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HomeMy WebLinkAbout211-107 Image Project Well History File Cover Page XHVZE This page identifies those items that were not scanned during the initial production scanning phase. They are available in the original file, may be scanned during a special rescan activity or are viewable by direct inspection of the file. cQ 1 I - 0 7 Well History File Identifier Organizing (done) ❑ Two-sided ❑ Rescan Needed RES N: OVERSIZED: NOTES: C for Items: ❑ Maps: Grayscale Items: ogs: OPoor Quality Originals: Other: ❑ Other: BY: MEP Date: /s/ 6/1 P Project Proofing BY: Maria Date: g17/18.1_ /s/ W P Scanning Preparation x 30 = lob + =TOTAL PAGES (Count does not include cover sheet) BY: 4210Date: g/7//9. Production Scanning Stage 1 Page Count from Scanned File: 6 S(Count does include cover et) Page Count Matches Number in ScanniPre aration: 1" YES NO g BY: Date: / /s/ ft Stage 1 If NO in stage 1, page(s)discrepancies were found: YES NO BY: Maria Date: /s/ Stage 2 Additional Well Reports: YES NO TOTAL PAGES: Digital version appended by: Meredith Michal Date: /s/ Final Page Count: Stage 1 + Stage 2: TOTAL PAGES: Scanning is complete at this point unless rescanning is required. ReScanned BY: Maria Date: /s/ Comments about this file: Quality Checked 7/8/2014 Well History File Cover Page_20140708.doc r 1 o 2 Q a O) CO N_ L o f0 Tr z 0 D 3 N = co co a) N J U O 5 w N U • ao) o. c a C� U o to y E oL o0 a 2 _ N 2 z o o V Oct OU 2 2 1 coF. a m O O > N N N N N a .d J ` N 0) N N N N N O 9 5 O) - N n- A. e- •c- --1 .N- O Z — J N M M M M C O - a) a) a) a) .2 N O7 N O V O U O O O 0 IX g `° 2 coO- u u u u LO OZ• 5 m $ 0 0 0 0 0 d z o (P .....E W W NNz ce0 -2 0) � Coa°Oo COCOU) co O. y °� C. : : :W • JU oZ mLV7O 7J °• U o a) c T E G Om cr) co ZI J2 U U U n 0 G5 NLc) L0 /O/ � d O V N lD N 1 VM U c�0 J N cn J J Q` N r = p Z N R G Q N W COco C o a> .3 i etro o _ Q cG o a •7 c a 2 T T 4. • E T el olo Z 7 To iih Ce di C Q Z O d y Nco ! E O�� T is O J r a d Lo w H 0 j m N 2 0 0 y W O Z j N a) O VV} 0 O Z E EE E • Z O m LLy O rn_ Q J z Q -o `o G O u c , w z ai cM O ` a) N D m u. to .co ea) 2 U O1 ++ z W O — J U y - Q a) UO= co t E E d QG Tr, .13, a 01 m 01 — O O O r) O c O O a. W O -Io � w w J J J H 3 a 3 0 <IY 0 0 IP/ au l t • Letter of Transmittal FARE BAKER Date: February 21, 2012 HUGHES To: From: State of Alaska AOGCC Baker Hughes INTEQ 333 W. 7th Ave., Suite 100 795 East 94th Avenue Anchorage, Alaska 99501 Anchorage, Alaska 99515 Bill Michaelson Please find enclosed the directional survey data for the following well(s): U-12AL1 2_A\--\01 M-17AL1PB1 M-17AL1 7-A' RECEIVED P-01 APB 1 P-01 APB 2 P-01 APB 3 P-01 A 2\\-\\G 06-12B 06-12BL1 Z�\-\\5 2\1-��� FEB 2 3 2012 W-21AL1 W-21AL1-01 \Act oji 2.\ 3 AOGCC 2.11-tt 2._\\_ i 32 Enclosed for each well(s): 2 hardcopy prints of directional survey reports 1 compact disk containing electronic survey files Please sign and return one copy of this transmittal form to: BP Exploration (Alaska) Inc. Petrotechnical Data Center, LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 SCANI4ED MAR U e 20118 to acknowledge receipt of this data. RECEIVED BY: MiLifl , State of Alaska AOGCC DATE: 3[612, • • , ... 07- BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB U Pad U-12 5002921409( U-12AL1 Survey: MWD Survey Report - Geographic 28 November, 2011 ry�I • • BAKER NUGNES Survey Report- Geographic 0 by INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well U-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB U Pad MD Reference: U-12A @ 76.53ft(Nabors 7ES) Well: U-12 North Reference: True Wellbore: U-12AL1 Survey Calculation Method: Minimum Curvature Design: U-12AL1 Database: EDM .16-ANC Prod-WH24P Survey Measured TVD Below Map Map Depth Inclination Azimuth System +N/-S +El-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 10,846.05 51.20 329.61 8,683.61 4,161.50 -3,022.52 5,965,146.54 628,623.24 70° 18'46.794 N 148°57'27.338 W TIP 10,868.50 51.07 329.09 8,697.70 4,176.54 -3,031.43 5,965,161.42 628,614.07 70° 18'46.942 N 148°57'27.598 W KOP 10,870.00 50.83 329.31 8,698.64 4,177.54 -3,032.03 5,965,162.41 628,613.45 70° 18'46.951 N 148°57'27.615 W 10,900.05 46.18 333.98 8,718.55 4,197.31 -3,042.74 5,965,182.00 628,602.40 70° 18'47.146 N 148°57'27.928 W 10,930.15 44.46 339.46 8,739.72 4,216.95 -3,051.20 5,965,201.48 628,593.59 70° 18'47.339 N 148°57'28.175 W 10,962.07 49.92 351.25 8,761.45 4,239.55 -3,057.00 5,965,223.97 628,587.40 70° 18'47.561 N 148°57'28.344 W 10,990.25 54.94 358.29 8,778.64 4,261.76 -3,058.99 5,965,246.15 628,585.02 70° 18'47.780 N 148°57'28.403 W 11,020.57 62.33 2.88 8,794.41 4,287.62 -3,058.68 5,965,272.01 628,584.88 70° 18'48.034 N 148°57'28.394 W 11,050.97 69.23 5.38 8,806.88 4,315.25 -3,056.67 5,965,299.67 628,586.40 70° 18'48.306 N 148°57'28.336 W 11,080.29 76.05 5.70 8,815.62 4,343.09 -3,053.97 5,965,327.54 628,588.61 70° 18'48.579 N 148°57'28.257 W 11,110.27 83.75 8.24 8,820.88 4,372.36 -3,050.38 5,965,356.87 628,591.69 70° 18'48.867 N 148°57'28.153 W 11,140.13 90.28 13.81 8,822.43 4,401.60 -3,044.68 5,965,386.21 628,596.87 70° 18'49.155 N 148°57'27.987 W 11,170.47 93.26 21.49 8,821.49 4,430.48 -3,035.49 5,965,415.23 628,605.55 70° 18'49.439 N 148°57'27.719 W 11,201.85 93.23 30.60 8,819.71 4,458.60 -3,021.75 5,965,443.59 628,618.80 70° 18'49.716 N 148°57'27.319 W 11,230.23 94.03 38.43 8,817.91 4,481.92 -3,005.72 5,965,467.18 628,634.42 70° 18'49.945 N 148°57'26.851 W 11,260.55 94.43 46.45 8,815.67 4,504.21 -2,985.33 5,965,489.83 628,654.41 70° 18'50.164 N 148°57'26.257 W 11,291.67 94.82 55.88 8,813.16 4,523.64 -2,961.20 5,965,509.68 628,678.20 70° 18'50.356 N 148°57'25.553 W 11,320.57 93.90 64.80 8,810.96 4,537.89 -2,936.18 5,965,524.36 628,702.96 70° 18'50.496 N 148°57'24.823 W 11,350.47 95.38 74.06 8,808.53 4,548.35 -2,908.31 5,965,535.31 628,730.64 70° 18'50.599 N 148°57'24.010 W 11,380.65 94.09 81.34 8,806.04 4,554.75 -2,878.94 5,965,542.22 628,759.89 70° 18'50.662 N 148°57'23.154 W 11,410.43 93.32 91.09 8,804.11 4,556.71 -2,849.33 5,965,544.70 628,789.46 70° 18'50.681 N 148°57'22.290 W 11,440.61 93.41 100.39 8,802.34 4,553.70 -2,819.38 5,965,542.21 628,819.45 70° 18'50.652 N 148°57'21.416 W 11,470.61 94.08 109.94 8,800.37 4,545.88 -2,790.52 5,965,534.90 628,848.44 70° 18'50.575 N 148°57'20.574 W 11,500.47 93.63 119.42 8,798.36 4,533.45 -2,763.49 5,965,522.95 628,875.69 70° 18'50.453 N 148°57' 19.785 W 11,525.25 94.73 127.58 8,796.55 4,519.82 -2,742.89 5,965,509.69 628,896.52 70° 18'50.319 N 148°57'19.184 W 11,557.53 94.52 136.19 8,793.94 4,498.36 -2,718.96 5,965,488.65 628,920.82 70° 18'50.108 N 148°57'18.486 W 11,584.99 92.70 139.13 8,792.21 4,478.11 -2,700.51 5,965,468.72 628,939.63 70° 18'49.909 N 148°57' 17.947 W 11,614.65 89.94 146.24 8,791.53 4,454.54 -2,682.55 5,965,445.48 628,958.00 70° 18'49.677 N 148°57'17.423 W 11,649.89 90.31 150.16 8,791.45 4,424.60 -2,663.98 5,965,415.87 628,977.08 70° 18'49.383 N 148°57'16.881 W 11,674.95 90.92 154.89 8,791.18 4,402.37 -2,652.42 5,965,393.85 628,989.03 70° 18'49.164 N 148°57'16.544 W 11,711.31 91.69 160.45 8,790.35 4,368.76 -2,638.62 5,965,360.49 629,003.42 70° 18'48.833 N 148°57' 16.141 W 11,750.71 91.26 166.43 8,789.34 4,331.02 -2,627.40 5,965,322.96 629,015.30 70° 18'48.462 N 148°57'15.813 W 11,790.13 91.38 159.70 8,788.43 4,293.34 -2,615.92 5,965,285.49 629,027.43 70° 18'48.092 N 148°57'15.478 W 11,815.67 91.91 155.06 8,787.70 4,269.78 -2,606.11 5,965,262.11 629,037.66 70° 18'47.860 N 148°57'15.191 W 11,845.17 92.03 150.51 8,786.68 4,243.57 -2,592.63 5,965,236.14 629,051.59 70° 18'47.602 N 148°57'14.798 W 11,877.35 90.49 146.08 8,785.97 4,216.21 -2,575.72 5,965,209.08 629,068.97 70° 18'47.333 N 148°57' 14.304 W 11,905.09 89.51 141.45 8,785.97 4,193.84 -2,559.33 5,965,187.00 629,085.75 70° 18'47.113 N 148°57'13.826 W 11,938.63 89.63 137.04 8,786.23 4,168.44 -2,537.44 5,965,161.99 629,108.08 70° 18'46.864 N 148°57'13.187 W 11,970.27 89.48 132.01 8,786.47 4,146.26 -2,514.89 5,965,140.21 629,131.01 70° 18'46.646 N 148°57' 12.529 W 12,000.15 89.60 127.53 8,786.71 4,127.15 -2,491.93 5,965,121.51 629,154.30 70° 18'46.458 N 148°57' 11.859 W 12,030.31 90.25 122.88 8,786.75 4,109.77 -2,467.30 5,965,104.56 629,179.24 70° 18'46.287 N 148°57'11.140 W 12,060.19 90.46 118.49 8,786.57 4,094.53 -2,441.61 5,965,089.77 629,205.19 70° 18'46.137 N 148°57'10.391 W 12,090.25 90.74 120.40 8,786.25 4,079.75 -2,415.43 5,965,075.46 629,231.62 70° 18'45.992 N 148°57'9.627 W 12,120.19 90.28 125.49 8,785.98 4,063.47 -2,390.32 5,965,059.63 629,257.01 70° 18'45.832 N 148°57'8.894 W 12,150.15 90.77 130.71 8,785.71 4,045.00 -2,366.75 5,965,041.56 629,280.90 70° 18'45.650 N 148°57'8.207 W 12,180.17 91.01 135.28 8,785.24 4,024.53 -2,344.80 5,965,021.49 629,303.20 70° 18'45.449 N 148°57'7.566 W 12,210.29 91.26 140.38 8,784.65 4,002.22 -2,324.59 5,964,999.54 629,323.80 70° 18'45.230 N 148°57'6.977 W 12,250.43 90.89 146.55 8,783.89 3,969.99 -2,300.71 5,964,967.73 629,348.24 70° 18'44.913 N 148°57'6.280 W 12,280.39 89.91 152.87 8,783.68 3,944.13 -2,285.61 5,964,942.15 629,363.79 70° 18'44.658 N 148°57'5.839 W 12,310.43 90.34 156.96 8,783.62 3,916.93 -2,272.87 5,964,915.18 629,377.00 70° 18'44.391 N 148°57'5.467 W 12,340.45 90.15 161.41 8,783.49 3,888.88 -2,262.21 5,964,887.32 629,388.15 70° 18'44.115 N 148°57'5.156 W 12,370.23 89.69 165.70 8,783.53 3,860.32 -2,253.78 5,964,858.92 629,397.08 70° 18'43.834 N 148°57'4.910 W 12,400.29 89.97 170.27 8,783.62 3,830.93 -2,247.52 5,964,829.64 629,403.85 70° 18'43.545 N 148°57'4.727 W 11/28/2011 1:14:38PM Page 3 COMPASS 2003.16 Build 73 MEW • a ' BAKER • HUGHES Survey Report - Geographic 0 - bp Jo INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well U-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB U Pad MD Reference: U-12A @ 76.53ft(Nabors 7ES) Well: U-12 North Reference: True Wellbore: U-12AL1 Survey Calculation Method: Minimum Curvature Design: U-12AL1 Database: EDM .16-ANC Prod-WH24P Survey Measured TVD Below Map Map Depth Inclination Azimuth System +N/-5 +E/-W Northing Easting (ft) (°) (0) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 12,430.09 89.63 174.49 8,783.72 3,801.40 -2,243.57 5,964,800.19 629,408.31 70° 18'43.255 N 148°57'4.611 W 12,460.45 89.66 177.70 8,783.91 3,771.12 -2,241.51 5,964,769.94 629,410.91 70° 18'42.957 N 148°57'4.551 W 12,493.55 88.86 173.17 8,784.34 3,738.13 -2,238.87 5,964,737.01 629,414.12 70° 18'42.633 N 148°57'4.474 W 12,526.07 87.35 168.92 8,785.42 3,706.03 -2,233.82 5,964,705.01 629,419.74 70° 18'42.317 N 148°57'4.326 W 12,550.53 84.69 166.05 8,787.11 3,682.22 -2,228.53 5,964,681.29 629,425.44 70° 18'42.083 N 148°57'4.172 W 12,581.81 79.68 165.25 8,791.37 3,652.20 -2,220.85 5,964,651.42 629,433.64 70° 18'41.788 N 148°57'3.947 W 12,610.57 77.17 161.61 8,797.14 3,625.21 -2,212.82 5,964,624.57 629,442.15 70° 18'41.522 N 148°57'3.713 W 12,640.55 76.28 156.11 8,804.03 3,598.00 -2,202.31 5,964,597.56 629,453.14 70° 18'41.254 N 148°57'3.406 W 12,670.57 75.77 151.46 8,811.28 3,571.87 -2,189.44 5,964,571.66 629,466.45 70° 18'40.998 N 148°57'3.031 W 12,703.27 74.19 144.61 8,819.76 3,545.09 -2,172.74 5,964,545.18 629,483.62 70° 18'40.734 N 148°57'2.543 W 12,738.71 73.56 139.03 8,829.61 3,518.34 -2,151.71 5,964,518.81 629,505.12 70° 18'40.471 N 148°57'1.929 W 12,770.21 76.28 135.79 8,837.81 3,495.96 -2,131.13 5,964,496.79 629,526.09 70° 18'40.251 N 148°57' 1.329 W 12,800.28 79.70 134.59 8,844.07 3,475.10 -2,110.40 5,964,476.30 629,547.18 70° 18'40.046 N 148°57'0.724 W 12,830.48 82.77 136.70 8,848.67 3,453.76 -2,089.54 5,964,455.33 629,568.41 70° 18'39.836 N 148°57'0.115 W 12,860.28 85.03 139.47 8,851.84 3,431.71 -2,069.75 5,964,433.63 629,588.58 70° 18'39.619 N 148°56'59.538 W 12,900.30 87.39 144.23 8,854.48 3,400.32 -2,045.09 5,964,402.68 629,613.78 70° 18'39.311 N 148°56'58.819 W 12,931.56 89.72 145.97 8,855.27 3,374.69 -2,027.22 5,964,377.37 629,632.10 70° 18'39.059 N 148°56'58.297 W 12,959.94 90.28 149.94 8,855.27 3,350.64 -2,012.16 5,964,353.59 629,647.57 70° 18'38.822 N 148°56'57.858 W 12,990.38 90.80 152.57 8,854.98 3,323.96 -1,997.52 5,964,327.17 629,662.68 70° 18'38.560 N 148°56'57.430 W 13,010.34 90.21 155.10 8,854.81 3,306.04 -1,988.72 5,964,309.41 629,671.79 70° 18'38.384 N 148°56'57.174 W 13,057.00 90.21 155.10 8,854.64 3,263.72 -1,969.08 5,964,267.44 629,692.17 70° 18'37.968 N 148°56'56.600 W TD 11/28/2011 1:14:38PM Page 4 COMPASS 2003.16 Build 73 McMains, Stephen E (DOA) From: Hubble, Terrie L [Terrie.Hubble@bp.com] ?Ds .A jL OSent: Monday, January 16, 2012 4:47 PMl To: McMains, Stephen E (DOA) Subject: PBU U-12AL1 / PTD#211-107 Hi Steve, Please reference the following well: Well Name: PBU U-12AL1 (PBU U-12A) Permit* 211-107 ""� (204-147) API #: 50-029-21409-60-00 (50-029-21409-01-00) Date of Test: • 01/12/12 Type of Test: ' IPT(Initial Production Test) Choke Size: '95 Choke Unit: "Degrees Production Method: '-Gas Lifted Duration (Hours Tested): •12 Top Reference (Top Perf MD): 12,461' Bottom Reference (Bottom Perf MD): 13,036' Tubing Flowing (Pressure): 250 Casing Pressure: 1,820 Total Test(Rate f/0, W, G): 1,072 1,296 552 24-Hour Rate (0, W, G): 2,143 2,592 1,103 Gravity (Oil, API): 24.6 GOR (Gas-Oil Ratio): 515 This well began Production on January 11, 2012 Method of Operations on this date: Gas Lifted 1 C IVSD STATE OF ALASKA '-)t': 2 9 2011 ALASKA OIL AND GAS CONSERVATION COMMISSION ';ons-commission , WELL COMPLETION OR RECOMPLETION REPORT AND LO6lIcnorage 1 a. Well Status: ® Oil 0 Gas 0 SPLUG 0 Other 0 Abandoned 0 Suspended lb. Well Class: 2OAAC 25.105 20AAC 25.110 ® Development - 0 Exploratory 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 Other No.of Completions One 0 Service 0 Stratigraphic 2. Operator Name: 5.Date Comp.,Susp.,or Aband.: 12. Permit to Drill Number: BP Exploration(Alaska) Inc. 12/7/2011 • 211-107 - 3. Address: 6.Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 11/23/2011 50-029-21409-60-00 - 4a. Location of Well(Governmental Section): 7.Date T.D.Reached: 14. Well Name and Number: Surface: 11/27/2011 ' PBU U-12AL1 • 463'FSL, 2276'FEL, SEC. 18,T11 N, R13E, UM - Top of Productive Horizon: 8. KB(ft above MSL): 76.53' - 15.Field/Pool(s): 4727'FSL, 387'FEL, SEC. 13,T11 N, R12E, UM GL(ft above MSL): 46.97' . Prudhoe Bay/Prudhoe Bay Total Depth: 9.Plug Back Depth(MD+TVD): 3727'FSL,4231' FEL, SEC. 18,T11 N, R13E, UM 13057' 8931' 4b. Location of Well(State Base Plane Coordinates,NAD 27): 10.Total Depth(MD+TVD): 16. Property Designation: Surface: x- 631718 ' y- 5961039 • Zone- ASP4 13057' ' 8931' ' ADL 028283.8,047451 TPI: x- 628587 y- 5965249 Zone- ASP4 11.SSSV Depth(MD+TVD): 17. Land Use Permit: Total Depth:x- 629694 Y- 5964268 Zone- ASP4 None 18. Directional Survey: ® Yes 0 No 19.Water depth,if offshore: 20. Thickness of Permafrost(TVD): (Submit electronic and printed information per 20 AAC 25.050) N/A ft MSL 1900'(Approx.) 21.Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071): 22. Re-Drill/Lateral Top Window MD/TVD: MWD DIR, GR, RES 10872' 8776' 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH TVD HOLE AMOUNT CASING WT.PER FT. GRADE Top BOTTOM ToP BOTTOM SIZE CEMENTING RECORD PULLED 20"x 30" Insulated Conductor Surface 110' Surface 110' 36" 8 cu vds Concrete 13-3/8" 72# L-80 Surface 2674' Surface 2674' 17-1/2" 3719 cu ft Coldset III&II 9-5/8" 47# L-80 Surface 9869' Surface 8126' 12-1/4" 2056 cu ft Class'G'.230 cu ft Class'G' 7" 26# L-80 2829' 10815' 2028' 8741' 8-1/2" 191 cu ft Class'G'. 