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2011 Endicott Oil Pool
Emeka Emembolu Head of Base Management BP Exploration Alaska March 31, 2012 Cathy Foerster Commissioner and Chair Alaska Oil and Gas Conservation Commission 333 W. 7th Ave #100 Anchorage, Alaska, 99501-3539 0 by BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561 - 5111 Phone: (907) 564-5368 Fax: (907) 564-4440 Email emeka.emembolu@bp.com Web: www.bp com RE: Year End 2011 Endicott Oil Pool — Reservoir Surveillance Report Dear Mrs. Foerster: Attached is the 2011 annual Endicott Reservoir Surveillance Report. This report is a compilation of three reports tracking the Waterflood Surveillance Program, the Key Well Pressure Program, and the Gas -Oil Contact Monitoring Program. Should you have any questions or require additional information, please contact Katrina Cooper (907) 564-4212 or Jamie Weinburger at (907) 564-5368. Sin rely, C' Emeka Emembolu CC" Bill Barron, DNR R. L. Skillern, BP Endicott File 2011 Reservoir Surveillance Report Endicott Oil Pool March 31, 2012 Waterflood Surveillance Program Key Well Pressure Monitoring Program GOC Monitoring Program Endicott Oil Field 2011 Waterflood Surveillance Program In+rnrii irrtinn Conservation Order 202 Rule 12 approved a field wide waterflood project for the Endicott reservoir. The waterflood was to be implemented within two years of regular production and a waterflood plan submitted three months before actual water injection began. By letter, dated June 15, 1988, the plan to implement the field wide waterflood was approved and semi-annual pressure maintenance project reports stipulated. The Endicott Waterflood development was recognized as complete and fully operational by letter, dated January 11, 1991, and annual waterflood surveillance reporting was approved. This document constitutes the report for 2011. Proiect Status Summary Endicott Field production began in October 1987. From field start-up, produced gas has been reinjected back into the existing gas cap to provide pressure support. Water injection was initiated in February 1988, and a tertiary recovery process was initiated with the installation of a miscible injection compressor and commencement of miscible injection in March 1999. This report summarizes the cumulative effects of pressure maintenance since field start-up and details activities in 2011. The Endicott Field is generally described as having three areas. The three areas of the field are fault blocks identified as the MPI (Main Production Island), the SDI (Satellite Drilling Island), and the NFB (Niakuk Fault Block). Vertically there are six subzones (3C, 313, 3A, 213, 2A, 1) that are the general geological subdivisions within the Kekiktuk formation. Initially, produced gas was reinjected into the gas cap in the updip portion of MPI subzones 2A and 2B. Gas injection was extended into the MPI subzone 3A gas cap in May 1988 and into the MPI and the SDI subzone 3C gas cap in 1993. Reservoir studies subsequently identified the SDI 3C area as a primary EOR target and supported the decision to reduce immiscible gas injection in that subzone. In July 1998, SDI 3C gas injector 1-15/P-25 was shut-in. From July 1998 to June 2010, well 1-15/P-25 was returned to service on numerous occasions while wellwork was planned and executed on the primary gas injectors. In June 2011 well 1-15/P-25 failed an MIT -IA and was shut in for tubing by inner annulus communication. Non -rig attempts to restore integrity have failed 2 Infection Well Performance Table 3 provides an overview of the performance of each of the pressure maintenance injectors. Included in this exhibit are the start-up dates and cumulative injection volumes. Appendix 3 provides graphs of the injection rates, injectivity index, and wellhead pressure versus time for each injector. Waterflood Tracer The waterflood tracer program was started in 1988. A total of 28 water injectors have been traced: 3 in 1988, 8 in 1989, 6 in 1991, and 3 in 1996 (well 2-44/R-12 was traced with two different tracers), 2 in 2005, 1 in 2007, 3 in 2008 (well 3-35/L-36 was traced with four different tracers), 1 in 2009 (well 3-35/L-36) and 1 at the end of 2011 (Well 3-01/N-29). The program has been very