1034 cu ft Class'G' 4-1/2" 12.6# L-80 10623' 10872' 8618' 6-1/8" 556 cu ft Class'G' 2-3/8" 4.7# L-80 10904' 13057' 8798' Q931' 3" Uncemented Slotted Liner 24. Open to production or injection? ®Yes 0 No 25. TUBING RECORD If Yes,list each interval open SIZE DEPTH SET(MD) PACKER SET(MD/TVD) (MD+TVD of Top&Bottom;Perforation Size and Number): 2-3/8"Slotted Section 3-1/2",9.2#, 13Cr80 10625' 10564'/8580' MD ND MD TVD 12461'-13036' 8860'-8931' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED p 2500' Freeze Protected w/30 Bbls of Diesel • .o '`t• j r a 27. PRODUCTION TEST Date First Production: Method of Operation(Flowing,Gas Lift,etc.): Not on Production Yet N/A Date of Test: Hours Tested: Production For OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: Test Period Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 24-Hour Rate 28. CORE DATA Conventional Core(s)Acquired? 0 Yes ®No Sidewall Core(s)Acquired? 0 Yes ®No If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize lithology and presence of oil,gas or water (submit separate sheets with this form,if needed). Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 AAC 250.071. None lk w RBDMS DEC 3 01011 V'- N t•- Form 10-407 Revised 12/2009 CONTINUED ON REVERSE .o...,147'�ubmit Original Only G 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME MD ND Well Tested? 0 Yes ®No Permafrost Top If yes,list intervals and formations tested,briefly summarizing test Permafrost Base results. Attach separate sheets to this form,if needed,and submit detailed test information per 20 AAC 25.071. Sadlerochit/Zone 4B 10993' 8857' None Formation at Total Depth(Name): Sadlerochit/Zone 4B 10993' 8857' 31.List of Attachments: Summary of Daily Drilling Reports,Well Schematic Diagram,Surveys 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed: Terrie Hubble /if 4? ,0/f. Title: Drilling Technologist Date: PBU U-12AL1 211-107 Prepared By Name/Number Terrie Hubble, 564-4628 Well Number Permit No./Approval No. Drilling Engineer: Matt Ross,564-5782 INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item 1 a: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval). Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and ND for the top and base of permafrost in Box 28. Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27: Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: Provide a listing of intervals cored and the corresponding formations,and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. Item 30: Provide a listing of intervals tested and the corresponding formation,and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 12/2009 Submit Original Only U-12A, Well History (Pre Rig Add Multilateral) Date Summary 10/03/11 WELL FLOWING ON ARRIVAL. SET 3 1/2"WHIDDON @ 10606' SLM. 10/04/11 PULLED RK-OGLV FROM STA#1 C© 10480' SLM(10482' MD), PULLED RK-LGLV FROM STA#2 8540' SLM(8541' MD). PULLED RK-LGLV FROM STA#3 © 6095' SLM(6100' MD), PULLED RK-LGLV FROM STA#4 C© 3175' SLM (3190' MD). SET RK-DGLV'S IN STA'S 4,3,&2 . 10/05/11 T/I/0=1650/1600/180 Temp=Sl Assist Slickline, MIT-IA PASSED to 3000 psi. (Eval for CTD) Freeze Protect- Pumped 5 bbls neat and 45 bbls crude down Tbg. Pumped 5 bbls neat followed by 21 bbls of crude into flowline. Standby for Slickline to arrive. Loaded IA with 417 bbls of crude. Slickline set DGLV in station#1. Pumped down IA with 8.7 bbls of crude to reach test pressure for MIT-IA. IA lost 58 psi in the 1st 15 min and 25 psi in the 2nd 15 min for a total pressure loss of 83 psi in a 30 min test. Bled back 6 bbls. FWHP=1550/540/280. 10/06/11 T/I/0=1615/269/205 Temp=Sl MIT-OA PASSED to 2000 psi. (Eval for CTD) Pumped into the OA with 4.7 bbls crude to reach test pressure for MIT-OA. OA lost 59 psi in the 1st 15 min and 28 psi in the 2nd 15 min for a total pressure loss of 87 psi in 30 min test. Bled OA back to 230 psi. Rig down, PT OA flange. Swab closed,Wing closed, SSV closed, Master open.Annulus valves open to gauges. FIA/1-1P,-,1 R1 a./Inn/9Rn 10/19/11 T/I/O= 1600/0/200 Conducted PJSM; Perofrmed leak rate test on SN(barrier); Installed lubricator&P.T. (charted)to 300 psi/3500 psi; P.T. down on SN(charted)to 1900 psi/5000 psi (passed);Set 4"CIW TWC#279 C© 114"w/1-1' ext.;Torqued tree to to specifications (see log); P.T. (shell test)tree(charted) to 1900 psi/4950 psi (passed); Pulled 4"CIW TWC; Pre Nordic 1 10/21/11 WELL SHUT-IN UPON ARRIVAL. INITIAL T/1/O= 1400/0/250 PSI. ARRIVE, SPOT EQUIPMENT, HOLD • PJSM, RIG UP. STAB ON AND BEGIN FILLING LUBE WITH DIESEL FOR PRESSURE TEST. FINAL T/I/O= 1400/0/250 PSI . 10/22/11 INITIAL T/I/O= 1400/0/250 PSI. RIH W/BAKER 3.5"X 4.5" GENERATION II TT WHIPSTOCK. PERFORM CCL/GR LOG FROM 10950'-10405'. SET BAKER WHIPSTOCK TOP © 10870'. © 152 DEG ORIENTATION. FINAL T/I/O= 1590/0/100 PSI. JOB COMPLETE. NOTIFY DSO. LEAVE LOCATION. 10/24/11 T/1/O=BPV/0/0 Temp=SI PPPOT-T(FAIL) (Eval barrier) PPPOT-T: RU 1 HP BT onto THA test void 1300 psi bled to 0 psi. CIW TRP pressured against TWC to 5000 psi for 15 min test, 5000/15 min,with no increase on test void. Bled tree to 0 psi. attempted to conduct PPPOT-T to 5000 psi,pressure bled to 1500 psi as soon as pump shut in and continued dropping. PPPOT-T conducted on 09/23/11 Failed. Primary seal leakes when W/H is cold. Secondary seal which is a(DX) metal to metal seal is the only barrier. 10/24/11 T/I/O= 1600/0/200 Conducted PJSM; Performed leak rate(barrier)test on SN; Installed lubricator, P.T (charted)to 300 psi/3500 psi; Set 4"CIW TWC#257 © 114"w/1-2'ext; Pre pack-off test. 10/27/11 T/I/O=TWC/0/200( PULL TWC)Verified barriers. Rigged up CIW lubricator with 4"pulling tool.Tested lubricator to 300 psi for 5 min.(PASS)Then 3500 psi 5 min.(PASS) Ran down and tagged at 120". Pulled TWC#257. Rigged down lubricator and installed tree cap.Tested tree cap to 500 psi.(PASS) 11/10/11 T/I/O= 1540/200/200.Temp=SI. Bleed OA to 0 psi. (Pre CTD).Wellhouse and flowline have been removed, Drilling scaffold in place. IA FL near surface.OA FL near surface. Bled OAP from 200 psi to 30 psi in 4 hrs(FTS). Monitored for 30 min. OAP increased 30 psi.Job incomplete. Final WHPs= 1540/200/60. 11/11/11 T/l/O= 1560/180/90.Temp=SI. Bleed IA&OA to 0 psi (Pre CTD).Wellhouse and flowline removed, Drilling scaffold in place. IA FL near surface.OA FL (4) surface. Bled IAP from 180 psi to 0 psi in 1 hr. Bled OAP from 90 psi to 0 psi in 5 hrs. Monitor for 30 min. IAP remained at 0 psi. OAP increased 12 psi in 30 min. Final WHPs= 1560/0/12.Job complete. Page 1 of 2 U-12A, Well History (Pre Rig Add Multilateral) Date Summary 11/12/11 T/1/O= 1560/0+/40.Temp=SI.WHPs(Post bleed). No AL.Well house and flowline removed. IAP unchanged,OAP increased 28 psi since last night. 11/13/11 T/I/0= 1560/20/60.Temp=SI. Bleed IA&OA to 0 psi (Pre CTD). No AL.Well house and flowline have been removed. IA FL near surface.OA FL @ surface. IAP increased 20 psi,OAP increased 20 psi overnight. Bled IAP to 0 psi in 2 hrs. Bled OAP to 0 psi in 1.5 hrs(gas/fluid-5 gal). Monitor 30 min. IA& OA unchanged. Final WHPs= 1560/0+/0+. 11/19/11 T/I/O=Vac/50/90.Temp SI. Bleed WHPs to-0 psi. (pre CTD).Well house and flowline have been removed. IA FL near surface.OA FL @ surface. Bled IAP to 0 psi in 20 min (gas,fluid). Bled OAP to 0+ psi in 20 min (gas,fluid). Monitor 30 min, IAP&OAP unchanged. Final WHPs=Vac/0/0+. 11/19/11 T/I/0=1600/200/100 SI Load and Kill Tbg (Pre CTD) Pumped 5 bbls neat meth, 155 bbls 1%KCI and a 19 bbl diesel freeze protect down the Tbg. DHD on location to bleed IA&OAP at time of LRS departure. Tags hung. SV, &WV=SI. SSV, MV, IA&OA open. FW P's=0/20/100 11/19/11 T/I/O=0/120/0;Conduct PJSM;Test barriers to 3500 for 5 min. (passed); Remove tree cap and install lubricator w/setting tool and TWC#257;Test to 300 and 3500 psi for 5 min. (passed); Set 4-1/16'CIW "H"TWC thru tree for Nordic 1 pre rig; 1-1'ext. used,tagged @ 114";Test TWC to 300&3500 psi for 5 min. (passed&charted); RDMO; Install tree cap with new 0-ring and test to 500 psi for 5 min. (passed); ***Complete*** Page 2 of 2 North America -ALASKA- BP Page 1 of 42:: Operation Summary Report Common Well Name:U-12 1 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: IX3-010MW-C: (2,073,697.00) Project:Prudhoe Bay Site:PB U Pad Rig Name/No.:NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/20/2011 00:00 - 02:30 2.50 MOB P PRE WARM MOVING SYSTEM. PJSM ON MOVING RIG,ASSIGNING PERSONNEL. 02:30 - 07:00 4.50 MOB P PRE PULL OFF OF R-03B. BEGIN RIG MOVE TO U-12. RIG STAGED ON N-PAD 07:00 - 07:20 0.33 MOB P PRE TOOL PUSHER AND DRILLER DRIVING ROUTE FROM N TO U PAD BEFORE CONTINUING MOVE WITH DAY CREW 07:20 - 08:00 0.67 MOB P PRE RIG ON U-PAD,LINE UP RIG TO U-12 AND PREP TO MOVE RIG OVER WELL 08:00 - 08:30 0.50 MOB P PRE PJSM TO MOVE RIG 08:30 - 09:30 1.00 MOB P PRE MOVE RIG TO U-PAD VERIFY ZERO PRESSURES ON WELL TUBING WAS ON A VAC PRIOR TO SETTING TWC IA=0 PSI OA=0 PSI 09:30 - 11:00 1.50 MOB P ` PRE RIG ON U-PAD,LINE RIG UP TO WH 11:00 - 11:30 0.50 MOB P PRE HOLD PJSM TO SPOT RIG OVER WELL SURFACE AND ANTI-COLLISION ISSUES "LOTO" LOTO NEEDS TO BE AT THE WELLHEAD AND NOT THE MANIFOLD BUILDING,SOME WH FLOW LINES ARE TWINNED WITH OTHER WELLS AS IS N-11 U-01 -NO TREE OR FLOWLINE TO INSTALL LOCK ON WELL IS P&A U-02A-IS LOTO WITH PAD OP AND WSL LOCKS ON THE WING VALVE N-11 -IS LOTO WITH PAD OP AND WSL LOCKS ON THE WING VALVE 11:30 - 12:00 0.50 MOB P PRE SPOT RIG OVER WELL 12:00 - 13:00 1.00 MOB P PRE RIG SPOTTED,LEVEL RIG AND BUILD UP CELLAR FOR WALKING SURFACE 13:00 - 14:00 1.00 MOB P PRE SPOT SUPPORT EQUIPMENT AND RU TIGER TANK 14:00 - 14:20 0.33 MOB P PRE PJSM TO REMOVE TREE CAP AND NU BOPE 14:20 - 16:50 2.50 MOB P PRE REMOVE TREE CAP AND NU BOPE MU LUBRICATOR AND SECURE BOP STACK IN CELLAR 16:50 - 18:00 1.17 MOB P PRE INSTALL SPILL CONTAINMENT AROUND LUBRICATOR 18:00 - 18:10 0.17 MOB P PRE JEFF JONES WITH THE STATE HAS WAIVED WITNESSING OUR BOP TEST BED TRUCK TO MOVE CUTTINGS BOX IN PLACE WAS CALLED FOR AT 13:00 AND IS STILL NOT HERE. 18:10 - 18:30 0.33 MOB P PRE PERFORM RIG EVACUATION WITH DAY CREW. SIMULATE A METHANE GAS RELEASE WITH 1 MAN UNACCOUNTED FOR.TOOL PUSHER WAS THE MAN DOWN CREW MEMBERS REPORTED TO THE PRIMARY MUSTER AREA IN 2:34 Printed 12/27/2011 12.40:07PM North America-ALASKA- BP Page 2 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:30 - 23:30 5.00 MOB P PRE DRIVER WITH CUTTINGS BOX HAS CHECKED IN. WAS ORIGINALLY DISPATCHED TO WRONG DRILL SITE. SPOT CUTTINGS BOX AND HEATER, MAKE UP TO RIG. SCRATCH PAD TO BREAK UP ICE, PREP AREAS AROUND RIG TO MAKE LEVEL. SPOT AND RIG UP SATELLITE,WELDING SHACK, GERONIMO LINE,STAIRS,AND BULK FUEL TRAILER. RECORD BOP ELEVATIONS -SLB INVENTORYING MECHANICAL LIFTING REGISTRY 23:30 - 00:00 0.50 MOB P PRE MOBILIZE BOP TESTING EQUIPMENT. 11/21/2011 00:00 - 00:45 0.75 MOB P PRE CONDUCT H2S RIG EVACUATION DRILL WITH MAN MISSING. CREW RESPONSE TIME 2:48. AAR WITH CREW,RECORD SUGGESTIONS FOR IMPROVEMENTS. 00:45 - 02:00 1.25 BOPSUR P PRE LUBRICATE VALVES ON MUD CROSS, REMOVE CHECK VALVES FROM KILL LINE. 02:00 - 06:00 4.00 BOPSUR P PRE FUNCTION TEST RAMS FROM OPS CAB AND • FLOOR CONSOLE. BODY TEST ON TREE GOOD. CONDUCT DRAWDOWN TEST ON ACCUMULATOR:26 SECONDS TO REACH 200 PSI OVER PRE-CHARGE,1:40 TO REACH FINAL PRESSURE. CONTINUE WITH TESTING BOP. 06:00 - 11:00 5.00 BOPSUR P PRE CONTINUE TESTING BOPE 11:00 - 12:00 1.00 BOPSUR P PRE WATER LEAKING AROUND CONTAINMENT ON LUBRICATOR. PULL GRATING AND REWRAP CONTAINMENT VALVE CREW GETTING THEIR MEASUREMENTS TO PULL BPV AND FILLING OUT PAPERWORK 12:00 - 12:15 0.25 BOPSUR P PRE PJSM TO LINE UP FLUIDS AND FLOW THROUGH THE MGS 12:15 - 13:00 0.75 BOPSUR P PRE LINE UP TO FLOW THROUGH MGS 13:00 - 13:50 0.83 BOPSUR P PRE BOP TEST COMPLETED PJSM TO PULL TWC WO NORDIC LOADER TO BE BROUGHT BACK TO LOCATION FROM THE MAN CAMP,LIGHTS WERE BEING REPAIRED 13:50 - 14:15 0.42 BOPSUR P PRE LOAD LUBRICATOR ON RIG 14:15 - 14:40 0.42 BOPSUR P PRE NORDIC CREW CHANGE 14:40 - 14:50 0.17 BOPSUR P PRE PJSM TO PULL TWC WITH DAY CREW 14:50 - 16:30 1.67 BOPSUR P PRE PT TWC LUBRICATOR GOOD LOW AND HIGH PT PULL TWC WELLISONAVAC TWC RETREIVED LOAD OUT TWC LUBRICATOR 16:30 - 17:00 0.50 RIGU P PRE LINE UP TO DISPLACE PLACE 2 BBLS OF DIESEL WITH KCL 17:00 - 17:20 0.33 RIGU P PRE PJSM TO PT INNER REEL VALVE AND PACK-OFF 17:20 - 18:00 0.67 RIGU P PRE PU INJECTOR AND STAB ON WELL DISPLACE KCL OUT OF COIL Printed 12/27/2011 12:40:07PM North America-ALASKA- BP Page 3 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C:(2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:00 - 20:30 2.50 RIGU P PRE CREW CHANGE AND PJSM ON PRESSURE TESTING. PRESSURE TEST AGAINST PACK-OFFS, INNER REEL IRON AND VALVES TO 250/3500 PSI. 20:30 - 00:00 3.50 RIGU P PRE INSPECT COIL. FLAT SPOT—4'ABOVE CTC. CUT COIL AND REHEAD. PULL TEST TO 20K. GOOD TEST. RE-BOOT E-LINE. PRESSURE TEST COIL CONNECTOR. CONDUCT MEG TEST. MAKE UP UQC AND CONNECT E-LINE. PRESSURE TEST CHECK VALVES. -HAD TO BREAK CIRCULATION SEVERAL TIMES TO PREVENT FREEZE-UP 11/22/2011 00:00 - 00:30 0.50 RIGU P PRE TEST ON E-LINE FAILED. REPLACE FLOW SUB. RE-TEST E-LINE,GOOD. 00:30 - 01:15 0.75 BOPSUR P PRE PJSM ON BULLHEAD OPERATIONS. DOUBLE CHECK TO ENSURE CHECK VALVES ON KILL SIDE FUNCTION. CHECK LINES AND VALVES FOR LINE-UP. PRESSURE UP METHANOL AND KCL LINES. 01:15 - 02:30 1.25 BOPSUR P PRE BULLHEAD KILL WELL. PUMP SCHEDULE: -5 BBLS METHANOL -100 BBLS 120°KCL;TOOK 10 BBLS TO GET UP TO 3.5 BPM KILL RATE -135 BBLS 8.6 PPG KCL MUD AT 3.6 BPM -615-870 PSI CIRC PRESSURE, SHUT IN PRESSURE ROSE FROM 250-745 PSI AT 3.6 BPM -FINAL SHUT-IN PRESSURE 735 PSI -DOWN ON PUMPS,MONITOR WELL 02:30 - 03:00 0.50 BOPSUR P PRE TAKE ON REST OF MUD INTO PITS. PJSM ON MAKING UP MILLING BHA. 03:00 - 03:45 0.75 BOPSUR P PRE BRING ON PUMPS. LOSS RATE OF 40 BPH. CONTINUE TO PUMP ACROSS THE TOP TO KEEP HOLE FULL. MONITOR CIRCULATION • TO ENSURE STABLE LOSSES. PVT 191 BBLS, • 290 BBLS IN TRUCK ON LOCATION,SENT ANOTHER TRUCK TO BAROID FOR MUD. 03:45 - 04:30 0.75 STWHIP P WEXIT MAKE UP MILLING_BHA:2.74"MILL,2.74" STRING MILL,2-3/8"XTREME MOTOR,X0,2 JTS 2-1/16"CSH,XO, BLIND SUB,DGS, DPS, EDC, POWERCOMMS,WEAR SUB, LQC,UQC, CTC. MU TO INJECTOR,OPEN EDC, BRING ON PUMPS WHILE PRESSURE TESTING QTS. -RE-CALCULATE LOSS RATE,STILL AT—38 BPH 04:30 - 07:15 2.75 STWHIP P WEXIT RIH WITH MILLING BHA. 07:15 - 07:45 0.50 STWHIP P WEXIT TAG PINCH POINT AT 10,872'. PU,VERIFY. 07:45 - 09:45 2.00 STWHIP P WEXIT CIRC AT MIN RATE ABOVE WHIPSTOCK WHILE WAITING ON ORDERS FROM TOWN DUE TO PUMPING FLUID AWAY 09:45 - 12:00 2.25 STWHIP P WEXIT PUMP 180K LSRV HI-VIS PILL AGAINST SHUT-IN WELL. CHECK INJECTIVITY, PUMP AT 1 BPM,350 PSI SI PRESSURE. PUMP HI-VIS PILL INTO PERFS. Printed 12/27/2011 12:40:07PM North America -ALASKA- BP Page 4 of 12` Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C:(2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:00 - 18:00 6.00 STWHIP P WEXIT MILL AT 1 FPH. FREE SPIN 3050 PSI AT 1.5 BPM. -MILL AT 1.5 BPM,3120-3300 PSI FOR FIRST 3'. INITIAL WOB.37K, INCREASE TO 2.2K. -MILL AT 1.5 BPM,2810-2990 PSI FOR NEXT 3'. WOB INCREASED FROM 1.7K TO 3.1 K AT 4.3' INTO MILL OPERATION. LET WEIGHT MILL OFF. WOB DROPPED TO.5K AT 6'. 18:00 - 20:30 2.50 STWHIP P WEXIT CREW CHANGE,CONTINUE WITH MILLING. -MILL AT 1.5 BPM,2780-2800 PSI,.5-.7K WOB -EXIT WINDOW AT 8' INTO MILLING OPERATION -AVERAGE LOSSES 22 BPH 20:30 - 00:00 3.50 STWHIP P WEXIT MILLING INTO OPEN HOLE AT 1 FPH,1.5 BPM, 2700-2780 PSI,.6-1.0K WOB WHILE ALLOWING FOR WEIGHT TO MILL OF FOR EACH FOOT. -AVERAGE LOSSES 22 BPH 11/23/2011 00:00 - 02:00 2.00 STWHIP r P WEXIT MILLING OPERATIONS IN OPEN HOLE AT 2 FPH. 1.5 BPM,2500-2790 PSI,.9-1.2K WOB. -LOSSES INCREASED TO 27 BPH 02:00 - 04:00 2.00 STWHIP _P WEXIT REAMING OPERATIONS AT 1 FPH. 1.45 BPM IN,1.06 BPM OUT,2430 PSI, MW IN 8.5,MW OUT 8.6. -DOWN ON PUMPS,DRY DRIFT WINDOW. 04:00 - 04:15 0.25 STWHIP P WEXIT FLOW CHECK WELL. NO FLOW. 9 BPH STATIC LOSS RATE. OPEN EDC. 04:15 - 07:15 3.00 STWHIP P WEXIT POH WITH EDC AT 2 BPM. GEO CONFIRMED SAMPLE IS FROM SHUBLIK A FORMATION. FLOW CHECK WELL WITH BHA AT 200'. NO FLOW.ESTABLISH STATIC LOSS RATE OF 9-BPH. 07:15 - 08:30 1.25 STWHIP " P WEXIT HOLD PJSM ON LD WINDOW MILLING BHA. SET INJECTOR BACK AND ESTABLISH CIRCULATION THROUGH CIRC HOLE. LD DRILLING BHA. INSTALL NIGHT CAP AND COMMENCE FILLING WELL. GAUGE WINDOW MILLS- 2.73"NOGO ON MILL,2.72"NOGO ON STRING REAMER. NO ABNORMAL WEAR NOTED. CHECK TREE BOLTS-NONE LOOSE. 08:30 - 09:00 0.50 DRILL P PROD1 HOLD PJSM ON MU DRILLING BHA#1. MU DRILLING BHA#1 WITH 1.8-DEG AKO AND 2.7"X 3"HYCALOG BICENTER BIT. MU BHA TO COIL. IA/OA=20-PSI/85-PSI. 09:00 - 09:45 0.75 DRILL P PROD1 STAB INJECTOR ON WELL. OPEN EDC AND ESTABLISH CIRCULATION AT .7-BPM WITH 830-PSI. TEST QTS TO 500-PSI/3500-PSI FOR 5-MINUTES PER TEST. GOOD TESTS. 09:45 - 11:45 2.00 DRILL P PROD1 RIH WITH DRILLING BHA#1 TO 10,780' CIRCULATE AT.4-BPM WITH 680-PSI- DYNAMIC LOSS RATE=-15-BPH INITIALLY, INCREASING TO-20-BPH ON BOTTOM. 11:45 - 12:45 1.00 DRILL P PROD1 LOG CASED HOLE TIE IN PER GEO AT 2-FPM. APPLY-22'CORRECTION. CIRCULATE AT.48-BPM WITH 800-PSI. LOSS RATE AT 18-BPH. IA/OA=20-PSI/75-PSI. Printed 12/27/2011 12:40:07PM North America -ALASKA- BP Page 5 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C:(2,073,697.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:45 - 13:15 0.50 DRILL P PROD1 CLOSE EDC AND OBTAIN SPRS. CONTINUE TO LOG WHILE PUMPING AT .35-BPM WITH 750-PSI. LOSS RATE = 18-BPH. PASS THROUGH WINDOW WITHOUT ISSUE. 13:15 - 16:50 3.58 DRILL P PROD1 DRILL AHEAD FROM 10890'. F1 Ev PIN AT 1.60-BPM WITH 2620-PSI. ' DRILL AHEAD WITH 100-PSI TO 400-PSI MOTOR WORK AND 2-3.5K-LBS DHWOB. LOSS RATE AT 24-BPH. SEE STALLS AT 10,955'AND 10,971' IA/OA=20-PSI/70-PSI. 16:50 - 17:05 0.25 DRILL P PROD1 WIPER TRIP FROM 11,000'TO WINDOW. CIRCULATE AT 1.6-BPM WITH 2520-PSI. NO ISSUES NOTED. IA/OA=45-PSI/75-PSI 17:05 - 18:00 0.92 DRILL P PROD1 CONTINUE TO DRILL AHEAD FROM 11,000'TO 11,090' FREE SPIN AT 1.6-BPM WITH 2530-PSI. DRILL AHEAD FROM 250-400-PSI MOTORWORK AND 1 -3K-LBS DHWOB. ROP INCREASES TO 120-FPH AT 11,026' INDICATING THAT WE ARE IN Z4B. LOSS RATE STEADY AT 24-BPH. IN OA/ECD=50-PSI/75-PSI/9.7-PPG. 18:00 - 18:45 0.75 DRILL P PROD1 SHORT WIPER TRIP FROM 11,090'. CIC 18:45 - 21:00 2.25 DRILL P PROD1 DRILL AHEAD FROM 11,090'TO 11,140'WITH SEVERAL BHA WIPER TRIPS FREE SPIN 2570 PSI AT 1.6 BPM -IN RATE 1.5-1.6 BPM,OUT RATE 1.0-1.2 BPM, 2530-2670 PSI, MW IN 8.5 PPG,MW OUT 8.6 PPG, ECD 9.65-9.68 PPG -LOSS RATE AVERAGING 31 BPH -IA/OAPSI=60/82 -STICKY SPOT WITH 10K OVERPULL AT 11,122' -VERY LIGHT CUTTINGS ACROSS SHAKER, TROUBLE TRANSFERRING WEIGHT TO BIT -PUMP 34 BBL HI-VIS SWEEP IN PREPARATION FOR WIPER TRIP TO WINDOW 21:00 - 23:30 2.50 DRILL P PROD1 WIPER TRIP. CHASE HI-VIS PILL TO WINDOW. OPEN EDC. INCREASE RATE TO 2.5 BPM,3800 PSI. PULL UP HOLE TO 10,600' FOR BOTTOMS UP. 10%INCREASE IN CUTTINGS VOLUME ACROSS SHAKERS, PRIMARILY SAND. RUN BACK IN HOLE ADN TIE-IN AT 10,870'. +2 1/2'CORRECTION. CLOSE EDC. CONTINUE RIH TO BOTTOM. 54 BBLS LOST ON THE WIPER TRIP(-22 BPH AVERAGE) 23:30 - 00:00 0.50 DRILL P PROD1 DRILL AHEAD FROM 11,140'. FREE SPIN OF 2480 PSI AT 1.55 BPM. -1.55 BPM,2680 PSI,1.46K WOB,9.66 PPG ECD -18K OVERPULL AT 11,150'AND 7K OVERPULL AT 11,140' Printed 12/27/2011 12:40:07PM 7 °TaPage 6 of 12 � 1 a Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00©77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/24/2011 00:00 - 02:00 2.00 DRILL P PROD1 DRILL AHEAD FROM 11.140'. FREE SPIN OF 2480 PSI AT 1.55 BPM. -1.55 BPM,2410-2750 PSI,1.46-3.0K WOB, 9.66 PPG ECD -18K OVERPULL AT 11,150'AND 7K OVERPULL AT 11,140' -TROUBLE GETTING WEIGHT TO BIT. ADD NXS LUBE TO THE SYSTEM. SEE INCREASE IN COIL WEIGHT,WOB AND MOTOR WORK. -CONDUCT KICK WHILE DRILLING DRILL WITH MAN OFF LOCATION;EXCELLENT REACTION BY COIL OPERATOR AND NORDIC CREW -DIFFICULTY GETTING WEIGHT TO BIT. PUMP 20 BBL HI-VIS PILL,TIME TO EXIT WHEN READY TO CONDUCT WIPER TRIP. -AVG LOSSES 34 BPH 02:00 - 06:45 4.75 DRILL P PROD1 WIPER TRIP. PUMP HI-VIS PILL OUT BIT, BEGIN WIPER TO WINDOW CHASING PILL OUT OF HOLE. OPEN EDC AT WINDOW. INCREASE RATE TO 2.4 BPM,3450-3560 PSI. PULL UP TO 3500'TO CHASE UP CUTTINGS; SURVEYS SHOW HOLE ANGLE AT 40°ALL THE WAY UP TO 4000'. NO INCREASE ACROSS SHAKERS. -LOSSES PULLING UP HOLE FROM BOTTOM 27 BBLS(AVERAGE OF 13.5 BPH) -RUN BACK IN HOLE FROM 3500' 06:45 - 07:00 0.25 DRILL P PROD1 CLOSE EDC. ESTABLISH CIRCULATION AT.3-BPM WITH 860-PSI AND 12-BPH LOSS RATE. TIE IN TO RA TAG WITH+6'CORRECTION. 07:00 - 07:30 0.50 DRILL P PROD1 FINISH WIPER TRIP TO 11,223'. NO ISSUES NOTED ON WIPER TRIP. LOSS RATE SLOWLY INCREASES TO 36-BPH WHILE CIRCULATING AT 1.6-BPM. 07:30 - 09:15 1.75 DRILL P PROD1 DRILL AHEAD FROM 11,223'TO 11,350'. FREE SPIN AT 1.6-BPM WITH 2640-PSI. DRILL AHEAD WITH 1.5-3K-LBS DHWOB. INCREASE RATE TO 1.85-BPM. LOSS RATE= 30-BPH. MAKE BHA WIPER AT 11,246'AND OBTAIN SPRS. RESUME DRILLING AHEAD FROM 11,246'. FREE SPIN AT 1.9-BPM WITH 3330-PSI. LOSS RATE=33-BPH. DRILL AHEAD WITH 400-500-PSI MOTOR WORK AND 1 -2.5K-LBS DHWOB. MW IN=8.53-PPG. MW OUT=8.59-PPG. ECD =9.9-PPG. IA/OA=76-PSI/110-PSI. 09:15 - 09:45 0.50 DRILL P PROD1 WIPER TRIP FROM 11,350'. CIRCULATE AT 1.9-BPM WITH 3420-PSI. LOSS RATE=30-BPH. IA/OA=82-PSI/110-PSI. 09:45 - 11:30 1.75 DRILL P PROD1 _DRILL_AHEAD FROM 11,350' FREE SPIN AT 1.9-BPM WITH 3540-PSI. DRILL AHEAD WITH 250-400-PSI MOTOR WORK AND 700-2K-LBS DHWOB. BHA WIPER AT 11,420'. PUMP 18-BBL HI VIS SWEEP-SLIGHT INCREASE IN CUTTINGS UPON RETURN. Printed 12/27/2011 12:40:07PM North America -ALASKA- BP Page 7 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:30 - 12:10 0.67 DRILL P PROD1 WIPER TRIP FROM 11,500'. CIRCULATE AT 1.9-PBM WITH 3700-PSI. NO ISSUES NOTED ON TRIP. 12:10 - 12:45 0.58 DRILL P PROD1 DRILL AHF,AQ FROM 11.500'TO 11,550'TO TD BUILD SECTION. FREE SPIN AT 1.9-BPM WITH 3640-PSI. DRILL AHEAD WITH 250-400-PSI MOTOR WORK AND 1 -2K-LBS DHWOB. PUMP 18-BBL HI VIS SWEEP TO CHASE OOH. IA/OA=90-PSI/110-PSI. 12:45 - 13:30 0.75 DRILL P PROD1 POH FROM 11,550'. CHASE SWEEP AT 1.8-BPM WITH 3640-PSI. SEE SLIGHT MOTOR WORK AT 11,240'. WIPE ONE TIME TO CLEAN. DROP PUMPS TO MIN RATE AND PULL THROUGH WINDOW WITHOUT ISSUE. IA/OA=90-PSI/110-PSI. 13:30 - 16:30 3.00 DRILL P PROD1 OPEN EDC. FLOW CHECK WELL-NO FLOW. ESTABLISH CIRCULATION AT 2.4-BPM WITH 3700-PSI. LOSS RATE CONTINUES AT 30-BPH. POH WITH BUILD DRILLING BHA. FLOW CHECK WELL AT 200'. STATIC. IA/OA=85-PSI/110-PSI. 16:30 - 17:00 0.50 DRILL P PROD1 HOLD PJSM ON LD DRILLING BHA. UNSTAB INJECTOR AND SET BACK OVER CIRC HOLE. LD BHA. GRADE BIT 2:1 WITH A CHIPPED CUTTER. IA/OA=95-PSI/115-PSI. 17:00 - 18:00 1.00 DRILL -- P PROD1 ADJUSTAKOTO1.1-DEG. MU LATERAL DRILLING BHA. PU INJECTOR AND MU COIL TO BHA. 18:00 - 18:15 0.25 DRILL P' PROD1 STAB INJECTOR ON WELL. TEST QTS TO 250-PSI/3500-PSI. 5-MIN PER TEST. 18:15 - 20:45 2.50 DRILL P PROD1 RIH WITH LATERAL BHA. CONDUCT KICK WHILE TRIPPING DRILL WHILE RUNNING IN HOLE. VERY GOOD RESPONSE BY CTD OPERATOR AND NORDIC CREW. AAR. LOG TIE-IN TO RA TAG WITH-21'CORRECTION. 20:45 - 22:00 1.25 DRILL P PROD1 CONTINUE RIH TO BOTTOM. TOTAL LOSSES ON TRIP TO BOTTOM 73 BBLS,—19 BPH. 22:00 - 00:00 2.00 DRILL P PROD1 OBTAIN AND RECORD SLOW PUMP RATES. FREE SPIN 3480 PSI AT 1.9 BPM. DRILL AHEAD FROM 11,550'. -1.83-1.86 BPM IN,1.27-1.37 BPM OUT, 3730-3760 PSI,MW IN AND OUT 8.56, 1.17-1.75K WOB,10.13-10.23 PPG ECD -MADE SEVERAL BHA WIPER TRIPS TO HELP WITH WOB -RETURNS SHOW AVERAGE HOLE CLEANING TAKING PLACE WITH CUTTINGS ACROSS SHAKER -39 BPH LOSSES WHILE DRILLING AT 1.8 BPM 11/25/2011 00:00 - 01:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW AT FULL RATE. RUN IN HOLE BACK TO BOTTOM WITH CORRECT TOOLFACE. 77 BBLS LOST DURING WIPER TRIP. Printed 12/27/2011 12:40:07PM North America-ALASKA- BP Page 8 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C:(2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00©77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:00 - 02:30 1.50 DRILL P PROD1 FREE SPIN 3600 PSI AT 1.87 BPM. DRILL AHEAD FROM 11,700'. -1.79-1.87 BPM IN,1.30-1.36 BPM OUT, 3700-4080 PSI,MW IN 8.56 PPG,MW OUT 8.62 PPG,.98-1.72K WOB,10.13-10.42 PPG ECD -MADE SEVERAL BHA WIPER TRIPS TO HELP WITH WOB -RETURNS SHOW AVERAGE HOLE CLEANING TAKING PLACE WITH SOME INCREASE IN CUTTINGS ACROSS SHAKER -39 BPH LOSSES WHILE DRILLING AT 1.8 BPM -PUMP 15 BBL HI-VIS PILL TO EXIT BIT AND CHASE UP HOLE ON WIPER TRIP 02:30 - 04:30 2.00 DRILL P PROD1 WIPER TRIP TO WINDOW AT FULL RATE. OPEN EDC INSIDE OF WINDOW,RIH AND PULL BACK UP TO WASH ACROSS WHIPSTOCK TRAY TOP. SWEEP BROUGHT BACK-25%INCREASE IN CUTTINGS. RECIPROCATE 200'INSIDE OF WINDOW UNTIL BU COMPLETE FROM WINDOW. CLOSE EDC, RUN BACK IN HOLE. 54 BBLS LOST ON TRIP. 104.30 - 06.00 1.50 DRILL P PROD1 FREE SPIN 3710 PSI AT 1.87 BPM. DRILL AHEAD FROM 11,850'. ' -ECD DROPPED FROM 10.42 PPG TO 10.28 PPG WITH WIPER TRIP -1.87 BPM IN,1.35 BPM OUT,3920 PSI,MW IN AND OUT 8.56 PPG,1.0K WOB,10.30 PPG ECD -PUMP 18-BBL HI VIS SWEEP TIMED TO CHASE OOH WITH WIPER TRIP. 06:00 - 07:15 1.25 DRILL P PROD1 WIPER TRIP FROM 12,002'TO WINDOW. PULL THROUGH WINDOW AT MIN RATE WITHOUT ISSUE. 07:15 - 07:30 0.25 DRILL P PROD1 LOG TIE IN TO RA TAG. CIRCULATE AT.4-BPM WITH 1200-PSI. LOSS RATE=18-BPH. APPLY+3'CORRECTION. IA/OA=80-PSI/115-PSI. ECD=9.61-PPG. 07:30 - 08:45 1.25 DRILL P PROD1 WIPER TRIP FROM WINDOW TO 12,002'. CIRCULATE AT 1.83-BPM WITH 3640-PSI. LOSS RATE= 18-BPH to 30-BPH. OBTAIN SLOW PUMP RATES WITH BOTH MUD PUMPS. IN OA/ECD=75-PSI/115-PSI/10.29-PPG. 08:45 - 10:30 1.75 DRILL P PROD1 DRILL AHEAD FROM 12,002'. FREE SPIN AT-1-.-861-BPM WITH 3650-PSI. LOSS RATE=30 TO 38-BPH. DRILL AHEAD WITH 1 -2K-LBS DHWOB AND 250-350-PSI MOTOR WORK. ECD SLOWLY CLIMBS TO 10.37-PPG. MAKE 100'WIPER FROM 12,100'. ECD DROPS TO 10.33-PPG. IA/OA/ECD=80-PSI/115-PSI/10.24-PPG INITIALLY. Printed 12/27/2011 12:40:07PM North America -ALASKA- BP Page 9 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 10:30 - 11:00 0.50 DRILL P PROD1 KICK WHILE DRILLING DRILL AT 12,106'. FLOW CHECK WELL WHILE MOVING PIPE SLOWLY-NO FLOW OBSERVED. ISOLATE ACTIVE SYSTEM TO PIT#1 ONLY FOR MORE ACCURATE MONITORING. ECD WITH PUMPS OFF=8.9-PPG. BRING PUMPS ON TO 1.8-BPM WITH 3600-PSI AND LOSS RATE OF 30-36-BPH. ECD WITH PUMPS ON 10.27-PPG. 11:00 - 11:45 0.75 DRILL P PROD1 QONTINUE TO DRILL AHEAD FROM 12,106'. FREE SPIN AT 1.83-BPM WITH 3600-PSI. DRILL AHEAD WITH 100-300-PSI MOTOR WORK AND 1 -2K-LBS DHWOB. ECD DRILLING AHEAD=10.27-PPG. MW IN=8.58-PPG. MW OUT=8.59-PPG. PUMP 15-BBL HI VIS SWEEP TO TIME WITH WIPER TRIP. IA/OA=85-PSI/120-PSI. 11:45 - 13:30 1.75 DRILL P' PROD1 WIPER TRIP FROM 12,150'. CIRCULATE AT 1.83-BPM WITH 3680-PSI CHASING SWEEP. ECD AT BOTTOM= 10.29-PPG. ECD WITH SWEEP BACK=10.10-PPG. MINIMAL INCREASE IN CUTTINGS WITH SWEEP BACK. 13:30 - 15:45 2.25 DRILL P PROD1 DRILL AHEAD FROM 12,150'. FREE SPIN AT 1.8-BPM WITH 3460-PSI. ECD INITIALLY= 10.19-PPG. DRILL AHEAD WITH 100-300-PSI MOTOR WORK AND 1 -2K-LBS DHWOB. BHA WIPER AT 12,200'. CONTINUE TO DRILL AHEAD WITH ABOVE PARAMETERS. ECD AT END OF SECTION=10.29-PPG. IA/OA=85-PSI/120-PSI. 15:45 - 17:15 1.50 DRILL P PROD1 WIPER TRIP FROM 12,300'. CIRCULATE AT 1.88-BPM WITH 3670-PSI. LOSS RATE=30-BPH. NO ISSUES NOTED ON WIPER TRIP. IA/OA=90-PSI/120-PSI. 17:15 - 19:30 2.25 DRILL P PROD1_ DRILL AHEAD FROM 12,300'. FREE SPIN 3520 AT 1.80 BPM. -1.80 BPM,3680-3875 PSI,9.5 PPG ECD,1.4K WOB -AVERAGING 30 BPH LOSSES 19:30 - 21:30 2.00 DRILL P PROD1 _WIPER TRIP TO WINDOW AT 1.94 BPM,3700 PSI. TIE-IN TO RA TAG WITH+5' CORRECTION. 48 BBLS LOST ON WIPER TRIP. NO SET DOWNS ON TRIP. 21:30 - 23:00 1.50 DRILL P PROD1 FREE SPIN 3550 PSI AT 1.85 BPM. DRILL AHEAD FROM 12,450'. -1.85 BPM IN,1.34-1.40 BPM OUT,3870-3900 PSI,MW IN 8.59 PPG,MW OUT 8.64 PPG, 1.63-1.96K WOB,10.34 PPG ECD -MADE SEVERAL BHA WIPER TRIPS -22 BPH LOSSES WHILE DRILLING AT 1.85 BPM 23:00 - 00:00 1.00 DRILL P PROD1 WIPER TO WINDOW WITH NO ISSUES. Printed 12/27/2011 12:40:07PM North America -ALASKA- BP Page 10 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/26/2011 00:00 - 00:45 0.75 DRILL P PROD1 TURN AROUND ON WIPER TRIP FOR TRIP BACK TO BOTTOM. NO PROBLEMS GETTING TO WINDOW ON TRIP UP. TRIP DOWN SMOOTH WITH NO SET DOWNS. LOST 55 BBLS ON TRIP. 00:45 - 02:45 2.00 DRILL P PROD1 FREE SPIN 3650 PSI AT 1.87 BPM. DRILL AHEAD FROM 12,600'. -1.87 BPM IN,1.31-1.40 BPM OUT,3870 PSI, MW IN 8.58 PPG,MW OUT 8.56-8.65 PPG, 1.27-1.70K WOB,10.36 PPG ECD -MADE SEVERAL BHA WIPER TRIPS -27.5 BPH LOSSES WHILE DRILLING AT 1.87 BPM 02:45 - 05:15 2.50 DRILL P PROD1 WIPER TRIP TO WINDOW. PUW RATTY. MAKE WIPER TRIP UP INTO WINDOW AND PUMP BOTTOMS UP FROM WINDOW WITH EDC OPEN. 25%INCREASE IN CUTTINGS WITH BOTTOMS UP. PIECES OF RUBBER COMING ACROSS SHAKER,POSSIBLY STATOR RUBBER FROM MOTOR. 63 BBLS LOST ON TRIP. 05:15 - 06:30 1.25 DRILL P PROD1 FREE SPIN 3670 PSI AT 1.85 BPM. DRILL AHEAD FROM 12,750'to 12,808'. -1.75 BPM IN,1.28 BPM OUT,38400 PSI,MW IN 8.58 PPG,MW OUT 8.58 PPG,1.92K WOB, 10.37 PPG ECD UNABLE TO MAKE PROGRESS-MOTOR STALLING AND STACKING DHWOB WITHOUT ANY DRILLING PROGRESS. 06:30 - 07:30 1.00 DRILL N DFAL 12,808.00 PROD1 POH FOR NEW MOTOR. CIRCULATE AT 1.95-BPM WITH 3800-PSI. NO ISSUES NOTED ON THE TRIP TO THE WINDOW. DROP PUMP TO MIN RATE AND PULL THROUGH WINDOW WITHOUT ISSUE. IA/OA=95-PSI/130-PSI. 07:30 - 10:00 2.50 DRILL N DFAL 12,808.00 PROD1 FLOW CHECK WELL-NO FLOW. OPEN EDC AND BREAK CIRCULATION AT 2.25-BPM WITH 3670-PSI. POH,JETTING TUBING. LOSS RATE CONTINUES AT 30-BPH INITIALLY,DECREASING TO 0-BPH NEAR SURFACE. 10:00 - 10:30 0.50 DRILL N DFAL 12,808.00 PROD1 MONITOR WELL-NO FLOW. HOLD PJSM ON CHANGE OUT MOTOR. IA/OA= 105-PSI/135-PSI. 10:30 - 11:00 0.50 DRILL N DFAL 12,808.00 PROD1 UNSTAB INJECTOR,INSPECT 50'OF COIL AND SET BACK OVER CIRC HOLE. LD MOTOR&HCC BI-CENTER BIT. MOTOR TURNS PROPERLY. GRADE BIT AT 1-5 WITH 8 OF 16 GAUGE CUTTERS BROKEN OR CHIPPED. WELL STATIC. 11:00 - 12:00 1.00 DRILL N DFAL 12,808.00 PROD1 MU DRILLING BHA#4 WITH NEW 1.1-DEG AKO 2-3/8"XTREME MOTOR AND 2.7"X 3-1/8"HYC BI-CENTER BIT. OAL=67.86'. MU BHA TO COIL AND STAB ON INJECTOR. TEST QTS TO 250-PSI/3500-PSI FOR 5-CHARTED MIN PER TEST. GOOD TESTS. Printed 12/27/2011 12:40:07PM North America-ALASKA-BP Page 1 of 12 Operation Summary Report Common Well Name:U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site:PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 S Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:00 - 14:45 2.75 DRILL N DFAL 12,808.00 PROD1 RIH WITH BHA#4 TO JUST ABOVE WINDOW. CIRCULATE AT.4-BPM WITH 830-PSI. LOST 56-BBLS ON TRIP IN HOLE. IA/OA=95-PSI/130-PSI. 14:45 - 15:15 0.50 DRILL N DFAL PROD1 PASS THROUGH WINDOW WITHOUT ISSUE. LOG TIE IN TO RA TAG. APPLY-15' CORRECTION. 