successful in identifying the progress of the waterflood as depletion matures. Numerous interventions have been implemented on producers and injectors to improve ultimate recovery. Based on the maturity of the waterflood tracer program, the decision was made to discontinue sampling efforts on all producers except for those immediately offset to injector 3-01/N-29. Figure 2 is an Endicott well plat showing the tracer data for the LoSaITM Pilot. It includes the dates and types of tracers injected and the producing locations where the tracer has appeared. For information on the waterflood tracer programs completed prior to 2011, reference the 2009 Endicott Surveillance Report. Reservoir pressure and gas and water movement will continue to be closely monitored through logging, mechanical isolations, and well testing. Changing pressure maintenance needs will continue to be met by evaluating converting producers to injectors, profile modification of existing injectors, and target injection rate control. Offtake will continue to be optimized by evaluating remedial work on existing producers and production rate control. M TABLE 1 ENDICOTT OIL POOL SUMMARY OF PERTINENT DATA (as of December 31, 2011) Water Injection Start-up: February 29, 1988 Miscible Gas Injection Start-up: March 24, 1999 Endicott Production since Field Start -Up: Black Oil and Condensate (MMSTB) 458.8 NGL's (MMSTB) 24.9 Gas (BSCF) 2720.3 Water (MMB) 1203.9 Endicott Injection since Field Start -Up: Gas (BSCF) 2414.2 Miscible Injectant (BSCF) 35.2 Water (MMB) 1583.0* Wells in Operation during the month of December 2011: Oil Producers 50 Gas Injectors 4 Water Injectors 19 Water -Alternating -Gas Injectors 1 Waste Water Disposal 0__** Total 74 Water injection volumes do not include Cretaceous injection Cretaceous injector not shown in Figure 1 G1 Table 3 Pages 8 & 9 Endicott Oil Pool Injection Well Data Through 12/31/2011 MPI Reservoir Area Cumulative Water Well Name MMBW 1-05/0-20 1-23/0-15 1-37/P-24 1-41/0-23 2-06/J-22 2-12/Q-16 2-16/M-16 2-22/L-14 2-24/M-12 2-34/P-14 2-44/R-12 2-54/Q-12 2-64/U-10 2-70/U-15 5-01/SD-07 5-02/SD-10 92.4 33.5 78.8 103.1 71.7 4.8 98.5 20.8 107.8 15.2 22.4 79.2 Cumulative Cumulative Gas MI Start -Up BSCFG BSCFG Date 558.7 May -88 Mar -95 Dec -87 Dec -95 687.9 Oct -87 349.0 Apr -93 Mar -89 4.7 May -89 Mar -95 Nov -89 Mar -89 Jan -92 Dec -90 0.6 Jul -89 662.1 Oct -87 Jan -88 8 0 U C m 11 Ll (o �C M N N N �g O h 4-0 cu 8 �L O -T x. x L1J m 0 0 J N m � (6 cu Q ——i _0 N LL I 4- 0 : U .0 La ��Q ir��ncL v L - C LU QU0 43 Y —9--- M1AW C S cu a a a a+ a r L O ^L I..L L CD y a °'C L's U (6 }g L irf�D/!i!H p� LL reservoir pressure surveys. Generally speaking there is good agreement between the key well reservoir pressures and other pressure gathered around the field. There are a few exceptions where wells are in small pressure isolated regions. 2012 Pressure Monitoring Program The Endicott Key Well Pressure Monitoring Program has been successful in establishing and monitoring pressure trends within each of the major subzones. Changes in well service and configuration occasionally necessitate changes to the pressure monitoring program in order to obtain representative data. As in previous years BPX plans to combine the MPI 3B and MPI 3C into a single pressure monitoring region. Only one well is completed in the MPI 3B interval and historic pressure data indicated reservoir pressures in the two intervals share a similar performance. Table 6 summarizes the 2011 Endicott key well pressure monitoring program proposal consisting of fifteen wells. As in past years, the amount of static pressure data obtained annually will likely exceed the fifteen wells included in the proposed 2011 Key Well Pressure Monitoring Program. At the operator's discretion, representative reservoir pressures gathered in other wells during 2011 may be substituted for the proposed key wells to minimize production impacts or for operational necessity. 