15:15 - 16:30 1.25 DRILL N DFAL PROD1 INCREASE RATE TO 1.9-BPM WITH 3780-PSI. LOSS RATE AT 30-40-BPH WHILE RIH. OBTAIN SPRS NEAR BOTTOM. NO ISSUES NOTED ON WIPER. IA/OA=60-PSI/120-PSI. 16:30 - 17:45 1.25 DRILL P PROD1 RESUME DRILLING AHEAD FROM 12,808'TO FREE SPIN AT 1.82-BPM WITH 3420-PSI. DRILL AHEAD WITH 2-3K-LBS DHWOB AND 150-300-PSI MOTOR WORK. ROP SLOW UNTIL 12,832'AND THEN INCREASES TO 100-FPH. MAKE BHA WIPER TRIP FROM 12,845'. SEE SLIGHT OVERPULL AT PU. { NEW FREE SPIN AT 1.86-BPM WITH 3440-PSI. DRILL AHEAD WITH HIGH ROP AND ABOVE PARAMETERS. STICKY PU AT 12,884'. LOSS RATE AT DRILLING RATE=30-BPH. MW IN=8.53-PPG. MW OUT=8.56-PPG. ECD =10.2 TO 10.3-PPG. IA/OA=85-PSI/110-PSI. 17:45 - 18:30 0.75 DRILL P PROD1 MAKE SHORT WIPER TRIP AT 12 880'TO. 12.400'., CIRCULATE AT 1.89-BPM WITH 3500-PSI. ECD= 10.3-PPG AT START OF WIPER TRIP. 18:30 - 20:15 1.75 DRILL P PROD1 DRILL AHEAD IN LATERAL FROM 12,880'. FREE SPIN 3480 PSI AT 1.80 BPM. -CONDUCT KICK WHILE DRILLING DRILL. GOOD CREW RESPONSE BY ALL PARTIES. OBSERVED OVERPULL ON PU ATTEMPT WITH PUMPS DOWN WHILE MONITORING FLOW. TIGHT PULL FOR—50'. RUN BACK DOWN RATTY,DECIDE TO CONDUCT WIPER TRIP TO CLEAN HOLE. 20:15 - 22:30 2.25 DRILL P PROD1 WIPER TRIP TO WINDOW. OPEN EDC, CIRCULATE BOTTOMS UP. CLOSE EDC. FLOW CHECK BEFORE RUNNING BACK IN HOLE. 82 BBLS LOST DURING WIPER TRIP. 22:30 - 00:00 1.50 DRILL P PROD1 FREE SPIN 3430 PSI AT 1.82 BPM. DRILL AHEAD FROM 12,922'. -1.83 BPM IN,1.33-1.39 BPM OUT,3530-3750 PSI, MW IN AND OUT 8.56 PPG,1.47-2.58K WOB,10.30-10.36 PPG ECD -TROUBLE WITH GETTING WOB,COIL WEIGHT DROPPED OFF ON PU SEVERAL TIMES. MADE SEVERAL BHA WIPER TRIPS. -20 BPH LOSSES WHILE DRILLING AT 1.82 BPM Printed 12/27/2011 12:40:07PM North America -ALASKA- BP Page 12 of 12 Operation Summary Report Common Well Name: U-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 11/20/2011 End Date: X3-010MW-C: (2,073,697.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/27/2011 00:00 - 01:45 1.75 DRILL P PROD1 FREE SPIN 3240 PSI AT 1.75 BPM. DRILL AHEAD FROM 12,986'. -1.75 BPM IN,1.29-1.39 BPM OUT,3450-3750 PSI, MW IN 8.56 PPG,MW OUT 8.58 PPG, 1.47-2.30K WOB,10.26-10.36 PPG ECD -TROUBLE WITH GETTING WOB,COIL WEIGHT DROPPED OFF ON PU SEVERAL TIMES. MADE SEVERAL BHA WIPER TRIPS. ADJUSTED PUMP RATES TO SEE IF IT WOULD HELP; NO CHANGE. -29 BPH LOSSES WHILE DRILLING AT 1.75 BPM 01:45 - 05:00 3.25 DRILL P PROD1 MAKE SEVERAL REAMING PASSES THROUGH WELL TO CLEAN IT UP. CLEAN UP 12,490',12,690. WIPER TRIP TO WINDOW. 98 BBLS LOST ON TRIP TO WINDOW. 05:00 - 06:00 1.00 DRILL P PROD1 OPEN EDC,CIRCULATE BOTTOMS UP WHILE RECIPROCATING ACROSS WHIPSTOCK TRAY. 06:00 - 06:30 0.50 DRILL P PROD1 LOG TIE-INTO RA TAG WITH +9' CORRECTION. 06:30 - 07:30 1.00 DRILL P PROD1 RIH WITH DRILLING BHA TO CONFIRM TD. TAG AT 13,57'. PU,CONFIRM TAG. LOST 47 BBLS ON TRIP IN. 07:30 - 08:45 1.25 DRILL P PROD1 LAY IN LINER RUNNING PILL WITH STICKLESS BEADS. NO ISSUES COMING OFF BOTTOM ON TRIP UP TO WINDOW. 08:45 - 09:45 1.00 DRILL P PROD1 OPEN EDC AND JET WHIPSTOCK TRAY. PAINT WHITE FLAG AT 10800'EOP MEASUREMENT. 09:45 - 10:15 0.50 DRILL P PROD1 CBU FROM 10850'. NO REMARKABLE INCREASE IN CUTTINGS NOTED. SOME BLACK STAINING OF MUD SEEN. 10:15 - 12:45 2.50 DRILL P PROD1 FLOW CHECK WELL-NO FLOW. POH CIRCULATING AT 1.7-BPM WITH 2450-PSI. PAINT WHITE FLAG AT 8600'EOP MEASUREMENT. IA/OA=115-PSI/130-PSI. • 12:45 - 13:15 0.50 DRILL P PROD1 PERFORM DYNAMIC FLOW CHECKAT200'. RATE IN=.38-BPM/RATE OUT=.38-BPM. LOAD 6-ADDITIONAL JTS OF 2-3/8"STL SOLID LINER WITH CEMENTRALIZERS IN SHED. 13:15 - 13:45 0.50 DRILL P PROD1 PJSM WITH RIG CREW ON JETTING BOP STACK WITH OPEN EDC AND LD DRILLING BHA. DISCUSS POSITIONS OF PEOPLE,PROCESS SAFETY CONSIDERATIONS AND ORDER OF OPERATIONS. FLOW CHECK WELL-NO FLOW. 13:45 - 14:15 0.50 DRILL P PROD1 JET BOP STACK 3X THROUGH OPEN EDC AT 2.4-BPM WITH 3800-PSI. CLOSE EDC AND FINISH POH. 14:15 - 14:30 0.25 DRILL P PROD1 UNSTAB INJECTOR, INSPECT COIL AND SET BACK INJECTOR OVER CIRC HOLE. 14:30 - 15:00 0.50 DRILL P PROD1 BLOW DOWN BHI TOOLSTRING. LD LATERAL DRILLING BHA. GRADE BIT 1-1. Printed 12/27/2011 12:40:06PM North America ALASKA- BP Page 1 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/27/2011 15:00 - 15:15 0.25 BOPSUR P RUNPRD PERFORM WEEKLY BOPE FUNCTION TEST FROM SLB CTS OPERATORS STATION. GOOD FUNCTION TEST. 15:15 - 16:00 0.75 CASING P RUNPRD COMPLETE LAY OUT OF 2-3/8"STL SLOTTED &SOLID LINER TO COMPLY WITH ASSET DIRECTION. CTS TROUBLESHOOTING LEVEL WIND ISSUE. CONTINUOUSLY MONITOR FLUID LEVEL IN BOP STACK-WELL IS STATIC. 16:00 - 16:30 0.50 CASING P RUNPRD PU INJECTOR. CHANGE OUT BHI DPBV&RU TO TEST NEW DBPV. TEST TO 250-PSI/3500-PSI. HOLD AND CHART EACH TEST FOR 5-MINUTES. GOOD TESTS. 16:30 - 16:45 0.25 CASING P RUNPRD BREAK CIRCULATION THROUGH COIL TO WARM UP AFTER TESTING. SET INJECTOR BACK OVER CIRC HOLE ON LEGS. 16:45 - 18:00 1.25 CASING P RUNPRD .RtI TO RUI42-3/8"STL SLOTTED&SOLID LINER. 18:00 - 18:30 0.50 CASING P RUNPRD HOLD PJSM ON RUNNING 2-3/8"SOLID AND SLOTTED LINER. DISCUSS POSITIONS OF PEOPLE, EQUIPMENT ORDER,DROPPED OBJECT POTENTIALS AND PROCESS SAFETY CONSIDERATIONS. 18:30 - 23:30 5.00 CASING P_ RUNPRD RUN 2-3/8"4.7#L80 STL SLOTTED AND SOLID LINER PER RUNNING TALLY: INDEX GUIDE SHOE,2 EA 2-3/8"SOLID PUP JTS, BAKER 0-RING SUB,19 EA 2-3/8"SLOTTED LINER,4 EA 2-3/8"SOLID LINER W/CEMENTRALIZERS, 2 EA 2-3/8"SLOTTED LINER,1 EA 2-3/8"SOLID LINER,4 EA 2-3/8"SLOTTED LINER,24 EA 2-3/8"SOLID LINER,15 EA 2-3/8"SOLID LINER W/CEMENTRALIZERS,3"GS STEEL DEPLOYMENT SLEEVE STATIC LOSS RATE NEGLIGIBLE. FLUID LEVEL CONTINUOUSLY MONITORED,PUMP ACROSS TOP TO KEEP HOLE FULL -KICK WHILE MU LINER DRILL,GOOD CREW RESPONSE 23:30 - 00:00 0.50 CASING P RUNPRD MU BHI TOOLS TO STRING. MU COIL TO STRING. 11/28/2011 00:00 - 01:15 1.25 CASING P RUNPRD MU INJECTOR, PT QTS. AAR ON LINER AND BHA MU WHILE PRESSURE TESTING. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 2 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:15 - 04:15 3.00 CASING P RUNPRD RIH WITH 2-3/8"SOLID AND SLOTTED LINER PUMPING AT MIN RATE. MICROMOTION OUT READING ERRATIC DUE TO LOW PUMP LEVEL. TAKE MANUAL MUD SAMPLES. 8.5 PPG MW IN AND OUT. OUT DENSITY ROSE TO 8.7 PPG WITHLINER AT WINDOW. -PUW AT WINDOW 32K FIRST FLAG AT WINDOW,CORRECT DEPTH BY-6.7' -CONTINUE TO RIH. CONDITIONS BEGAN TO rim DETERIORATE WITH WOB AND SOME MINOR 5•10 1-/rd WORK TO GET THROUGH AT: -11,990'TO 12,030' G r-12,060'-12,240' -SIGNIFICANT SET DOWNS AT 12,240', 12,286'. PU AND WORK TO GET THROUGH AT 12,297'. ENCOUNTER SETDOWNS FROM 12,310'TO 12,332'. PU AND WORK TO GET THROUGH TO 12,340'. CONTINUE TO HAVE TO WORK TO GET LINER DOWN FROM 12,380' TO 12,640'. -SEE IMPROVEMENT AT 12,640'TO 12,680' -ENCOUNTER SET DOWNS AT 12,680'TO 12,830',12,850'TO 12,960' -PU AND WORK THROUGH 12,960', CONTINUE TO WORK THROUGH WITH SET DOWNS TO 12,990'TO 13,010'. -TAG AT 13,057' 04:15 - 04:30 0.25 CASING P RUNPRD PU WITH PUW OF 37K. RUN BACK DOWN TO CONFIRM TD OF 13,054'. PU 20',RUN BACK DOWN TO PLACE STRING IN COMPRESSION. STRING AT 13,057'COIL MD. COME ON WITH PUMPS TO 1.5 BPM. ALLOW PRESSURE TO COME UP TO 3300 PSI, BEGIN TO PU ON STRING AS PRESSURE STILL INCREASED. PU SHOWS BREAKOVER AT 28K. TOP OF DEPLOYMENT SLEEVE AT 10,904'MD. 04:30 - 06:00 1.50 EVAL P RUNPRD PU TO 10,800'TO TIE-IN TO RA TAG. CONFIRM THAT TOP OF LINER DEPLOYMENT SLEEVE IS OUT OF WINDOW. PUW 27K. 06:00 - 07:45 1.75 CASING P RUNPRD PREP LO-VIS AND HIGH WEIGHT PILL FOR CLEANING WHIPSTOCK TRAY. 07:45 - 08:00 0.25 BOPSUR N SURE H2S AT RIG FLOOR AND IN PIT AREA. SHUJ WELL,EVACUATE AMAKE NOTIFICATIONS. 08:00 - 09:30 1.50 BOPSUR N SURE EMS ON SITE. ENTER RIG, FIND H2S LEVELS ABOVE_10 PPM,VERIFY NO FLOW. 09:30 - 13:30 4.00 BOPSUR N SURE WORK WITH IMT, EMS,TOWN ON PLAN. CONTROL AREA,ALL NON-CRITICAL PERSONNEL ORDERED OFF SITE. 13:30 - 14:30 1.00 BOPSUR N SURE RIG CREW RE-ENTER RIG WITH SCBA. INCREASE PACKOFF PRESSURES ON COIL, CUT POWER TO POWERPACK. FIRE UP BOILERS. CHECK PITS,3 PPM ATMOSPHERIC,10 PPM AT PIT 3. TAKE ON WATER AND FUEL. 14:30 - 18:30 4.00 BOPSUR N SURE DEVELOP RE-ENTRY PLAN FOR RIG INSPECTION. FIND NUMEROUS FROZEN LINES, BROKEN CONNECTIONS. COIL REEL FROZEN. Printed 12/27/2011 12:40:25PM North America-:ALASKA- BP Page 3 of 18 Operation Summary Report Common Well Name:U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:30 - 00:00 5.50 BOPSUR N SURE BEGIN TROUBLESHOOTING AND REPLACING FROZEN AND BROKEN LINES. TRUNK HEATERS PLACED IN CELLAR,REEL HOUSE. 11/29/2011 00:00 - 07:00 7.00 BOPSUR N SURE TROUBLESHOOTING LINES THROUGHOUT RIG. REPLACING FROZEN CONNECTIONS AND PIPING. COIL FROZEN SOLID. 07:00 - 10:00 3.00 BOPSUR N SURE DEVELOP PLAN TO MONITOR WELLBORE PRESSURE AT CHOKE MANIFOLD. CLOSE CHOKE LINE MANUAL VALVE&OPEN CHOKE HCR-NO PRESSURE ON WELLBORE. OPEN CHOKE LINE MANUAL VALVE AND NO PRESSURE SEEN. MONITOR WELLBORE CONTINUOUSLY WITH NO PRESSURE SEEN AT ANY TIME. CONTINUE THAWING OPERATIONS THROUGHOUT RIG. MOBILIZE WELLS SUPPORT PIPE BLANKETS TO RIG FLOOR. 10:00 - 12:15 2.25 BOPSUR N SURE WSL AND NORDIC SUPERITENDENT SWEEP THROUGH PITS WITH H2S MONITOR-NO H2S DETECTED AT ANY LOCATION IN PITS. ANNOUNCE ALL CLEAR ON RIG. MAKE PROPER ANNOUNCEMENTS AND NOTIFY PAD OPERATOR,THEN TEST H2S SENSOR IN PITS-FULLY OPERATIONAL. INSTALL PIPE BLANKETS ON COIL ACROSS ROOF. CONFIRM ABILITY TO CIRCULATE DOWN THE KILL LINE BY LINING UP WITH CHARGE PUMP AND MONITORING PIT VOLUME. PVT DROPS INDICATING FLUID IS GOING DOWNHOLE. ENGAGE PUMP AND CIRCULATE 2-BBLS AT .5-BPM WITH 280-PSI BULLHEAD PRESSURE. 1110-HRS-UPDATE AOGCC REP LOU GRIMALDI ON RIG STATUS. 12:15 - 13:30 1.25 BOPSUR N SURE MOBILIZE ALL FLUIDS TRUCKS TO LOCATION AND DISCUSS PLAN TO BULLHEAD WELL WITH ODE. ODE COMPOSES OPS NOTE. HOLD PJSM ON BULLHEADING WELL WITH FLUID FROM PITS AND THEN MUD TREATED WITH I-12S SCAVENGER. BEGIN BULLHEAD OPERATIONS WITH MUD FROM PIT#3. ESTABLISH BULLHEAD AT .5-BPM WITH 250-PSI. MUD ENGINEER SAMPLING TWO ADDITIONAL QUIKDRILN MUD TRUCKS ON LOCATION AND DISCOVERS 25-PPM AND 4-PPM H2S READINGS FOR THOSE TRUCKS. SAMPLE FROM TRUCK THAT IS TIED INTO THE RIG IS TAKEN AT THE SAME TIME AND MEASURES 600+PPM H2S. IMMEDIATELY STOP BULLHEADING OPERATIONS. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 4 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:30 - 18:00 4.50 BOPSUR N SURE ESTABLISH SCHEDULE OF FILLING WELL EVERY HALF HR UNTIL 100-PSI PRESSURE SHUT IN PRESSURE SEEN AT CHOKE. LOSS RATE 1 -1.5-BPH ON THIS SCHEDULE. DISCUSS H2S READINGS WITH ADW HSE, CTD SUPT,RIG TEAM,WELLS SUPPORT COORDINATOR AND CH2 LEAD. SEND MUD TRUCKS TO BAROID FOR TREATMENT FOR H2S. MUD ENGINEER AND PLANT ENGINEER DEVELOP PLAN FOR TREATMENT. CONTINUE THAWING OPERATIONS-REEL HOUSE TEMPERATURE IN EXCESS OF 100-DEG F. 1642-HRS-PROVIDE REQUESTED UPDATE TO AOGCC REP LOU GRIMALDI. 18:00 - 19:30 1.50 BOPSUR N SURE RECEIVE OPS NOTE FROM ODE. ORDER TRUCKS TO OBTAIN SUFFICIENT KCL NEEDED TO DISPLACE WELL. DISCUSS CURRENT SITUATION WITH NEW NIGHTSHIFT WSL.COMMENCE WORKING ON PLAN FORWARD. • 19:30 - 22:00 2.50 BOPSUR N SURE CTD SUPT ARRIVES ON LOCATION. FORMULATE PLAN FORWARD.DISCUSS AND AGREE WITH WTL. 22:00 - 22:30 0.50 BOPSUR N SURE DISCUSS PLAN AHEAD WITH CREWS. 22:30 - 22:50 0.33' BOPSUR N SURE CLOSE EDC. LINE UP FOR PUMPING DOWN COIL. 22:50 - 23:00 0.17 BOPSUR N SURE ATTEMPT TO BREAK CIRCULATION BY PUMPING DOWN COIL. BRING MP#1 ONLINE AT 0.5BPM.CIRC PRESSURE IMMEDIATELY INCREASES TO 800PSI AFTER 0.2BBLS PUMPED.SHUT IN PUMP AND BLEED OFF PRESSURE.COIL IS STILL FROZEN UP. 23:00 - 23:15 0.25 BOPSUR N SURE DISCUSS WAY FORWARD AND AGREE TO FOCUS ON WARMING UP EXPOSED COIL. 23:15 - 00:00 0.75 BOPSUR N SURE OPTIMIZING WAY HEAT SOCK ARE RUN TO ROOF FOR BETTER HEAT TRANSFER. 11/30/2011 00:00 - 01:00 1.00 BOPSUR N SURE ATTEMPT TO FURTHER OPTIMIZE THE HEAT TRANSFER TO ROOF BY RUNNING A SECOND HEAT SOCK TO ROOF, BUT STRUGGLE TO MAKE UP HEAT HOSE. 01:00 - 02:00 1.00 BOPSUR N SURE DEVELOP PLAN FOR INSTALLING STEAM HOSE AROUND EXPOSED COIL ON ROOF IN ORDER TO THAW UP COIL.CALL TOOL SERVICES,STORES AS WELL AS NORDIC#2, NABORS 7ES AND DOYON 16 FOR ADDITIONAL STEAM HOSES.LOCATE 200' SECTION OF HOSE. 02:00 - 02:45 0.75 BOPSUR N SURE CONFIRM STAND-PIPE IS FROZEN UP. DISCONNECT TRUCK WITH 143BBLS QUIKDRIL WITH 600PPM H2S FROM STAND-PIPE AND SEND TRUCK TO STAGING AREA AWAY AND DOWNWIND FROM RIG. 02:45 - 03:25 0.67 BOPSUR N SURE CONNECT EMPTY DIRTY TO STANDPIPE. APPLY VACUUM TO STANDPIPE AND COMMENCE STEAMING PIPE. Printed 12/27/2011 12:40:25PM North America ALASKA-BP Page 5 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project: Prudhoe Bay Site:PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 03:25 - 04:30 1.08 BOPSUR N SURE STANDPIPE ALL CLEAR. COMMENCE EMPTYING OUT PIT#4 WITH PILL TO VAC TRUCK.KEEP PIT#2 LINED UP TO WELL AND EMPTY OUT AND CLEAN PITS#1 & #3. MEANWHILE TOOL SERVICES DELIVER STEAM HOSES FOR COIL.LIFT UP TO RIGFLOOR. 04:30 - 05:30 1.00 BOPSUR N SURE HOLD PJSM BEFORE RUNNING STEAM HOSE. INSTALL HOSE"PIGGY BACK"TO COIL. 05:30 - 06:30 1.00 BOPSUR N SURE OPEN UP STEAM TO STEAM HOSE AND ALLOW COIL TO WARM. PERFORM CREW CHANGE AND PRE TOUR CHECKS. 06:30 - 07:45 1.25 BOPSUR N SURE ATTEMPT TO CIRCULATE THROUGH CQIL WITHOUT SUCCESS. CONTINUE TO FILL WELL THROUGH KILL LINE EVERY 30-MIN WITH 1-2 BPH LOSS RATE. CONFIRM FLOW THROUGH ALL PIPING FROM MUD PUMP TO INNER REEL IRON. 07:30 - 08:30 1.00 BOPSUR N SURE ESTABLISH CIRCULATION THROUGH COIL. INITIALLY PRESSURE UP TO 400-PSI AND THEN BREAK OVER AND CIRCULATE AT .27-BPM WITH 150-PSI. PUMP 17-BBLS AT THIS RATE WITH CHOKE CLOSED WHILE PREPARING FOR FORMAL BULLHEAD OPERATIONS. FILL PITS WITH 8.4-PPG 2%KCL. 08:30 - 10:00 1.50 BOPSUR N SURE HOLD PJSM ON BULLHEAD OPERATIONS WITH RIG CREW. DISCUSS PROCESS SAFETY CONSIDERATIONS,FLUID TO BE PUMPED AND PARAMETERS. SHUT DOWN PUMP AND OPEN EDC. LINE UP TO PUMP DOWN KILL LINE WITH MUD PUMP#1 AND DOWN COIL WITH MUD PUMP#2. BULL HEAD A TOTAL OF 47-BBLS KCL DOWN COIL AND 83-BBLS OF KCL DOWN ANNULUS. ABLE TO ACHIEVE RATES UP TO 2-BPM IN ANNULUS AND 1-BPM DOWN COIL BEFORE BEING PRESSURE LIMITED AT 2500-PSI. 10:00 - 10:30 0.50 BOPSUR N SURE SHUT DOWN PUMP AND ALLOW PRESSURE TO BLEED TO FORMATION TO 0-PSI. 10:30 - 11:00 0.50 BOPSUR N SURE VERIFY 0-PSI ON SUPER CHOKE. OPEN SUPER CHOKE-NO FLOW. ESTABLISH CIRCULATION PUMPING DOWN COIL WITH RETURNS ROUTED OUTSIDE. SHOWING SLIGHT LOSS RATE. PERFORM FLOW CHECK-NO FLOW. CTS SUPERVISOR PU ON COIL TO NEUTRAL WEIGHT. CLOSE SUPER CHOKE AND OPEN UPPER 2"COMBIS. NO PRESSURE SEEN ON CHOKE. OPEN SUPER CHOKE AND RESUME CIRCULATING. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 6 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C:(690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:00 - 14:00 3.00 BOPSUR N SURE CIRCULATE DOWN COIL AT.45-BPM WITH .4-BPM RETURNS. —3-BPH LOSS RATE. SLB HOLD PJSM ON INSTALLING WEAR PLATES IN UTIM. RIG CREW RIGGING DOWN STEAM HOSE AND PIPE BLANKETS FROM ROOF. IA/OA=75-BPSI/110-PSI. 14:00 - 15:00 1.00 BOPSUR N SURE HOLD PJSM ON POH WITH COIL. DISCUSS PROCEDURE,WHAT INFORMATION IS BEING LOOKED FOR AND HAZARDS ASSOCIATED WITH MOVING COIL FOR THE FIRST TIME AFTER AN EXTENDED SHUT IN PERIOD. POH SLOWLY FROM 10,970-10,370', INSPECTING COIL WITH UTIM. NO PIPE CONDITION ISSUES NOTED. INSPECT AREA WHERE UPPER 2"COMBIS WERE CLOSED ON COIL. SLIP MARKS VISIBILE BUT DO NOT INDICATE ANY UNUSUAL WEAR ON COIL. CTS TAKE PHOTOGRAPHS. LOSS RATE=3-5 BPH. IA/OA=80-PSI/115-PSI. 15:00 - 15:15 0.25 BOPSUR N SURE RIH TO JET WHIPSTOCK TRAY. 15:15 - 15:45 0.50 CASING P RUNPRD INCREASE PUMP RATE TO 2.4-BPM WITH 3655-PSI. LOSS RATE INCREASE TO 15-BPH AT RATE. JET ACROSS WHIPSTOCK WITH OPEN EDC FROM 10893'-10898'(BIT DEPTH)AT 1-FPM. MAKE 2 FULL UP-DOWN PASSES. FLOW CHECK-NO FLOW. 15:45 - 18:30 2.75 CASING P RUNPRD POH,CIRCULATING AT 2-BPM WITH 2730-PSI. LOSS RATE=—12-BPH. IA/OA/PVT INITIALLY=90-PSI/120-PSI/ 289-BBLS. 18:30 - 19:00 0.50 CASING P RUNPRD FLOW-CHECK WELL-GOOD NO-FLOW. 19:00 - 19:30 0.50 CASING P RUNPRD PULL TO SURFACE.POP OFF INJECTOR,LD BHA#5 AND STAND TO SIDE. 19:30 - 19:45 0.25 CASING P RUNPRD HOLD PJSM BEFORE CUTTING COIL. 19:45 - 20:30 0.75 CASING P RUNPRD CUT OFF 100'COIL FOR CHROME COIL MANAGEMENT. 20:30 - 22:30 2.00 DHEQP P OTHCMP FILL UP WELL WITH 2BBLS. PVT=226BBLS. BAKER HAND TO RUN AND PICK UP EXTERNAL CTC. MEANWHILE CHASE UP GEOLOGIST FOR TIE-IN.ARRANGE FOR DOYON 25 GEO TO COME AND HELP OUT. 22:30 - 23:40 1.17 DHEQP P OTHCMP BAKER HAND BACK ON LOCATION.M/U EXTERNAL CTC TO COIL AND PULL-TEST TO 31K LBS.M/U UQC. 23:40 - 00:00 0.33 DHEQP P OTHCMP PRESSURE-TEST UQC TO 4,000PSI AND COMMENCE PRESSURE-TESTING DFCV'S TO 4,200PSI. 12/1/2011 00:00 - 00:20 0.33 DHEQP P OTHCMP COMPLETE PRESSURE-TESTING UQC. 00:20 - 01:00 0.67 DHEQP P OTHCMP M/U BHA#6 C/W WHIPSTOCK FISHING HOOK. 01:00 - 01:55 0.92 DHEQP P OTHCMP STAB ON LUBRICATOR AND PRESSURE-TEST QTS TO 300PSI/5MIN AND 4000PSV5MIN. BLEED OFF PRESSURES.OPEN EDC AND BREAK CIRCULATION. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 7 of 18 Operation Summary Report • Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C:(690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI: 500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:55 - 06:45 4.83 DHEQP P OTHCMP RIH WITH BHA#6 AT 60FPM. IN&OUT RATES:IN=1.20 OUT 1.30BPM • IA/OA/PVT=94PS1/126PS1/210BBLS @ 3:00AM/2,800'-IN&OUT RATES: IN=1.20 OUT=1.29BPM INDICATING FLUID LOSSES OF 8.4BBLS/HR. IA/OA/PVT=94PS1/126PS1/ 214BBLS @ 4:00AM/5,400'-IN&OUT RATES:IN=1.20 OUT=1.28BPM. IA/OA/PVT=90PSI/126PS1/ 220BBLS 5:00AM/8,530'-IN&OUT RATES: IN=1.20 OUT=1.25BPM INDICATING FLUID LOSSES OF 12.0BBBL/HR. IA/OA/PVT=93PS1/126PS1/ 222BBLS 06:45 - 07:15 0.50 DHEQP P OTHCMP PERFORM LOGGING PASS FOR TIE-IN FROM 10,800'DOWNWARDS @ 1.5FPM.TIE-IN TO TOP OF SAG RIVER SAND AND APPLY PLUS 44'CORRECTION. 07:15 - 08:15 1.00 DHEQP P OTHCMP REVIEW FISHING OPERATION WITH BTT REP, BHI,SLB DRILLER AND ODE. SLOWLY RIH TO 10865'. ORIENT TO 330-DEG. CLOSE EDC. PU WT=32K-LBS,SO WT=20K-LBS. BRING ON AT 1.1-BPM WITH 2700-PSI AND • RIH TO 10875'. POH SLOWLY AND SEE PUMP PRESSURE • DROP OFF SLIGHTLY. NO OVERPULLS. CONTINUE TO POH TO 10865'AND INCREASE PUMP RATE TO 1.4-BPM WITH 3750-PSI. RIH SLOWLY AND SEE SLIGHT SET DOWN AT • 10873'. PU AND SEE 3K-LB OVERPULL WITH IMMEDIATE WEIGHT DROP OFF. TURN BHI ORIENTER 5 DEG TO LEFT AND 5 DEG TO RIGHT. SEE AMPERAGE INCREASE INDICATING RESTRICTION-IN RETRIEVAL SLOT? DECIDE TO POH. 08:15 - 11:45 3.50 DHEQP P OTHCMP OPEN EDC AND BREAK CIRCULATION. POH WITH WHIPSTOCK RETRIEVAL BHA TO 200'. SLOW TO 10-FPM THROUGH ALL COMPLETION JEWELRY. CIRCULATE AT 1.28-BPM WITH 1900-PSI. LOSS RATE=6-12-BPH. IA/OA=100-PSI/135-PSI. 11:45 - 12:00 0.25 DHEQP P OTHCMP FLOW CHECK WELL-NO FLOW. HOLD PJSM ON LD WHIPSTOCK FISHING BHA. DISCUSS POSITIONS OF PEOPLE,BHA AND WHIPSTOCK HANDLING,AND COMMUNICATION. 12:00 - 12:15 0.25 DHEQP P OTHCMP POH TO 130'. UNSTAB INJECTOR AND POH SLOWLY INSPECTING COIL-NO ISSUES. POP OFF WELL AND SET INJECTOR BACK OVER CIRC HOLE. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 8 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C:(690,056.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:15 - 12:30 0.25 DHEQP P OTHCMP POH AND CHECK FOR WS. NO RECOVERY. LD BHA AND INSPECT HOOK. MARKS ON EITHER SIDE OF HOOK INDICATE ENGAGEMENT INTO RETRIEVAL SLOT AT SOME POINT. ALSO MARK INDICATING SET DOWN. TAKE PHOTOS AND DISCUSS WITH ODE. 12:30 - 15:00 2.50 DHEQP N DFAL 10,870.00 OTHCMP SEND HOOK TO BTT FOR MODIFICATION AND TESTING WITH FIXED BENT SUB. FILL WELL. LOSS RATE=4-BPH. 15:00 - 15:45 0.75 DHEQP N DFAL 10,870.00 OTHCMP MOBILIZE NOZZLE BHA COMPONENTS. MU NOZZLE BHA WITH BHI TOOLS. OAL= 39.15' MU BHA TO COIL AND STAB ON INJECTOR. 15:45 - 16:15 0.50 DHEQP N DFAL 10,870.00 OTHCMP TEST QTS TO 250-PSI/3500-PSI FOR 5-CHARTED MIN PER TEST. GOOD TESTS. 16:15 - 19:00 2.75 DHEQP N DEAL 10,870.00 OTHCMP RIH WITH NOZZLE BHA AT 75-FPM CIRCULATE AT.43-BPM WITH 280-PSI. LOSS RATE=6-8 BPH. IA/OA=80-PSI/140-PSI. 19:00 - 19:30 0.50 DHEQP N DFAL 10,870.00 OTHCMP AT DEPTH FOR TIE-IN.PU TO 10,780'FOR 2ND LOGGING PASS ACROSS TOP OF SAG RIVER SAND. CORRELATE AND APPLY+30'CORRECTION TO 10,826.23'. 19:30 - 19:45 0.25 DHEQP N DFAL 10,870.00 OTHCMP PERFORM CTS CREW-CHANGE. 19:45 - 20:00 0.25 DHEQP N DFAL 10,870.00 OTHCMP CONTINUE RIH LOOKING FOR RA-TAG ON WHIPSTOCK. AT 10,867'SEE SPIKE IN GR.STOP AND PU TO 10,840' 20:00 - 20:10 0.17 DHEQP N DFAL 10,870.00 OTHCMP RE-LOG SECTION AT 1.7FPM TO CONFIRM GR-SPIKE WAS NOT RA-TAG BUT FORMATION. PU TO 10,850'. 20:10 - 20:40 0.50 DHEQP N DFAL 10,870.00 OTHCMP RIH FROM 10,850'AT 1.7FPM. SEE RA-TAGS AT 10,876', RIGHT ON DEPTH. WHIPSTOCK WAS NOT MOVED AND IS STILL IN PLACE. 20:40 - 21:45 1.08 DHEQP N DFAL 10,870.00 OTHCMP PU TO 10,860'AND RIH AT 1 FPM JETTING AT 1.6BPM ACROSS HOOK PROFILE(HOOK PROFILE IS 3'BELOW TOWS,I.E.AT 10,871.5') IN&OUT RATES:1N=1.61 OUT=1.38BPM INDICATING FLUID LOSSES OF 12.6BBBL/HR. IA/OA/PVT=76PS1/138PSI/210BBLS. JET DOWN TO 10,872'. 21:45 - 22:35 0.83 DHEQP N DFAL 10,870.00 OTHCMP PU BACK ABOVE WHIPSTOCK AND RIH FOR 2ND JETTING PASS. RIH AT 0.1 FPM DOWN TO 10,872'. 22:35 - 00:00 1.42 DHEQP N DFAL 10,870.00 OTHCMP POOH. IN&OUT RATES: IN=1.66 OUT=1.38BPM. IA/ OA/PVT=81 PSI/139PS1/185BBLS. MEANWHILE REVIEW DESIGN OF WHIPSTOCK HOOK. DISCUSS POSSIBLE MODIFICATIONS WITH TOWN ENGINEER,BUT AGREE TO KEEP HOOK THE WAY IT CURRENTLY IS. Printed 12/27/2011 12:40:25PM North America-ALASKA- BP Page 9 of 18 Operation Summary Report Common Well Name:U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI: 500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12/2/2011 00:00 - 01:20 1.33 DHEQP N DFAL 10,870.00 OTHCMP CONTINUE POOH @ 100FPM 00:00 IN&OUT RATES:IN=1.58 OUT=1.07BPM (7.2BBUHR FLUID LOSSES).IA/OA/PVT= 85PS1/143PS1/159BBLS. 01:00 IN&OUT RATES: IN=1.67 OUT=1.22BPM (3.6BBUHR FLUID LOSSES).IA/OA/PVT= 90PSI/145PS1/145BBLS. 01:20 - 01:35 0.25 DHEQP N DFAL 10,870.00 OTHCMP PERFORM FLOW-CHECK AT SURFACE. MEANWHILE HOLD PJSM FOR BREAKING OFF INJECTOR. 01:35 - 03:00 1.42 DHEQP N DFAL 10,870.00 OTHCMP POP OFF INJECTOR AND STAND TO SIDE. LD BHA#7 AND M/U 2ND WHIPSTOCK FISHING BHA WITH FIXED 3.5DEG BENT SUB. 03:00 - 03:30 0.50 DHEQP N DFAL 10,870.00 OTHCMP PRESSURE-TEST QTS TO 500PSI AND 4,000PSI. MEANWHILE CTDS PERFORMS MAINTENANCE ON LEVEL WIND. 03:30 - 07:45 4.25 DHEQP N DFAL 10,870.00 OTHCMP RIH WITH BHA#8 @-55FPM PUMPING AT MINIMUM RATE OF 0.25BPM. IA/OA/PVT=87PS1/148PS1/246BBLS. 04:30 IN&OUT RATES: IN=0.28 OUT=0.38BPM (6.0BBUHR FLUID LOSSES).IA/OA/PVT= 84PS1/148PS1/248BBLS. 05:30 IN&OUT RATES:IN=0.28 OUT=0.42BPM (3BBL/HR FLUID LOSSES).IA/OA/PVT= 81 PSI/148PS1/246BBLS. WEIGHT CHECK AT 10,000'-PU WT= 28K-LBS,RIH WT=17K-LBS. WEIGHT CHECK AT 10,700' -PU WT= 30K-LBS,RIH WT=18K-LBS. 07:45 - 08:45 1.00 DHEQP N DFAL 10,870.00 OTHCMP LOG TIE IN FROM 10,780'AT 100-FPH. CIRCULATE AT.5-BPM WITH 540-PSI. APPLY+2'CORRECTION. IA/OA=80-PSI/145-PSI. 08:45 - 09:10 0.42 DHEQP N DFAL 10,870.00 OTHCMP OBTAIN FISHING PARAMETERS AT 10,852' ORIENTED TO 330-DEG. WITH PUMPS ON AT.5-BPM-PU WT= 30.5K-LBS,RIH WT=17.5K-LBS. ROTATION AMPS 5-DEG R&L=.77 WITH PUMPS OFF-PU WT=29.8K=LBS, RIH WT= 18K-LBS. ROTATION AMPS 5-DEG R&L = .80. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 10 of 18 Operation Summary Report Common Well Name:U-12 ,AFE No Event Type: COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:10 - 11:00 1.83 DHEQP N DFAL 10,870.00 OTHCMP SHUT DOWN PUMP&RIH. TAG AT 10875'AND SET DOWN 300-LBS DHWOB. PU AND SEE 6K-LB OVERPULL. ORIENT LEFT WITH AMPERAGE AT 1 AND SEE WEIGHT IMMEDIATELY DROP OFF- INDICATE ENGAGMENT IN RUNNING SLOT. PU TO 10861'AND RIH SLOWLY. SET DOWN 1K-LBS DHWOB AT 10,870'. PU AND SEE INDICATION OF SLIPPING OUT OF SLOT, CONTINUE TO POH SLOWLY WITHOUT OVERPULLS. POH TO 10852'AND FILL WELL. RIH TO 10869.5'AND SEE SLIGHT SET DOWN. PU WITHOUT OVERPULL. ADJUST ORIENTATION TO 328-DEG. RIH TO 10870'. SEE 6K-LBS DHWOB SET DOWN. PU AND SEE 2.4K-LBS OVERPULL. CTS OPERATOR STOPPED AND AT SAME TIME PU WEIGHT DROPPED OFF. PU TO 10860' RIH&SET DOWN 3K-LBS DHWOB AT 10863.9'. PU AND SEE SLIGHT OVERPULL AT 10860'. POH TO 10852'AND FILL WELL. CHECK ORIENTATION AMPERAGES FOR ROTATION 5-DEG L&R-SAME AS BEFORE. ORIENT HOOK TO 332-DEG AND RIH. SET DOWN 500-LBS DHWOB AT 10861.2'. REPEAT ADN TAG AT 10861'. PU,ORIENT TO 328'DEG AND SET DOWN 2.5K-LBS AT 10864'. PU TO 10852',FILL WELL AND CHANGE ORIENTATION TO 150-DEG. RIH TWICE MORE AND TAG AT 10863.7'BOTH TIMES. PU AND ESTABLISH CIRCULATION AT 1.1-BPM WITH 2650-PSI. RIH AND SET DOWN 700-LBS DHWOB AT 10863.2'. DISCUSS SITUATION WITH ODE THROUGHOUT AND DECIDE TO POH. 11:00 - 15:00 4.00 DHEQP N DFAL 10,870.00 OTHCMP FLOW CHECK WELL-NO FLOW. POH WITH WHIPSTOCK FISHING BHA AT 60-FPM,SLOWING TO 10-FPM THROUGH ALL PRODUCTION JEWELRY. CIRCULATE AT 1.18-BPM WITH 1700-PSI. LOSS RATE=6 TO 12 BPH. IA/OA=70-PSI/150-PSI. 15:00 - 15:15 0.25 DHEQP N DFAL 10,870.00 OTHCMP SHUT DOWN PUMP,CLOSE EDC AND THEN FLOW CHECK WELL AT 200'-NO FLOW. HOLD PJSM FOR LD BHA. DISCUSS BHA AND WHIPSTOCK HANDLING,POSITIONS OF PEOPLE AND ORDER OF OPERATIONS. 15:15 - 15:45 0.50 DHEQP N DFAL 10,870.00 OTHCMP UNSTAB INJECTOR AND SET BACK OVER CIRC HOLE. POH,LD WHIPSTOCK FISHING BHA. NO CATCH-INDICATION OF RETRIEVAL SLOT ENGAGEMENT AND SLIGHT DAMAGE TO TIP OF HOOK. CTS CHANGE OUT STRIPPER PACKOFF. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 11 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type: COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 15:45 - 16:45 1.00 DHEQP N DFAL 10,870.00 OTHCMP CTS COMPLETE FULL CHAIN INSPECTION. REPLACE ONE ELASTOMER. FILL PITS WITH 8.4-PPG 2%DOUBLE XS KCL. DISCUSS PLAN FORWARD WITH ODE&BTT. DECIDE TO RUN OS. 16:45 - 17:30 0.75 BOPSUR N DFAL 10,870.00 OTHCMP CLOSE MASTER AND SWAB VALVES. PU INJECTOR AND STAB ON WELL. TEST NEW PACKOFF 250-PSI/3500-PSI. HOLD AND CHART EACH TEST FOR 5-MINUTES. GOOD TESTS. BLEED PRESSURE OFF. CIRCULATE THROUGH COIL TO WARM UP. SHUT IN CHOKE AND OPEN MASTER&SWAB VALVES.0-PSI. OPEN CHOKE AND FILL WELL.2.7-BBLS TO GET RETURNS. 17:30 - 18:00 0.50 DHEQP N DFAL 10,870.00 OTHCMP HOLD PJSM ON MU OVERSHOT WHIPSTOCK FISHING BHA. DISCUSS POSITIONS OF PEOPLE, EQUIPMENT HANDLING AND ORDER OF OPERATIONS. SHUT DOWN PUMP AND UNSTAB INJECTOR. MU OVERSHOT FISHING BHA. OAL=58.29' MU TO COIL AND STAB ON INJECTOR. 18:00 - 19:15 1.25 DHEQP N DFAL 10,870.00 OTHCMP TEST QTS TO 250-PSI/3500-PSI. HOLD AND CHART EACH TEST FOR 5-MINUTES. FAIL HIGH PRESSURE TEST. CIRCULATE DOWN COIL AT MIN RATE WHILE TESTING. IN OA=70-PSI/150-PSI. 19:15 - 22:45 3.50 DHEQP N DFAL 10,870.00 OTHCMP RIH @ 60FPM WITH BHA#9. 19:30 -IN&OUT RATES: 1N=0.44 OUT=0.56BPM(7.2BBUHR FLUID LOSSES).IA /OA/PVT=68PS1/148PS1/257BBLS. 20:30 -IN&OUT RATES: 11%00.45 OUT=0.60BPM(6.6BBUHR FLUID LOSSES).IA /OA/PVT=67PSI/148PS1/261 BBLS. 21:30 -IN&OUT RATES: 11%00.44 OUT=0.52BPM(9BBUHR FLUID LOSSES).IA/ OA/PVT=67PSI/149PS1/264BBLS. 22:30 -IN&OUT RATES: IN=0.44 OUT=0.40BPM(4.8BBUHR FLUID LOSSES).IA /OA/PVT=67PSI/149PS1/267BBLS. @ 10,785'PUW=30,000 LBS. 22:45 - 23:00 0.25 DHEQP N DFAL 10,870.00 OTHCMP COMMENCE LOGGING DOWNWARDS FROM 10,800'FOR TIE-IN @ 1.7FPM WITH EDC CLOSED. LOOSE WEIGHT AT 10,804'. PU CAREFULLY,SEE SLIGHT OVERPULL AND INCREASE IN PUW. ROTATE HOT FOR"FREE SPIN":R=0.78 AMPS/L=0.77 AMPS. CAREFULLY RIH. SEE WOB-INCREASE. ROTATE HOT:R=1.48 AMPS/L=1.39 AMPS 23:00 - 23:10 0.17 DHEQP N DFAL 10,870.00 OTHCMP OVERPULL AND AMPERAGE ARE BOTH STRONG INDICATION THAT FISH HAS BEEN TAGGED AND OVERSHOT IS ENGAGED. DECIDE TO PU AND POOH.PUW=31,000 LBS. POOH AT LOGGING SPEED OF 2FPM AND ATTEMPT TIE-IN. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 12 of 18 Operation Summary Report Common Well Name:U-12 AFE No Event Type: COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 23:10 - 23:30 0.33 DHEQP N DFAL 10,870.00 OTHCMP OPEN EDC AND COMMENCE CIRCULATING WITH MM IN&OUT RATES: II*0.60 OUT=0.42BPM. 23:30 - 23:40 0.17 DHEQP N DFAL 10,870.00 OTHCMP RECEIVE CALL FROM GEO THAT TIE-IN WAS POSSIBLE,APPLY+62FT DEPTH CORRECTION,WHICH BRINGS THE TOP OF FISH RIGHT TO DEPTH OF 10,866'AS EXPECTED. CONTINUE TO POOH AT 20FPM. 23:40 - 23:50 0.17 DHEQP N DFAL 10,870.00 OTHCMP SLOW DOWN TO 10FPM FOR NIPPLE AT 10,610FT. PULL THROUGH NIPPLE WITHOUT ANY "FLICKER"OR INDICATION OF WHIPSTOCK. PUW=<30,000 LBS. 23:50 - 00:00 0.17 DHEQP N DFAL 1,087,010,8 OTHCMP ROTATE HOT: R=0.81 AMPS/L=0.8 AMPS NO FISH??? 12/3/2011 00:00 - 00:20 0.33 DHEQP N DFAL 10,870.00 OTHCMP DECIDE TO RIH TO 10,862'. SLOWLY CONTINUE TO RIH-LOOSE WEIGHT AT 10,864'(1.56 WOB) 00:20 - 00:45 0.42 DHEQP N DFAL 10,870.00 OTHCMP ROTATE HOT:R= 1.2 AMPS/L=1.4 AMPS PU TO TAKE WEIGHT OFF FISH. ROTATE HOT:R=1.11 AMPS/L=1.33 AMPS - NOT A BIG CHANGE! 00:45 - 01:00 0.25 DHEQP N DFAL 10,870.00 OTHCMP PU,TURN HOT 180 TO LS AND RIH-TAG @ 10,864'TO ALLOW MULESHOE OF OVERSHOT TO ENGAGE FISH. PU,TURN HOT FURTHER 90 DEG AND RIH- TAG @ 10,865' 01:00 - 05:15 4.25 DHEQP N- DFAL 10,870.00 OTHCMP DECIDE TO POOH @ 50FPM. 02:00 -IN&OUT RATES: IN=0.62 OUT=0.32BPM(6.6BBL/HR FLUID LOSSES).IA /OA/PVT=66PSI/151 PSI/230BBLS. 04:00 -IN&OUT RATES:IN=0.74 OUT=0.49BPM(3.6BBL/HR FLUID LOSSES).IA /OA/PVT=66PSI/153PSI/200BBLS. 05:00 -IN&OUT RATES: IN=0.73 OUT=0.48BPM. IA/OA/PVT=66PSI/153PS1/ ( 180BBLS. 05:15 - 05:30 0.25 DHEQP N DFAL 10,870.00 OTHCMP CLOSE EDC AND PERFORM FLOWCHECK- GOOD NO-FLOW. MEANWHILE HOLD PJSM BEFORE B/OUT THE INJECTOR. 05:30 - 09:45 4.25 DHEQP N DFAL 10,870.00 OTHCMP POP INJECTOR AND LD BHA#9. WHIPSTOCK WAS NOT RECOVERED BY OVERSHOT.OVERSHOT SKIRT SHOWS 2 SMALL DENTS,BUT NO MAJOR WEAR OR INDICATIONS OF ANY SORT. HOLD DROPPED OBJECTS REVIEW AND REFRESH WITH ADW CTD/RWO SUPT AND COX'S CREW. DISCUSS FISHING PLAN FORWARD WITH ODE,SUPT, BTT, RIG TEAM. 09:45 - 10:00 0.25 BOPSUR N DFAL 10,870.00 OTHCMP PERFORM WEEKLY BOPE FUNCTION TEST. FUNCTION UPPER AND LOWER 2"COMBIS, 2-3/8"X 3-1/2"VBRS,CHOKE HCR AND ANNULAR FROM DRILLER'S CONSOLE. ALL EQUIPMENT FUNCTIONED PROPERLY. TEST WITNESSED BY BP WSL. 4 Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 13 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C:(690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI: 500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 10:00 - 11:00 1.00 DHEQP N DFAL 10,870.00 OTHCMP LD BHI TOOLSTRING TO PIPE SHED. MU NIGHT CAP AND CIRCULATE ACROSS THE TOP OF THE WELL. 11:00 - 11:45 0.75 DHEQP N DFAL 10,870.00 OTHCMP HOLD PJSM WITH RIG CREW ON LIB RUN. DISCUSS BHA MU, HANDLING& COMPONENTS, POSITIONS OF PEOPLE, PURPOSE OF RUN. MU LIB BHA WITH BHI TOOLS,HYDRAULIC BENT SUB AND WITHOUT JARS. OAL=52.49'. PU INJECTOR HEAD AND MU COIL TO BHA. STAB INJECTOR HEAD ON WELL. 11:45 - 12:00 0.25 DHEQP N DFAL 10,870.00 OTHCMP TEST QTS TO 250-PSI/3500-PSI. HOLD AND CHART EACH TEST FOR 5-MINUTES. GOOD TESTS. OPEN EDC IA/OA=50-PSI/155-PSI. 12:00 - 16:30 4.50 DHEQP N DFAL 10,870.00 OTHCMP RIH WITH LIB BHA AT 60-FPM TO 10740', SLOWING THROUGH TUBING JEWELRY. CIRCULATE AT 1.12-BPM WITH 1070-PSI THROUGH OPEN EDC. LOSS RATE=9- 12-BPH. 16:30 - 18:30 2.00 DHEQP N DFAL 10,870.00 OTHCMP LOG TIE IN FROM 10,740' APPLY-20'CORRECTION. 18:30 - 18:45 0.25 DHEQP N DFAL 10,870.00 OTHCMP CLOSE EDC AND CONTINUE TO RIH. AT 10859',APPLY 2000-PSI DIFFERENTIAL PRESSURE. SEE 3K-LB DHWOB IMMEDIATELY AFTER APPLYING DIFFERENTIAL PRESSURE. CONTINUE TO RIH SLOWLY HOLDING DIFFERENTIAL PRESSURE. SET DOWN 5K-LBS AT 10865.65'. PU AND SEE BREAKOVER AT 10861'. CONTINUE TO PU TO 10859'. OPEN EDC AND BLEED PRESSURE OFF. 18:45 - 22:15 3.50 DHEQP N DFAL 10,870.00 OTHCMP POH WITH LIB. CIRCULATE AT 1.1-BPM WITH 1420-PSI. LOSS RATE=12-BPH IA/OA=60-PSI/155-PSI. 21:30 -IN&OUT RATES: IN=1.15 OUT=0.79BPM(6.6BBL/HR FLUID LOSSES).IA /OA/PVT=77PS1/146PS1/120BBLS. 22:15 - 22:35 0.33 DHEQP N DFAL 10,870.00 OTHCMP PULL BHA BACK TO SURFACE. PERFORM 10MIN FLOWCHECK-GOOD NO FLOW. 22:35 - 00:00 1.42 DHEQP N DFAL 10,870.00 OTHCMP POP LUBRICATOR AND LD BHA#10. START INTERPRETATION OF LIB. 12/4/2011 00:00 05:00 5.00 DHEQP N DFAL 10,870.00 OTHCMP INTERPERT LIB:TAKE LIB TO DEADHORSE TO BAKER-SHOP TO INCLUDE BTT-EXPERTS IN DISCUSSION.CONCLUDE THAT: -POSITION OF TRAY IS APPROXIMATELY THE SAME(150DEG),HOWEVER WHIPSTOCK HAS BEEN PULLED HIGHER. 05:00 - 06:00 1.00 DHEQP N DFAL 10,870.00 OTHCMP CALL ODE AND AGREE TO FREEZE-PROTECT AND RDMO. CALL OUT LITTLE RED SERVICES-CANNOT COME OUT DUE TO WEATHER CONDITIONS: PHASE 2/LEVEL 2.CONDITIONS DETERIORATING. RE-GROUP AND AGREE WITH BAKER AND ODE TO ATTEMPT A FURTHER RUN WITH HOOK. Printed 12/27/2011 12:40:25PM North America-ALASKA- BP Page 14 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site:PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 06:00 - 06:30 0.50 DHEQP N DFAL 10,870.00 OTHCMP EXPLAIN CREWS CURRENT SITUATION AND WAY FORWARD. HOLD PJSM WITH CREW BEFORE PUMPING BACK SLACK INTO COIL. 06:30 - 08:00 1.50 DHEQP N DFAL 10,870.00 OTHCMP CLOSE MASTER AND SWAB VALVE. REMOVE UQC AND BOOT E-LINE CABLE. STAB ON INJECTOR AND COMMENCE REVERSE-CIRCULATING TO PUMP SLACK BACK INTO COIL. 08:00 - 08:30 0.50 DHEQP N DFAL 10,870.00 OTHCMP MU CT CUTTER AND CUT 100'OF COIL FOR CHROME MANAGEMENT PURPOSES. RD CUTTER. 0812-HRS:24-HR NOTICE OF BI-WEEKLY BOPE TEST GIVEN TO AOGCC VIA PAGER SYSTEM. 08:30 - 09:15 0.75 DHEQP N DFAL 10,870.00 OTHCMP INSTALL NIGHT CAP AND TEST TO 250-PSI/ 3500-PSI FOR 5-MIN PER CHARTED TEST. OPEN MASTER&SWAB TO CLOSED CHOKE. 0-PSI. ESTABLISH CIRCULATION ACROSS TOP OF WELL WITH RETURNS THROUGH CHOKE. LOSS RATE=12-BPH. 0848-HRS: AOGCC REP LOU GRIMALDI RETURNED CALL-REQUESTED UPDATE TOMORROW MORNING FOR BOPE TEST TIMING. 09:15 - 09:45 0.50 DHEQP N DFAL 10,870.00 OTHCMP HOLD AAR ON CUTTING COIL. DISCUSS INJECTOR HANDLING IN HIGH WINDS. HOLD PJSM ON INSTALLING LEGS ON INJECTOR HEAD TO COMPLETELY SECURE. INSTALL LEGS AND SET BACK OVER CIRC HOLE. 09:45 - 20:10 10.42 DHEQP N WAIT 10,870.00 OTHCMP WAIT FOR WEATHER CONDITIONS TO IMPROVE. PHASE 2, LEVEL 2 INCREASING TO PHASE 2, LEVEL 3 AT 1045-HRS. CIRCULATE THROUGH COIL TO CIRCULATION HOLE. CIRCULATE ACROSS THE TOP OF THE WELL AT.63-BPM WITH 60-PSI. LOSS RATE= 8-BPH. IA/OA/PVT=80-PSI/145-PSI/257-BBLS. BRING ON ADDITIONAL KCL AT 1800-HRS. IA /OA/PVT=70-PSI/145-PSI/301-BBLS. 20:10 - 20:30 0.33 DHEQP N DFAL 10,870.00 OTHCMP WEATHER CONDITION ALLOW PROGRESSION OF JOB. RE-GROUP CREWS AND UPDATE ON STATUS.HOLD PJSM BEFORE M/U CTC AND UQC. 20:30 - 21:45 1.25 DHEQP N DFAL 10,870.00 OTHCMP INSPECT DERRICK FOR POTENTIAL DROPPED OBJECTS AFTER BLOW. PICK-UP INJECTOR. INSTALL EXTERNAL CTC. PULL-TEST TO 30K AND PRESSURE-TEST TO 3,250PSI. BLEED OFF. 21:45 - 22:30 0.75 DHEQP N DFAL 10,870.00 OTHCMP CLOSE TREE VALVES,STAB ON INJECTOR AND PUMP OUT SLACK WITH 56BBLS FRESH WATER.CUT 20'OF E-LINE CABLE. 22:30 - 23:15 0.75 DHEQP N DFAL 10,870.00 OTHCMP RE-HEAD COIL, STAB ON INJECTOR. Printed 12/27/2011 12:40:25PM North America -ALASKA BP Page 15 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C:(690,056.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 23:15 - 23:45 0.50 DHEQP N DFAL 10,870.00 OTHCMP PERFORM FULL BODY TEST ON RISER/ LUBRICATOR/QTS AND BAKER CHECK-VALVES AGAINST TREE VALVES. ACHIEVED GOOD TEST TO 3,500PSI/5MIN. BLEED OFF PRESSURE. 23:45 - 00:00 0.25 DHEQP N DFAL 10,870.00 OTHCMP OPEN UP SV AND MV.TOP UP WELL WITH 7.2 BBLS. 12/5/2011 00:00 - 00:30 0.50 DHEQP N DFAL 10,870.00 OTHCMP HOLD PJSM. DISCUSS HOW TO IMPROVE PRECISION OF ALLIGNING HOOK TO'ZERO' OF HOT.DECIDE TO FIRST M/U AND TORQUE UP LOWER PART OF BHA,THEN LAY DOWN TOOLSTRING IN PIPSHEET TO FIND ACCURATE'ZERO'ON HOOK. 00:30 - 01:45 1.25 DHEQP N DFAL 10,870.00 OTHCMP POP INJECTOR OFF QTS AND STAND BACK. M/U BHA#11.TEST QTS AND OPEN EDC. 01:45 - 06:00 4.25 DHEQP N DFAL 10,870.00 OTHCMP COMMENCE RIH @ 60FPM PER BTT REP TO 10850'. 02:30 -IN&OUT RATES: IN=0.43 OUT=0.48BPM(10.2BBUHR FLUID LOSSES).IA /OA/PVT=66PS1/151PS1/272BBLS. 03:30 -IN&OUT RATES: IW0.44 OUT=0.53BPM(8.4BBUHR FLUID LOSSES).IA /OA/PVT=77PS1/155PSI/278BBLS. 04:30 -IN&OUT RATES: IN=0.43 OUT=0.52BPM. IA/OA/PVT=82P51/155PS1/ 283BBLS. 06:00 - 06:30 0.50 DHEQP N DFAL 10,870.00 OTHCMP OBTAIN FISHING PARAMETERS. • WITHOUT PUMPING: PU WT=31K-LBS.RIH WT=19.5K-LBS. BREAKOVER=33.3K-LBS. HOT AMPS= .78 L&R. WHILE PUMPING AT.5-BPM/520-PSI: PU WT =31.5K-LBS. RIH WT=18.5K-LBS. BREAKOVER=33.3K-LBS. HOT AMPS=.78 L&R. 06:30 - 09:45 3.25 DHEQP N DFAL 10,870.00 OTHCMP MAKE MULTIPLE ATTEMPTS TO ENGAGE WHIPSTOCK. RIH UNTIL SET DOWN(DEPTHS VARY FROM 10866.15'TO 10865.01')AND THEN PICK UP AND ASSESS OVERPULL. VARY ORIENTATION FROM 330-DEG TO 310-DEG AND PICKUP SPEEDS FROM 2-FPM TO 10-FPM WITHOUT INDICATION OF ENGAGEMENT. ORIENT TO 245-DGE AND RIH TO 10865.74' AND SET 2K-LBS DHWOB DOWN. PU AND SEE 2.5K-LB OVERPULL AND THEN WEIGHT DROP OFF TO STEADY DRAG OF 300-LBS. POH TO 10700'WITH DRAG REDUCING TO 120-LBS. TEST HOT AMPS AT 10700'=R W/ .83ANDLW/.81. RIH FROM 10700'TO 10850'AT 11-FPM. CONTINUE TO RIH FROM 10,850'AND 5-FPM. ABLE TO ACHIEVE FINAL DEPTH OF 10868'. TEST HOT AMPS AT 10868'=R W/83,L W/ .81. CIRCULATE THROUGHOUT OPERATION AT .5-BPM. LOSS RATE=8-BPH. Printed 12/27/2011 12:40:25PM North America-.ALASKA BP Page 16 of 18 Operation Summary Report Common Well Name: U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C:(690,056.00) Project: Prudhoe Bay Site:PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI:500292140900 I Active Datum:20: 12 8/5/1985 00:00©77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:45 - 11:15 1.50 DHEQP N DFAL 10,870.00 OTHCMP DISCUSS SITUATION WITH BTT AND ODE. -Mt iMISLESki. POH FROM 10868'. SEE OVERPULLS THROUGH ALL COMPLETION JEWELRY. OPEN EDC ON THE FLY WHILE PULLING OUT OF WELL SLOWLY. CIRCULATE AT 1.1-BPM WITH 1180-PSI. } 11:15 - 12:00 0.75 DHEQP N DFAL 10,870.00 OTHCMP HANG UP IN GLM#2 AT 8539.68'WITH 2400-LB OVERPULL. CLOSE EDC AND ESTABLISH CIRCULATION THROUGH PORT ON HOOK AT 1-BPM WITH 1500-PSI. ORIENT AND SEE BHA POP FREE. CONTINUE TO POH TO 8500',OPEN EDC AND BREAK CIRCULATION. 12:00 - 12:45 0.75 DHEQP N DFAL 10,870.00 OTHCMP POH FROM 8500'TO 6180'AT 55-FPM. LOSS RATE CONTINUES AT 8-BPH. 12:45 - 14:15 1.50 DHEQP N DFAL 10,870.00 OTHCMP AT 6180',SLOW TO 7-FPM TO PULL THROUGH GLM#3 AT 6100'. ORIENTED TO 90-DEG. 4 HANG UP AT 6097'AND SEE 3900-LB OVERPULL. CLOSE EDC AND ESTABLISH CIRCULATION THROUGH PORT ON HOOK. ALTERNATIVELY PRESSURE UP TO 1.5-BPM WITH 3900-PSI AND ATTEMPT TO ORIENT. MAINTAIN AT LEAST 1000-LBS OVERPULL BUT SLACK OFF TO 6097.6'. DHWOB SENSOR INDICATES FREE AND HOT ORIENTS FREELY. ORIENT TO 180-DEG AND RESUME POH TO 6060'. CLOSE EDC AND BREAK CIRC AT 1.1-BPM WITH 1180-PSI. { 14:15 - 15:15 1.00 DHEQP N DFAL` 10,870.00 OTHCMP POH FROM 6060'TO 3210'AT 60-FPM. CIRCULATE AT 1.1-BPM WITH 1180-PSI THROUGH OPEN EDC. IA/OA=81-PSI/170-PSI. 15:15 - 15:30 0.25 DHEQP N DFAL 10,870.00 OTHCMP POH FROM 3210'to 3170'AT 4-FPM. ORIENTED TO 0-DEG. NO NOTABLE OVERPULL THROUGH GLM#4. 15:30 - 16:30 1.00 DHEQP N DFAL 10,870.00 OTHCMP CONTINUE TO POH FROM 3170'TO 200'. SLOW TO 10-FPM FROM 2210'TO 2160'-NO INDICATION OF SSSV NIPPLE. MAINTAIN HIGH SIDE ORIENTATION. CIRCULATE AT 1.1-BPM WITH 1220-PSI. 16:30 - 16:45 0.25 DHEQP N DFAL 10,870.00 OTHCMP FLOW CHECK WELL-NO FLOW. HOLD PJSM FOR LD BHA. DISCUSS BHA HANDLING CONSIDERATIONS,KEEPING RIG FLOOR CLEAR,THE IMPORTANCE OF GOOD COMMUNICATION AND KEEPING THE WELL FULL. IA/OA=80-PSI/170-PSI. 16:45 - 17:15 0.50 DHEQP N DFAL 10,870.00 OTHCMP POH SLOWLY TO 100'. UNSTAB INJECTOR&SET BACK OVER CIRC HOLE. POH WITH BHA-WHIPSTOCK NOT RECOVERED. LD HOOK&JARS. BLOW DOWN BHI TOOLSTRING&LD SAME. Printed 12/27/2011 12:40:25PM North America -ALASKA- BP Page 17 of 18 Operation Summary Report Common Well Name:U-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project: Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor:NORDIC CALISTA UWI: 500292140900 Active Datum:20: 12 8/5/1985 00:00 @77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 17:15 - 18:15 1.00 WHSUR P POST RU LRS. FILL WELL&INSTALL NIGHT CAP. TOOK 4-BBLS TO FILL WELL. CLOSE MASTER&SWAB VALVES. TEST NIGHT CAP TO 250-PSI/3500-PSI. HOLD AND CHART EACH TEST FOR 5-MINUTES. GOOD TESTS. 18:30 - 18:45 0.25 WHSUR P POST HOLD PJSM BEFORE PUMPING FREEZE-PROTECT. 18:45 - 19:15 0.50 WHSUR P POST PU INJECTOR, M/U NOZZLE.STAB ON INJECTOR,TEST QTS SUCCESSFULLY TO 4,000PSI/5MIN. 19:15 - 19:25 0.17 WHSUR P POST LRS CREW-CHANGE.HOLD PJSM WITH NIGHT CREW. 19:25 - 21:00 1.58 WHSUR P POST FLUID-PACK LINES FROM LRS WITH METHANOL AND PRESSURE-TEST SURFACE LINES. 21:00 - 21:50 0.83 WHSUR P POST LRS COMMENCE PUMPING DIESEL INTO REEL. PUMP 36BLS,CLOSE CHOKE AND COMPLETE PUMPING 4OBBLS DIESEL INTO COIL. S/I LRS,AND DISPLACE DIESEL WITH MP#1. PUMP 28BBLS KCL INTO REEL,THUS DISPLACING 3OBBLS INTO WELL(38BBLS CT-VOL).S/I PUMPS. 21:50 - 22:30 0.67 WHSUR P POST BLEED OFF PRESSURE.OBSERVE 0.25BPM 'RETURNS FROM WELL.MONITOR RETURNS. 22:30 - 22:50 0.33 WHSUR P POST PERFORM 10MIN FLOWCHECK-GOOD NO-FLOW. .MEANWHILE HOLD PJSM BEFORE B/OFF INJECTOR AND SETTING BPV. 22:50 - 23:10 0.33 WHSUR P POST POP INJECTOR,CAMERON SET BPV IN TREE. { 23:10 - 23:30 0.33 WHSUR P POST RESTAB INJECTOR&FLUSH SURFACE LINES WITH DIESEL. 23:30 - 23:50 0.33 WHSUR P POST POP WELL,REMOVE DFCVS AND FLOW SUB. N2 CREW ARRIVING ON LOCATION. COMMENCE COOLING DOWN N2. 23:50 - 00:00 0.17 WHSUR P POST STAB ON INJECTOR. 12/6/2011 00:00 - 00:15 0.25 WHSUR P POST PRESSURE TEST QTS. 00:15 - 01:00 0.75 WHSUR P POST COMMENCE RIGGING UP N2-CREW. 01:00 - 03:30 2.50 WHSUR N SFAL POST ISSUE WITH C-PUMP ON N2-TRUCK.CALL OUT MECHANIC FOR INVESTIGATION. 03:30 - 04:15 0.75 WHSUR P POST COMMENCE COOLING DOWN N2 AND LINE UP TO TIGER TANK. 04:15 - 04:30 0.25 WHSUR P POST HOLD PJSM. 04:30 - 05:00 0.50 WHSUR P POST PRESSURE-TEST N2 SURFACE LINES. MEANWHILE CIRCULATE THROUGH CT 30 BBLS OF FRESH WATER,FOLLOWED BY 15BBLS OF INHIBITOR AND 1OBBLS OF METHANOL. 05:00 - 05:30 0.50 WHSUR P POST PURGE REEL WITH N2.BLEED DOWN N2 FROM REEL AND LUBRICATOR. 05:30 - 06:30 1.00 WHSUR P POST DSM GREASE CREW GREASED MASTER AND SWAB VALVES. Printed 12/27/2011 12:40:25PM North America -ALASKA--BP Page 18 of 18 Operation Summary Report Common Well Name:U-12 AFE No Event Type: COM-ONSHORE(CON) Start Date: 11/26/2011 End Date: X3-010MW-C X3-010MW-C: (690,056.00) Project:Prudhoe Bay Site: PB U Pad Rig Name/No.: NORDIC 1 Spud Date/Time:8/5/1985 12:00:00AM Rig Release: 12/7/2011 Rig Contractor: NORDIC CALISTA UWI:500292140900 Active Datum:20: 12 8/5/1985 00:00©77.42ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 06:30 - 08:00 1.50 WHSUR P POST RU TO FILL TREE WITH MEOH THRU WING VALVE. ENSURE ALL RIG LINES FULL OF MEOH. HOLD PJSM ON TESTING TREE VALVES. ATTEMPT TO TEST MASTER AND SWAB VALVES BY PUMPING IN WING VALVE.-NO TEST. 08:00 - 08:45 0.75 WHSUR P POST GREASE CREW GREASE MASTER AND SWAB AND CLOSE SSV. EMPTY PITS OF ALL FLUID. 08:45 - 09:45 1.00 WHSUR P POST TEST SWAB AND SSV TO 250-PSI/3500-PSI FOR 5-CHARTED MIN PER TEST. GOOD TESTS. RD TEST EQUIPMENT. 09:45 - 10:15 0.50 WHSUR P POST HOLD PJSM ON UNSTABBING INJECTOR HEAD. POP OFF WELL, REMOVE UQC&CUT OFF CTC. 10:15 - 15:00 4.75 RIGD P POST RU WINCH FOR PULLING COIL BACK TO REEL. INSTALL GRAPPLE. 15:00 - 15:30 0.50 RIGD P POST PIPE SECURED PJSM TO OPEN BOP DOORS TO INSPECT RAMS 15:30 - 17:00 1.50 RIGD P POST PULL DOORS TO INSPECT RAMS PU INJECTOR AND MU TO QTS TO REMOVE IT FROM THE STACK 17:00 - 19:30 2.50 RIGD P POST REMOVE INNER REEL IRON. INSPECT AND CHANGE-OUT TOT RAMS. 19:30 - 00:00 4.50 RIGD P POST PJSM,NIPPLE DOWN AND INSPECT BOP. CHANGE OUT ANNULAR ELEMENTS. 12/7/2011 00:00 - 01:30 1.50 RIGD P POST COMPLETE WORK ON BOP'S. 01:30 - 03:00 1.50 RIGD P POST INSTALL TC AND TEST TO 300PSI/5MIN AND 3,750PSI/5MIN-ACHIEVE GOOD TEST AGAINST SSV. 03:00 - 03:30 0.50 RIGD P POST TIDY UP RIG. RELEASE RIG AT 03:30. 03:30 - 03:45 0.25 RIGD P POST MEET PAD OERPATOR AND CLOSE OUT WELLWORK TRANSFER FORM. 03:45 - 04:00 0.25 RIGD P POST HOLD PJSM BEFORE LIFTING OUT 2" CT-REEL. 04:00 - 06:00 2.00 RIGD P POST CONNECT BRIDGE CRANE TO REEL, DISENGAGE AXIAL PINS FROM REEL,OPEN DOORS AND LOWER REEL ONTO TRAILER. LIFT NEW REEL INTO REELHOUSE AND CLOSE DOORS. Printed 12/27/2011 12:40:25PM rI BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB U Pad U-12 500292140900 U-12AL1 Survey: MWD Survey Report - Geographic 28 November, 2011 Øbp Mill BAKER HUGHES Survey Report-Geographic 0 bp INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well U-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB U Pad MD Reference: U-12A @ 76.53ft(Nabors 7ES) Well: U-12 North Reference: True Wellbore: U-12AL1 Survey Calculation Method: Minimum Curvature Design: U-12AL1 Database: EDM.16-ANC Prod-WH24P Project Prudhoe Bay,GPB,PRUDHOE BAY Map System: US State Plane 1927(Exact solution) System Datum: Mean Sea Level Geo Datum: NAD 1927(NADCON CONUS) Using Well Reference Point Map Zone: Alaska Zone 04 Using geodetic scale factor Site PB U Pad,TR-11-13 Site Position: Northing: 5,960,534.13ft Latitude: 70°18'1.170 N From: Map Easting: 630,178.07ft Longitude: 148°56'44.315 W Position Uncertainty: 0.00 ft Slot Radius: 0.000 in Grid Convergence: 0.99 ° Well U-12 API No 500292140900 Well Position +N/-S 0.00 ft Northing: 5,961,039.00 ft Latitude: 70°18'5.872 N +E/-W 0.00 ft Easting: 631,718.00 ft Longitude: 148°55'59.166 W Position Uncertainty 0.00 ft Wellhead Elevation: ft Ground Level: 47.40ft Wellbore U-12AL1 API No 500292140960 Magnetics Model Name Sample Date Declination Dip Angle Field Strength (°) (°) (nT) BGGM2011 11/1/2011 21.20 80.98 57,657 Design U-12AL1 Audit Notes: Version: Phase: ACTUAL Tie On Depth: 10,846.94 Vertical Section: Depth From(TVD) +N/-S +E/-W Direction (ft) (ft) (ft) (1 -46.97 0.00 0.00 328.90 Survey Program Date: 11/28/2011 From To (ft) (ft) Survey(Wellbore) Tool Name Description 99.11 9,799.11 1 :Sperry-Sun BOSS gyro multi(U-12) BOSS-GYRO Sperry-Sun BOSS gyro multishot 9,869.00 10,846.94 U-12A IIFR(U-12A) MWD+IFR+MS MWD+ IFR+Multi Station 10,868.50 13,057.00 MWD(U-12AL1) MWD MWD-Standard 11/28/2011 1:14:38PM Page 2 COMPASS 2003.16 Build 73 nil BAKER HUGHES Survey Report-Geographic 0 bp INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well U-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB U Pad MD Reference: U-12A @ 76.53ft(Nabors 7ES) Well: U-12 North Reference: True Wellbore: U-12AL1 Survey Calculation Method: Minimum Curvature Design: U-12AL1 Database: EDM.16-ANC Prod-WH24P Survey Measured TVD Below Map Map Depth Inclination Azimuth System +N/-S +E/-W Northing Easting (ft) (0) (0) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 10,846.05 51.20 329.61 8,683.61 4,161.50 -3,022.52 5,965,146.54 628,623.24 70°18'46.794 N 148°57'27.338 W', TIP 10,868.50 51.07 329.09 8,697.70 4,176.54 -3,031.43 5,965,161.42 628,614.07 70°18'46.942 N 148°57'27.598 W KOP 10,870.00 50.83 329.31 8,698.64 4,177.54 -3,032.03 5,965,162.41 628,613.45 70°18'46.951 N 148°57'27.615 W 10,900.05 46.18 333.98 8,718.55 4,197.31 -3,042.74 5,965,182.00 628,602.40 70°18'47.146 N 148°57'27.928 W 10,930.15 44.46 339.46 8,739.72 4,216.95 -3,051.20 5,965,201.48 628,593.59 70°18'47.339 N 148°57'28.175 W 10,962.07 49.92 351.25 8,761.45 4,239.55 -3,057.00 5,965,223.97 628,587.40 70°18'47.561 N 148°57'28.344 W 10,990.25 54.94 358.29 8,778.64 4,261.76 -3,058.99 5,965,246.15 628,585.02 70°18'47.780 N 148°57'28.403 W 11,020.57 62.33 2.88 8,794.41 4,287.62 -3,058.68 5,965,272.01 628,584.88 70°18'48.034 N 148°57'28.394 W 11,050.97 69.23 5.38 8,806.88 4,315.25 -3,056.67 5,965,299.67 628,586.40 70°18'48.306 N 148°57'28.336 W 11,080.29 76.05 5.70 8,815.62 4,343.09 -3,053.97 5,965,327.54 628,588.61 70°18'48.579 N 148°57'28.257 W 11,110.27 83.75 8.24 8,820.88 4,372.36 -3,050.38 5,965,356.87 628,591.69 70°18'48.867 N 148°57'28.153 W' 11,140.13 90.28 13.81 8,822.43 4,401.60 -3,044.68 5,965,386.21 628,596.87 70°18'49.155 N 148°57'27.987 W 11,170.47 93.26 21.49 8,821.49 4,430.48 -3,035.49 5,965,415.23 628,605.55 70°18'49.439 N 148°57'27.719 W 11,201.85 93.23 30.60 8,819.71 4,458.60 -3,021.75 5,965,443.59 628,618.80 70°18'49.716 N 148°57'27.319 W 11,230.23 94.03 38.43 8,817.91 4,481.92 -3,005.72 5,965,467.18 628,634.42 70°18'49.945 N 148°57'26.851 W 11,260.55 94.43 46.45 8,815.67 4,504.21 -2,985.33 5,965,489.83 628,654.41 70°18'50.164 N 148°57'26.257 W 11,291.67 94.82 55.88 8,813.16 4,523.64 -2,961.20 5,965,509.68 628,678.20 70°18'50.356 N 148°57'25.553 W 11,320.57 93.90 64.80 8,810.96 4,537.89 -2,936.18 5,965,524.36 628,702.96 70°18'50.496 N 148°57'24.823 W 11,350.47 95.38 74.06 8,808.53 4,548.35 -2,908.31 5,965,535.31 628,730.64 70°18'50.599 N 148°57'24.010 W 11,380.65 94.09 81.34 8,806.04 4,554.75 -2,878.94 5,965,542.22 628,759.89 70°18'50.662 N 148°57'23.154 W 11,410.43 93.32 91.09 8,804.11 4,556.71 -2,849.33 5,965,544.70 628,789.46 70°18'50.681 N 148°57'22.290 W 11,440.61 93.41 100.39 8,802.34 4,553.70 -2,819.38 5,965,542.21 628,819.45 70°18'50.652 N 148°57'21.416 W 11,470.61 94.08 109.94 8,800.37 4,545.88 -2,790.52 5,965,534.90 628,848.44 70°18'50.575 N 148°57'20.574 W 11,500.47 93.63 119.42 8,798.36 4,533.45 -2,763.49 5,965,522.95 628,875.69 70°18'50.453 N 148°57'19.785 W 11,525.25 94.73 127.58 8,796.55 4,519.82 -2,742.89 5,965,509.69 628,896.52 70°18'50.319 N 148°57'19.184 W 11,557.53 94.52 136.19 8,793.94 4,498.36 -2,718.96 5,965,488.65 628,920.82 70°18'50.108 N 148°57'18.486 W 11,584.99 92.70 139.13 8,792.21 4,478.11 -2,700.51 5,965,468.72 628,939.63 70°18'49.909 N 148°57'17.947 W 11,614.65 89.94 146.24 8,791.53 4,454.54 -2,682.55 5,965,445.48 628,958.00 70°18'49.677 N 148°57'17.423 W 11,649.89 90.31 150.16 8,791.45 4,424.60 -2,663.98 5,965,415.87 628,977.08 70°18'49.383 N 148°57'16.881 W 11,674.95 90.92 154.89 8,791.18 4,402.37 -2,652.42 5,965,393.85 628,989.03 70°18'49.164 N 148°57'16.544 W 11,711.31 91.69 160.45 8,790.35 4,368.76 -2,638.62 5,965,360.49 629,003.42 70°18'48.833 N 148°57'16.141 W 11,750.71 91.26 166.43 8,789.34 4,331.02 -2,627.40 5,965,322.96 629,015.30 70°18'48.462 N 148°57'15.813 W 11,790.13 91.38 159.70 8,788.43 4,293.34 -2,615.92 5,965,285.49 629,027.43 70°18'48.092 N 148°57'15.478 W 11,815.67 91.91 155.06 8,787.70 4,269.78 -2,606.11 5,965,262.11 629,037.66 70°18'47.860 N 148°57'15.191 W 11,845.17 92.03 150.51 8,786.68 4,243.57 -2,592.63 5,965,236.14 629,051.59 70°18'47.602 N 148°57'14.798 W 11,877.35 90.49 146.08 8,785.97 4,216.21 -2,575.72 5,965,209.08 629,068.97 70°18'47.333 N 148°57'14.304 W 11,905.09 89.51 141.45 8,785.97 4,193.84 -2,559.33 5,965,187.00 629,085.75 70°18'47.113 N 148°57'13.826 W 11,938.63 89.63 137.04 8,786.23 4,168.44 -2,537.44 5,965,161.99 629,108.08 70°18'46.864 N 148°57'13.187 W 11,970.27 89.48 132.01 8,786.47 4,146.26 -2,514.89 5,965,140.21 629,131.01 70°18'46.646 N 148°57'12.529 W 12,000.15 89.60 127.53 8,786.71 4,127.15 -2,491.93 5,965,121.51 629,154.30 70°18'46.458 N 148°57'11.859 W 12,030.31 90.25 122.88 8,786.75 4,109.77 -2,467.30 5,965,104.56 629,179.24 70°18'46.287 N 148°57'11.140 W 12,060.19 90.46 118.49 8,786.57 4,094.53 -2,441.61 5,965,089.77 629,205.19 70°18'46.137 N 148°57 10.391 W 12,090.25 90.74 120.40 8,786.25 4,079.75 -2,415.43 5,965,075.46 629,231.62 70°18'45.992 N 148°57'9.627 W 12,120.19 90.28 125.49 8,785.98 4,063.47 -2,390.32 5,965,059.63 629,257.01 70°18'45.832 N 148°57'8.894 W 12,150.15 90.77 130.71 8,785.71 4,045.00 -2,366.75 5,965,041.56 629,280.90 70°18'45.650 N 148°57'8.207 W 12,180.17 91.01 135.28 8,785.24 4,024.53 -2,344.80 5,965,021.49 629,303.20 70°18'45.449 N 148°57'7.566 W 12,210.29 91.26 140.38 8,784.65 4,002.22 -2,324.59 5,964,999.54 629,323.80 70°18'45.230 N 148°57'6.977 W 12,250.43 90.89 146.55 8,783.89 3,969.99 -2,300.71 5,964,967.73 629,348.24 70°18'44.913 N 148°57'6.280 W 12,280.39 89.91 152.87 8,783.68 3,944.13 -2,285.61 5,964,942.15 629,363.79 70°18'44.658 N 148°57'5.839 W 12,310.43 90.34 156.96 8,783.62 3,916.93 -2,272.87 5,964,915.18 629,377.00 70°18'44.391 N 148°57'5.467 W 12,340.45 90.15 161.41 8,783.49 3,888.88 -2,262.21 5,964,887.32 629,388.15 70°18'44.115 N 148°57'5.156 W 12,370.23 89.69 165.70 8,783.53 3,860.32 -2,253.78 5,964,858.92 629,397.08 70°18'43.834 N 148°57'4.910 W 12,400.29 89.97 170.27 8,783.62 3,830.93 -2,247.52 5,964,829.64 629,403.85 70°18'43.545 N 148°57'4.727 W 11/28/2011 1:14:38PM Page 3 COMPASS 2003.16 Build 73 BAKER HUGHES Survey Report-Geographic 0 bp INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well U-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB U Pad MD Reference: U-12A @ 76.53ft(Nabors 7ES) Well: U-12 North Reference: True Wellbore: U-12AL1 Survey Calculation Method: Minimum Curvature Design: U-12AL1 Database: EDM.16-ANC Prod-WH24P Survey Measured TVD Below Map Map Depth Inclination Azimuth System +N/-S +E/-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 12,430.09 89.63 174.49 8,783.72 3,801.40 -2,243.57 5,964,800.19 629,408.31 70°18'43.255 N 148°57'4.611 W 12,460.45 89.66 177.70 8,783.91 3,771.12 -2,241.51 5,964,769.94 629,410.91 70°18'42.957 N 148°57'4.551 W 12,493.55 88.86 173.17 8,784.34 3,738.13 -2,238.87 5,964,737.01 629,414.12 70°18'42.633 N 148°57'4.474 W i 12,526.07 87.35 168.92 8,785.42 3,706.03 -2,233.82 5,964,705.01 629,419.74 70°18'42.317 N 148°57'4.326 W 12,550.53 84.69 166.05 8,787.11 3,682.22 -2,228.53 5,964,681.29 629,425.44 70°18'42.083 N 148°57'4.172 W 12,581.81 79.68 165.25 8,791.37 3,652.20 -2,220.85 5,964,651.42 629,433.64 70°18'41.788 N 148°57'3.947 W 12,610.57 77.17 161.61 8,797.14 3,625.21 -2,212.82 5,964,624.57 629,442.15 70°18'41.522 N 148°57'3.713 W 12,640.55 76.28 156.11 8,804.03 3,598.00 -2,202.31 5,964,597.56 629,453.14 70°18'41.254 N 148°57'3.406 W' 12,670.57 75.77 151.46 8,811.28 3,571.87 -2,189.44 5,964,571.66 629,466.45 70°18'40.998 N 148°57'3.031 W' 12,703.27 74.19 144.61 8,819.76 3,545.09 -2,172.74 5,964,545.18 629,483.62 70°18'40.734 N 148°57'2.543 W 12,738.71 73.56 139.03 8,829.61 3,518.34 -2,151.71 5,964,518.81 629,505.12 70°18'40.471 N 148°57'1.929 W 12,770.21 76.28 135.79 8,837.81 3,495.96 -2,131.13 5,964,496.79 629,526.09 70°18'40.251 N 148°57'1.329 W 12,800.28 79.70 134.59 8,844.07 3,475.10 -2,110.40 5,964,476.30 629,547.18 70°18'40.046 N 148°57'0.724 W 12,830.48 82.77 136.70 8,848.67 3,453.76 -2,089.54 5,964,455.33 629,568.41 70°18'39.836 N 148°57'0.115 W 12,860.28 85.03 139.47 8,851.84 3,431.71 -2,069.75 5,964,433.63 629,588.58 70°18'39.619 N 148°56'59.538 W 12,900.30 87.39 144.23 8,854.48 3,400.32 -2,045.09 5,964,402.68 629,613.78 70°18'39.311 N 148°56'58.819 W 12,931.56 89.72 145.97 8,855.27 3,374.69 -2,027.22 5,964,377.37 629,632.10 70°18'39.059 N 148°56'58.297 W 12,959.94 90.28 149.94 8,855.27 3,350.64 -2,012.16 5,964,353.59 629,647.57 70°18'38.822 N 148°56'57.858 W 12,990.38 90.80 152.57 8,854.98 3,323.96 -1,997.52 5,964,327.17 629,662.68 70°18'38.560 N 148°56'57.430 W 13,010.34 90.21 155.10 8,854.81 3,306.04 -1,988.72 5,964,309.41 629,671.79 70°18'38.384 N 148°56'57.174 W • 13,057.00 90.21 155.10 8,854.64 3,263.72 -1,969.08 5,964,267.44 629,692.17 70°18'37.968 N 148°56'56.600 W TD 11/28/2011 1:14:38PM Page 4 COMPASS 2003.16 Build 73 i f WELLHEAD= C IW U -I 2 A 3-1/2"CHROME BSSA NOTES: L ANGLE 70°@ 11086' *** ** r ACTUATOR= AXELSON PJC DRAFT L1 KB.ELEV= 77.47' BF.ELEV= 48.57' 27' I-4-1/2"X 3-1/2 PUP, ID=2.992" KOP= 3100' Max Angle=103°@ 14510' 2198' 1-13-1/2"HES X NIP, ID=2.813" Datum MD= 11058' Datum TVD= 8800'SS 2829' H 9-5/8"X 7"BKR ZXP LTP&HGR, ID=6.276" 13-3/8"CSG,72#,L-80, ID=12.347" - 2700' 1GAS LIFT MANDRELS 2 ST MD TVD DEV TYPE VLV LATCH PORT DATE Minimum ID = 1.920" @ 10904' ;44 4 3190 3185 52 MMG DMY RK 0 10/05/11 .' 3 6100 5497 45 MMG DMY RK 0 10/05/11 2.70" BKR DEPLOY SLEEVE �! �1 2 8541 7207 45 MMG DMY RK 0 10/05/11 1 10482'8528 14 MMG DMY RK 0 10/05/11 7"SCAB LNR,26#,L-80 BTC-M, -I 9715' �1 0383 bpf, ID=6.276" .•! -6097 I- FISH-BTT WHIPSTOCK(12/03/11) 2 9-5/8"CSG,47#, L-80, ID=8.681" -{ -9865 I----. 9715' -9-5/8"X 7"BKR ZXP LTP/HGR, 9-5/8"WHIPSTOCK --j 9930' &TIEBACK SEAL ASSY,ID=6.160" MILLOUT WINDOW(U-12A) 9865'-9885' 10541' 1-43-1/2"HES X NIP, ID=2.813" 10562' H3-1/2"H3-1/2"x4-112"XO, ID=2.940" .2 C 10564' 7"X 4-1/2"BKR S-3 PKR, ID=3.875" 10568' H4-1/2"X 3-1/2"XO, ID=2.940" 10589' H3-1/2"HES X NIP, ID=2.813" I 10610' H 3-1/2"HES XN NIP, ID=2.750" 3-1/2"TBG,9.2#,13CR-80 VAM ACE, 10622' 10622' 3-1/2"X 4-1/2"XO, ID=2.992" .0087 bpf, ID=2.992" ---1 10624' H4-1/2"WLEG, ID=3.958L1 TOP OF 4-1/2"LNR - 10632' 10632' I-7"X 5" BKR ZXP LNR TOP PKR, HGR w/TIEBACK SLV,ID=4.440" 7"LNR,26#, L-80 BTC-M, .0383 bpf, ID=6.276" -I 10815' 10656' I-5"X 4-1/2"XO, ID=3.990" PERFORATION SUMMARY , MILLOUT WINDOW(U-12AL1) 10872'- 10880' REF LOG: DGR DUAL GAMMA RAY ON 09/14/04 ANGLE AT TOP PERF:N/A 10904' 2.70"BKR DEPLOY SLV,ID=1.920" Note: Refer to Production DB for historical perf data SIZE I SPF I INTERVAL I Opn/Sqz I DATE SEE PAGE 2 FOR PERFORATION INFORMATION - -- --- I I I U-14AL 1 PBTD -I 14516' I, U-14* 2-3/8"BKR O RING, ID=1.00" 13036' 4-1/2"LNR, 12.6#,L-80 BTC-M, 14600' �•�•�•�� 2-3/8"LNR,4.7#,L-80 STL, .0039 bpf, ID=1.995" 13057' ♦••♦ .0152 bpf,ID=3.958" ••••4 DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 08/30/85 ORIGINAL COMPLETION WELL: U-12A 09/19/04 DAV/TLH SIDETRACK(U-12A) PERMIT No: 2041470/2111070 12/07/11 NORDIC 1 CTD ML STRCK(U-12A L1) API No: 50-029-21409-01(60) 12/09/11 PJC DRLG HO CORRECTIONS SEC 18,T11 N,R13E,462'FSL&2275'FEL BP Exploration(Alaska) U -12A L1 1441 t PERFORATION SUMMARY REF LOG: DGR DUAL GAMMA RAY ON 09/14/04 ANGLE ATTOPPERF:N/A Note:Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE U-12A 2" 6 11060- 11080 0 10/20/09 2" 6 11140- 11160 0 10/20/09 2-1/2" 6 11174- 11184 0 09/24/11 2 ►� 2-1/2" 6 11240-11260 0 09/21/11 2-1/2" 4 11350-11540 0 09/16/04 2-1/2" 4 11575-11675 0 09/16/04 2-1/2" 4 11970-12125 0 09/16/04 2-1/2" 6 12350- 12380 0 09/20/11 2-1/2" 6 12380- 12410 0 09/20/11 2-1/2" 4 12850- 12900 0 09/16/04 2-1/2" 4 13050- 13150 0 09/16/04 2-1/2" 4 13850- 13990 0 09/16/04 2-1/2" 4 14010- 14025 0 09/16/04 2-1/2" 4 14440- 14505 0 09/16/04 U-12AL1 2-3/8" SLTD 12461 - 13035 SLOT 11/28/11 whipsrvck 5 rill W�fl _L4AL1 •,•.•.• DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 08/30/85 ORIGINAL COMPLETION WELL: U-12A 09/19/04 DAV/TLH SIDETRACK(U-12A) PERMIT No: 2041470/2111070 12/07/11 NORDIC 1 CTD ML STRCK(U-12A L1) API No: 50-029-21409-01(60) 12/09/11 PJC DRLG HO CORRECTIONS SEC 18,T11 N,R13E,462'FSL&2275'FEL 4 _ BP Exploration(Alaska) i 4 RID Z UL.97o Regg, James B (DOA) From: Burnett, Richard D [burnr8@BP.com] Sent: Wednesday, November 30, 2011 5:37 PM l To: Regg, James B (DOA); Grimaldi, Louis R (DOA); DOA AOGCC Prudhoe Bay Cc: Daniel, Ryan; Kilfoyle, Jeffery A; McMullen, John C; Rossberg, R Steven; Cismoski, Doug A; Sheffrey, Tom (Fircroft); Schultz, Mikel; Willingham, James M; Bill, Michael L (ASRC); Ross, Matthew; Barker, Abbie; AK, D&C Rig Nordic 1 Well Site Leader; Mountford, Carl F Subject: BOPE usage form for U-12AL1 Attachments: Nordic 1 AOGCC BOPE Use Report 11-28-11.ZIP 8.3 Nordic 1 AOGCC BOPE Use Report... Jim- Attached please find the BOPE usage form for U-12AL1. Please let me know if I c<::n answer any questions or you need any further clarification. Thanks, Rich Rich Burnett Operations Superintendent RWO/CTD +1 (907) 659-5329 (Office - slope) +1 (907) 748-5821 (Cell Phone) Harmony 2157 Alternate: Greg Sarber 1 Blow Out Preventer Equipment ( BOPE ) Usage Report to the AOGCC The purpose of this document is to ensure timely reporting to the AOGCC of any BOPE use to prevent the flow of fluids from a well. Field Superintendent Name: Rich Burnett Wellsite Leader Name: Abbie Barker Contact Number: 659-5329 Contact Number: 659-4564 Traction Number: pending Well Location/Name & Rig Name: U-12AL1 / Nordic 1 Permit To Drill (PTD) Number: 211-107 Date and Time of Incident: 11/28/2011 at 0745-hrs Original Scope of Work: Drill lateral & install slotted /solid liner. Fish whipstock. Displace well to KCI freeze protect with diesel. Operational Description Leading up to Well Control Event: No well control event. Run liner. Prepare to clean whipstock tray. Personal H2S monitor alarmed outside rig. Alarm was Confirmed in pits by rig crew. Well shut in and rig evacuated. BOPE Used and Reason: Choke HCR & Upper 2" Combi-Rams closed to secure well for rig evacuatic to H2S in pits. Is a BOPE Test Required after use ( Yes / No): No If no, why? BOP was used only to secure well for evacuation. H2S was 17-ppm on the rig. No pressure observed at any time after shut in. 24 hour notice required to NS AOGCC Inspectors prior to testing BOPE components. Plan Forward: ERT to re-enter rig and confirm no H2S. Thaw rig and coil. Displace well to KCI. InspE coiled tubing for integrity and resume operations. Additional Comments: Email to AOGCC North Slope Inspectors within 24 hours of the incident: doa.aogcc.brudhoe.bavCa�alaska.gov Email CC List BP WSL Michael Bill Wells Team Leader Jeff Kilfoyle Engineering Team Leader Operations Drilling Engineer-Well File Wells Operations Manager Drilling & Completions Engineer Manager Wells Intervention Manager Ryan Daniel BOPE Usage Report for AOGCC Rev 1 September 1, 2010 HRE 1 1-3. h' J UiJ 6 = p pSEAN PARNELL,GOVERNOR ALASKA OIL ANI) GAS 333 W.7th AVENUE,SUITE 100 CONSERVATION COMMISSION ANCHORAGE,ALASKA 99501-3539 PHONE (907)279-1433 FAX (907)276-7542 John McMullen Engineering Team Leader BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU U-12AL 1 BP Exploration (Alaska), Inc. Permit No: 211-107 Surface Location: 463' FSL, 2276' FEL, SEC. 18, Ti1 N, R13E, UM Bottomhole Location: 3778' FSL, 4356' FEL, SEC. 18, T11N, R13E, UM Dear Mr. McMullen: Enclosed is the approved application for permit to re-drill the above referenced development well. The permit is for a new wellbore segment of existing well PBU U-12A, Permit No 204- 147, API 50-029-21409-01. Production should continue to be reported as a function of the original API number stated above. This permit to drill does not exempt you from obtaining additional permits or an approval required by law from other governmental agencies and does not authorize conducting drilling operations until all other required permits and approvals have been issued. In addition, the Commission reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the Commission specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a Commission order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, Daniel T. Seamount, Jr. Chair DATED this 2 day of September, 2011. cc: Department of Fish & Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o end. (via e-mail) STATE OF ALASKA RECEIVED ALAS. OIL AND GAS CONSERVATION COMM` 'ON AUG 2 9 2011 .�f PERMIT TO DRILL Y-.14,v/ 20 AAC 25.005A�� /� G....,�,. la.Type of work: 1 b.Proposed Well Class: ®Development Oil 0 Service-Winj 0 Single Zone MOONY' IfRstprvpeertgan�li05 ❑ Drill ®Redrill 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed( IJ Hydrates ❑ Re-Entry 0 Exploratory 0 Service-WAG 0 Service-Disp Shale Gas 2. Operator Name: 5.Bond: ® Blanket 0 Single Well 11. Well Name and Number: BP Exploration(Alaska)Inc. Bond No. 6194193 PBU U-12AL1 • 3. Address: 6. Proposed Depth: 12.Field/Pool(s): P.O.Box 196612,Anchorage,Alaska 99519-6612 MD 12880 TVD 8830'ss Prudhoe Bay Field/Prudhoe 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Bay Oil Pool Surface: ADL 028283&047451 463'FSL,2276'FEL,SEC. 18,T11N, R13E, UM Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: 4766'FSL,438'FEL,SEC. 13,T11N, R12E, UM October 20,2011 Total Depth: 9.Acres in Property: 14.Distance to Nearest Property: 3778'FSL,4356'FEL, SEC. 18,T11N, R13E, UM 2560 23,812' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 76.53' feet 15.Distance to Nearest Well Open Surface: x- 631718 y-5961039 Zone- ASP4 GL Elevation above MSL: feet to Same Pool: 860' 16.Deviated Wells: Kickoff Depth: 10890 feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 93 degrees Downhole: 3259 Surface: 2379 18. Casing Program: Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight , Grade Coupling, Length MD TVD MD TVD (including stage data) 3" 2-3/8" 4.7# _ L-80 STL 1990' 10890' 8788' 12880' 8830'ss Uncemented Slotted Liner 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth ND(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured): 14600' 878F' None _ 14516' 8805' None Casing Length Size Cement Volume MD ND Conductor/Structural 110' 20"x 30" 8 cu vds Concrete 110' 110' Surface 2674' 13-3/8" 3719 cu ft CS Ill&II 2674' 2674' Intermediate 9869' 9-5/8" 2056 cu ft Class'G'.230 cu ft Class'G' 9869' 8126' Production Liner 7986' 7" 191 cu ft Class'G'. 1034 cu ft'G' 2829'-10815' 2828'-8741' Liner 3977' 4-1/2" 556 cu ft Class'G' 10623'-14600' 8618'-8786' Perforation Depth MD(ft): 11060'-14505'MD Perforation Depth ND(ft): 8877'-8808'ND 20.Attachments: 0 Property Plat ®BOP Sketch ®Drilling Program 0 Time vs Depth Plot 0 Shallow Hazard Analysis ®Diverter Sketch 0 Seabed Report ®Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foo-',oin. 's t29, correct. Co tact Matt Ross,564-5782 Printed Name Joh Jr leaf Title Engineering Team Leader Prepared By Name/NumberSignature Phone 564-4711 Date /' i Elizabeth Barker,564-5674 Commission Use Only Permit To l , API Number: 1 Permit pate: I See cover letter for Number: f>O� 50-029-2140940-00 (/C\ `1 other requirements Conditions of?Approval: If box is checked,well aopmay not be used to explore for,test,or produce coalbed methane,gas hydrates,or gas contained shales: Er Other: `�S«� Psi Gs -_�� �ll Samples Req'd: 0 es 'No Mud Log Req'd: 0 Yes 'No 44-ZsQ foss A., . -LW- (�r4 �41 L.) H2S Measures: ®Yes 0 No Directional Survey Req'd: V'Yes 0 No APaw APPROVED BY THE COMMISSION Z 11 Date COMMISSIONER Form 10-401 Revised 07 0'9 This permit is valid for 24 monthsice m the date of approval(20 AAC 25.005(g)) Submit In Duplicate 7(A GINAL To: Alaska Oil & Gas Conservation Commission From: Matthew Ross 0 b p CTD Engineer Date: August 29, 2011 Re: U-12A L1 Permit to Drill request Approval is requested for a permit to drill a CTD sidetrack from well U-12A. U-12 was originally drilled in 1985 as a conventional producer. Initial test rates were very encouraging. Various stimulation treatments were performed to increase production which lasted until 2004. In 2004 U-12 was sidetracked and the well has been trending towards higher water cuts. The proposed plan for well U-12A L1 is to sidetrack out of the U-12A 4-1/2" liner with a Coiled Tubing Drilling rig on or around October 20, 2011. The existing perforations will remain open. The sidetrack will exit the 4-1/2" liner in Zone 4 and drill a 3"hole targeting upper Zone 4 sands. CTD Sidetrack Summary Pre-Rig Work: (scheduled to begin October 1, 2011). 1. S Set DGLV's. 2. F MIT IA& OA. 3. S Dummy WS drift to 10,970' MD. 4. V PT MV, SV, WV. 5. D Bleed gas lift and production flowlines down to zero and blind flange. 6. 0 Remove wellhouse, level pad. 7. V Set TWC—24hr prior to rig arrival. Rig Work: (scheduled to begin on October 20, 2011). 1. MIRU and test BOPE to 250 psi low and 3500 psi high. Pull TWC. 2. Set whipstock at 10,870' MD. 3. Mill 2.74"window at 10,870' MD and 10' of rathole. 4. Drill Build: 3" OH, 756' (25°/100). • 5. Drill Lateral: 3" OH, 1254' (12°/100). ' 6. Run 2-3/8" slotted liner from 10,890'-12,880' MD. • 7. Fish whipstock at 10,870' MD./ • 7, 8. Freeze protect well, set BPV and RDMO. • Post-Rig Work: 1. Re-install wellhouse and FL's. 2. Run generic GLV's. 3. ASRC flowback. Mud Program: • Well kill: 8.4 ppg brine. • Milling/drilling: 8.6 ppg QuikDriln mud for milling window and drilling. , Disposal: • All drilling and completion fluids and all other Class II wastes will go to Grind& Inject. • All Class I wastes will go to Pad 3 for disposal. Hole size: 3" Casing Program: • 2-3/8" 4.7#, L-80, STL slotted liner 10,890'-12,880' MD. Well Control: • BOP diagram is attached. • Pipe rams, blind rams and the CT pack off will be pressure tested to 250 psi and to 3500 psi. • The annular preventer will be tested to 250 psi and 3500 psi. Directional: • See attached directional plan. Maximum planned hole angle is 92.76°. • Magnetic and inclination surveys will be taken every 30 ft.No gyro will be run. ' • Distance to nearest property—23,812 ft. • Distance to nearest well within pool—860ft to U-02A. Logging: • MWD directional, Gamma Ray and resistivity will be run over all of the open hole section. Anti-Collision Failures: • N-11 — 1,213 ft ctr-ctr; S/I for evaluation. • U-01 —591 ft. ctr-ctr; Long term shut in. • U-02A PB 1 —452 ft ctr-ctr; Parent well is a long term shut in. Hazards: • No planned fault crossings. • The maximum recorded H2S level on U pad was 150 ppm on well U-09 on 3/8/2011. • Lost circulation risk is considered low for this well due to unforeseen fault crossings. Reservoir Pressure: • The reservoir pressure on U-12A is expected to be 3259 psi at 8,800' TVDSS. (7.2 ppg equivalent). • Maximum expected surface pressure with gas (0.10 psi/ft)to surface is 2379 psi. Matthew Ross CTD Engineer CC: Well File Sondra Stewman/Terrie Hubble TREE= CAMERON WELLHEAD= 4" U 12 A SA_ (NOTES: 70°@ 11100' 90°@ 12629' ACTUATOR= AXELSON ***3-1/2"CHROME TBG*** KB.ELEV= 77.07' BF.ELEV= 48.57' - - l J_ 27' H4-1/2"X 3-1/2"XO, ID=3.598" KOP= 3100' Max Angle= 103 @ 14600' Datum MD= 11067 ' ' 2198' H3-112"HES X NIP, ID=2.813" Datum TVD= 8800'SS 13-3/8"CSG,72#,L-80, ID=12.347" —I 2700' 2829' H 9-5/8"X 7"BKR ZXP LTP&HGR,ID=6.276" 2 .. GAS LIFT MANDRELS I 4 ST MD TVD DEV TYPE VLV LATCH PORT DATE Minimum ID = 2.75" @ 10610' .4 ., 4 3190 3185 52 MMG DOME RK 16 05/13/11 3-1/2" HES XN NIPPLE '44 t .; 3 6100 5496 45 MMG DOME RK 16 05/13/11 '. .' 2 8541 7207 45 MMG DOME RK 16 05/13/11 '/ .. 1 10482 8528 14 MMG SO RK 22 05/13/11 7"SCAB LNR,26#,L-80, --I 9715' 4 t .0383 bpf, ID=6.276" .� 0, 9715' H 9-5/8"X 7"BKR SLZXP LTP HGR, w/TIEBACK SEAL ASSY,ID=6.160" 9-5/8"WHIPSTOCK —I 9930' PERFORATION SUMMARY MILLOUT WINDOW(U-12A) 9865'-9885' REF LOG:????ON XX/XX/XX *P� ANGLE AT TOP PERF:68°@ 11060' Note:Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE 2" 6 11060- 11080 0 10/20/09 2" 6 11140- 11160 0 10/20/09 2-1/2" 4 11350-11540 0 09/16/04 10541' I— 3-1/2"HES X NIP,ID=2.813" 2-1/2" 4 11575-11675 0 09/16/04 ►=� 10562' H 3-1/2"X 43--11//22,','XO,ID=2.940" 2-1/2" 4 11970-12125 0 09/16/04 2-1/2" 4 12850- 12900 0 09/16/04 I C10564' H 7"X 4-1/2"BKR S-3 PKR,ID=3.875" 2-1/2" 4 13050- 13150 O 09/16/04 2-1/2" 4 13850- 13990 O 09/16/04 10568' HI-143--111/22,',' 4-1/2"X XO,ID=2.940" 2-1/2" 4 14010- 14025 0 09/16/04 2-1/2" 4 14440-14505 0 09/16/04 1�.�.�.�1�.�.�.t 141���......0 ,.'.'.'.'...t 10589' H 3-1/2"HES X NIP,ID=2.813" 40 9-5/8"CSG,47#,L-80,ID=8.681" —I 10680' O����%���v�� ed Pa 10610' H3-1/2"HES XN NIP,ID=2.750" 10622' H3-1/2"X 4-1/2"XO,ID=2.992" I 3-1/2"TBG,9.2#,13CR, .0087 bpf, ID=2.992" --I 10622' I 1 10625' 4-1/2"WLEG,ID=3.958" 10623' 17"X 5" BKR ZXP LNR TOP PKR, HGR w/TIEBACK SLV, ID=4.420" 7"LNR,26#,L-80,.0383 bpf,ID=6.276" —I 10815' , 10656' 5"X 4-1/2"XO,ID=3.990" I I PBTD —I 14516' I :��.4 i TREE= CAMERON WELLHEAD= 4" u -12 A L.1 S/"3 1/2'NCOH ES: 700E @*11100'&90°@ 12629' ACTUATOR= AXELSON KB.ELEV= 77.07' Proposed CTD Sidetrack BF.ELEV= 48.57' l )— 27' H4-1/2"X 3-1/2"XO, ID=3.598" KOP= 3100' Max Angle= 103 @ 14600' Datum MD= 11067 ' I 2198' —3-1/2"HES X NIP, ID=2.813" Datum TVD= 8800'SS 2829' I—9-5/8"X 7"BKR ZXP LTP&HGR,ID=6.276" 13-3/8"CSG,72#, L-80, ID=12.347" —I 2700' 1-11 E GAS LIFT MANDRELS Minimum ID = 2.75" 10610' f11 ST MD TVD DEV TYPE VLV LATCH PORT DATE iv..i 4 3190 3185 52 MMG DOME RK 16 05/13/11 • 3-1/2" HES XN NIPPLE 1 3 6100 5496 45 MMG DOME RK 16 05/13/11 ., 2 8541 7207 45 MMG DOME RK 16 05/13/11 •• 1 10482 8528 14 MMG SO RK 22 05/13/11 7"SCAB LNR,26#,L-80, — 9715' ' t .0383 bpf, ID=6.276" e, 9715' k 9-5/8"X 7"BKR SLZXP LTP HGR, W/TIEBACK SEAL ASSY, ID=6.160" 9-5/8"WHIPSTOCK —I 9930' MILLOUT WINDOW(U-12A) 9865'-9885' PERFORATION SUMMARY REF LOG:^92?ON XX/XX/XX ANGLE AT TOP PERF:68°@ 11060' Note:Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE 2" 6 11060-11080 0 10/20/09 2" 6 11140-11160 0 10/20/09 2-1/2" 4 11350 11540 0 09/16/04 10541' —3-1/2"HES X NIP, ID=2.813" 2-1/2" 4 11575 11675 0 09/16/04 ►=� 10562' I—3-1/2"X 4-1/2"XO, ID=2.940" 2-1/2" 4 11970-12125 0 09/16/04 il 2-1/2" 4 12850-12900 0 09/16/04 1 "` �� 10564' 7"X 4-1/2"BKR S-3 PKR, ID=3.875" 2-1/2" 4 13050-13150 0 09/16/04 2-1/2" 4 13850 13990 0 09/16/04 10568' —4-1/2"X 3-1/2"XO,ID=2.940" 2-1/2" 4 14010-14025 0 09/16/04 A 2-1/2" 4 14440-14505 0 09/16/04 1�� OT ���... $ ? j , 10589' 3 1/2"HES X NIP, ID=2.813" 9-5/8"CSG,47#,L-80, ID=8681" H 10680' MAks '�ee, • 10610' —3-1/2"HES XN NIP, ID=2.750" 10622' I—3-1/2"X 4-1/2"XO, ID=2.992" 3-1/2"TBG,9.2#,13CR,.0087 bpf, ID=2.992" H 10622' ' 10625' —4-1/2"WLEG, ID=3.958" Cil 10623' I–7"X 5" BKR ZXP LNR TOP PKR, HGR w/TIEBACK SLV, ID=4.420" 7"LNR,26#,L-80, .0383 bpf, ID=6.276" H 10815' 10656' —5"X 4-1/2"XO, ID=3.990" v KOP @ —10,870' ' TD @ —12,880' WS pulled 51 degrees 2-3/8" 4.7# L-80 slotted liner • PBTD — 14516' dropped off outside window 4-1/2"LNR, 12.6#, L-80, .0152 bpf, ID=3.958" H 14600' "'" DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 08/30/85 ORIGINAL COMPLETION WELL: U-12A 09/19/04 DAV/TLH SIDETRACK(U-12A) PERMIT No: 2041470 10/20/04 SGS/TLH GLV C/O API No: 50-029-21409-01 11/10/08 KJB/SV GLV C/O(10/30/08) SEC 18,T11N,R13E 10/24/09 MV/PJC PERFS(10/20/09) 05/16/11 GJB/PJC GLV C/O(5/13/11) BP Exploration(Alaska) u Z3 Z N D M W i N O M O O Zo V O n o N 0 cb O n Zo C n Z a NI- Z 0 Cr) a 0 Lu c _ n N N = C `° 3 a° u a m e 'O U m Z N O I O J n (J < J a' m d T„ d • .E S m c' c Cl.) a ' ° c o CD J J 0 7 O u if co c in d o J J 0 -.5 N a. . o Q 2. ° N m ;3 ° .o O q V m E m in ` u m a o o .m h- m 0 a a = c CO 0 0 0 ° .h- gt m CO l n o 0 0 m c2 % v o o „ >C> z 3 CO J F '2 Z N 0 N o r a co o O o 0 01 t CD o ''I a; co 0 0 H O o n 0 Ce CD CO h Q a m _a C 0 .E (n = a Q F 0 CL .0 0 3 ._ o W a o t o m ISI m M � N LI N m 6 'O Wc co co N N t c re O) R c ci t c O) O dl G L c . 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Q 1 1i U I °1 ' w U • re Z I 1 1 1 ► 1 ...1I ' a =4110LIII:11 I in�� ILII � I� $ A 1 I I' � o viorgio 1 1 I� 2 1 � 11 a g 1@ 1 ri ui Ia s 1,1=11 q 1 Y Alaska Department of Natural Resources Land Administration System Page 1 of 1 ipper Land Records/Status Plats Recorder's Search State Cabins Natural Resources 1 find Alaska DNR Case Summary File Type: ADL File Number. 28283 6 Printable Case File Summar_. See Township,Range,Section and Acreage? J Yes No I New Search LAS Menu I Case Abstract I Case Detail I Land Abstract File: ADL 28283 map Search for Status Plat Updates As of 08/30/2011 Customer: 000107377 BP EXPLORATION(ALASKA)INC PO BOX 196612/900 E.BENSON BL ATTN:LAND MANAGER-ALASKA ANCHORAGE AK 995196612 Case Type: 784 OIL&GAS LEASE COMP DNR Unit: 780 OIL AND GAS File Location:DOG DIV OIL AND GAS Case Status:35 ISSUED Status Date: 08/19/1965 Total Acres: 2480.000 Date Initiated:05/28/1965 Office of Primaty Responsibility:DOG DIV OIL AND GAS Last Transaction Date: 12/04/2006 Case Subtype: NS NORTH SLOPE Last Transaction:AA-NRB ASSIGNMENT APPROVED Meridian: U Township: Ol1N Range: 013E Section: 17 Section Acres:640 Search Plats Meridian: U Township: 011N Range: 013E Section: 18 Section Acres:599 Meridian: U Township: 011N Range: 013E Section: 19 Section Acres:601 Meridian: U Township: 011N Range: 013E Section: 20 Section Acres:640 Legal Description 05-28-1965 ***SALE NOTICE LEGAL DESCRIPTION C14-94 T11 N-R13E-UM 17,18,19,20 248a00 End of Case Summary Last updated on 08/30/2011. Not sure who to contact?Have a question about DNR?Visit the Report technical problems with this page to the . Site optimized for Netscape 7, IE 6 or above. This site also requires that all must be accepted. State of Alaska Natural Resources LAS Home Copyright Privacy System Status http://dnr.alaska.gov/proj ects/las/Case_Summary.cfm?FileType=ADL&FileNumber=2828... 8/30/2011 Alaska Department of Natural resources Land Administration System Page 1 of, J Alaska Mapper Land Records/Status Plats Recorder's Search State Cabins Natural Resources I tind Alaska DNR Case Summary File Type: ADL File Number. 47451 6 Printable Case File Summary See Township,Range,Section and Acreage? Yes No I New Search LAS Menu I Case Abstract I Case Detail I Land Abstract File: ADL 47451 maP Search for Status Plat Updates As of 08/30/2011 Customer: 000107377 BP EXPLORATION(ALASKA)INC PO BOX 196612/900 E.BENSON BL ATTN:LAND MANAGER-ALASKA ANCHORAGE AK 995196612 Case Type:784 OIL&GAS LEASE COMP DNR Unit: 780 OIL AND GAS File Location:DOG DIV OIL AND GAS Case Status:35 ISSUED Status Date: 09/30/1969 Total Acres: 2560.000 Date Initiated:08/11/1969 Office of Primary Responsibility:DOG DIV OIL AND GAS Last Transaction Date: 12/04/2006 Case Subtype: NS NORTH SLOPE Last Transaction:AA-NRB ASSIGNMENT APPROVED Meridian: U Township: O11N Range: 012E Section: 13 Section Acres:640 Search Plats Meridian: U Township: O11N Range: 012E Section: 14 Section Acres:640 Meridian: U Township: 011N Range: 012E Section: 23 Section Acres:640 Meridian: U Township: 011N Range: 012E Section: 24 Section Acres:640 Legal Description 08-11-1969***SALE NOTICE LEGAL DESCRIPTION*** C23-036 T11N-R12E-UM GENERAL 13 640.00 ALL 14 640.00 ALL 23 640.00 ALL 24 640.00 ALL TOTAL ACRES-2560.00 04-01-1977****UNITIZED AND LEASE LEGAL DESCRIPTION******** ENTIRE LEASE COMMITTED TO PRUDHOE BAY UNIT PRUDHOE BAY UNIT TRACT 56 T. 11 N.,R. 12 E., UMIAT MERIDIAN, ALASKA http://dnr.alaska.gov/projects/las/Case Summary.cfm?FileType=ADL&FileNumber 4745... 8/30/2011 OVERSIZED DOCUMENT INSERT This file contains one or more oversized documents. These materials may be found in the original hard file or check the parent folder to view it in digital format. TRANSMITTAL LETTER CHECKLIST WELL NAME .PG./ L/-/o?,4L/ PTD# Development Service Exploratory Stratigraphic Test Non-Conventional Well FIELD: 7.z!/'MoE' Y POOL: ,e6'd�DL'7rAVY OG Circle Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK ADD-ONS WHAT (OPTIONS) TEXT FOR APPROVAL LETTER APPLIES MULTI LATERAL The permit is for a new wellbore segment of existing well ?::erd 4/ / '41 (If last two digits in Permit No.o7OOJ4(7 ,API No. 50-CZE p4/169GY -Gid. API number are between 60-69) Production should continue to be reported as a function of the original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well name ( PH) and API number (50- - - ) from records, data and logs acquired for well SPACING The permit is approved subject to full compliance with 20 AAC EXCEPTION 25.055. Approval to perforate and produce / inject is contingent upon issuance of a conservation order approving a spacing exception. assumes the liability of any protest to the spacing exception that may occur. DRY DITCH All dry ditch sample sets submitted to the Commission must be in SAMPLE no greater than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Non-Conventional Please note the following special condition of this permit: Well production or production testing of coal bed methane is not allowed for (name of well) until after (Company Name) has designed and implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name)must contact the Commission to obtain advance approval of such water well testing program. Rev: 1/11/2008 FT � , o (O (n 3 G) CO cD° N ':r m ( n. o o 0 0 c) O 0 -4 ,73 o f N .w. 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