12 2010 KEY WELL PRESSURE MONITORING PROGRAM PROPOSAL ENDICOTT FIELD TABLE 4 Well Area Subzone s Comments None Niakuk 2A No active producers or injectors in this zone 1-19/1-18 Niakuk 213 2-18/L-16 Niakuk 3A, 313 Commingled pressure 2-26/N-14 Niakuk 313, 3C Commingled pressure 3-25B/L-27 MPI 2A 1-61/Q-20 MPI 213 2-36/0-14 MPI 3A 2-52/S-14 MPI 313, 3C Commingled pressure 2-58/S-09 MPI 3C 3-39A/1-37 SDI 2A 3-15/K-33 SDI 213 4-32/K-38 SDI 3A Lower 3A monitor point 3-27/M-33 SDI 213, 3A, 313 Commingled pressure 4-28/N-37 SDI 313, 3C Eastern area - commingled 4-18/S-30 SDI 3C Central area 2-40/S-22 SDI 313, 3C Western area -commingled 14 2011 KEY WELL PRESSURE MONITORING PROGRAM PROPOSAL ENDICOTT FIELD TABLE 6 Well Area Subzone(s) Comments None Niakuk 2A No active producers or injectors in this zone 1-19/1-18 Niakuk 2B 2-18/L-16 Niakuk 3A, 313 Commingled pressure 2-26/N-14 Niakuk 3B, 3C Commingled pressure 3-25B/L-27 MPI 2A 1-61/Q-20 MPI 213 2-36/0-14 MPI 3A 2-52/S-14 MPI 313, 3C Commingled pressure 2-58/S-09 MPI 3C 3-39A/1-37 SDI 2A 3-15/K-33 SDI 213 4-32/K-38 SDI 3A Lower 3A monitor point 3-27/M-33 SDI 213, 3A, 313 Commingled pressure 4-28/N-37 SDI 313, 3C Eastern area - commingled 4-18/S-30 SDI 3C Central area 2-40/S-22 SDI 313, 3C Western area -commingled 16 2011 GOC Monitoring Program During 2011, two cased -hole neutron logs were acquired. These logs are routinely used for reservoir surveillance and diagnosing well problems in order to develop reservoir management plans and remedial interventions. The following are the wells from which the neutron logs were acquired during 2011: Well Location 1-47A/M-20 M P I 2-04/M-19 MPI In addition to the cased hole neutron logs run in 2011, a total of 5 production logs were acquired. These logs are routinely used to understand changes in zonal performance and consequently the need for remedial intervention. Following is a list of wells from which production logs were acquired during 2011. Well Location Well Location 4-10A/L-28 MPI 2-50/U-08 MPI 1-35/0-25 MPI 3-31 /K-32 SDI 2-04/M-19 MPI 2012 GOC Monitoring Program BPXA proposes a 2011 GOC Monitoring Program that consists of a notional five well program focusing on the 2A, 2B, and 3A intervals and to a lesser extent the 3B and 3C intervals. The 2A, 213, and 3A intervals have the highest potential for monitoring depletion and improving recovery through effective reservoir management and the identification of potential infill drill locations. Production logging and down -hole mechanical isolation of gas prone intervals also provide a means to monitor gas influx. Together, these tools constitute an effective means to monitor gas movement at Endicott and will be a part of future GOC Monitoring Programs. 18 Appendix 1 Production Rate versus Time Plots N O X o �O N O_ Y ..F .. ................................ .i i... ....... _ .... .......... . ..........K P .. j• ... ..._._._... - _ c ................. _ - .. ........ .... ........... rtE o :.... ..... ........ . ..... i...-........,'-- .... ........... 0 ,j.. ..:...:....p..... q........ q............... .......T............... ........ ......j... S.... p..�...j ........%�.....�. �...... E LO O I O =.. S...f.. 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I I 1 1 1 1 1 I 1 1 i 1 1 1 I i 1 1 1 1 1 1 1 II f 1 1 1 I i .1 11 i Ili I i i i 1 � II I ; 1 f { i i i i i I 1 1 1 1 t t 1 i i i i r 1 1 { [ N 1 1 1 � -------- .may.. .............. w`...__.._ -..w w�r-rrr.wrr...____..__7 ---------------- ----_______---------- IF [ 1 ( 1 1 I 1 ....w..rwr«. _.. _-__.. { _____.-.. r_---_ 1 __n_n___ _.. _ - 1 ------ _-• 1 _r.... _.--- 1 1 1 1 co cff- z c V `c M C d C oC N -C O a Q d c O D w N > H a J v Appendix 3 Injection Well Rate and Pressure versus Time Plots VI�Y/� J CL m 0 rn 0 co 0 r` 0 P U) i O 4 M 0 N o N o U) 0 X N C:) a _T CF) .! 0) U N �C W rn I ko LO a) m C) cli 0 a) .N .N a rn 0 _a U o Go f6 ca Go as c c O M O lC>t w [D 13T N (D .� �C I I 0 rn 0 co 0 r` 0 P U) O 4 M 0 N o N o U) 0 X N C:) a _T CF) .! 0) U N �C W rn I ko LO a) m C) cli 0 a) .N .N a rn 0 _a U o Go f6 ca Go as c c O M O lC>t w [D 13T N (D .� �C I I O U� 0 co 4 n O O 0 M O N N O _a 9 O Fx v � a� a_ rn rn r rn v rn rn N O) rn00 O OC) � U N 9 za W > m a c� ti x x w I I I . 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I I _ I - I I I I I I I I - n -moo c c � w c0 0 �1 U R1 N C C I I -- F- 0 Z W a w N J � a� aN ma ti M T" N N a� � N CL 9 a 0 x x a) m -0-0 C C .5 .5 U U m a� C C I I C, O co N N Q] V C7 O O O 00 O Q1 b r— P] O O C) U O �J M Q I O q O M I I _ I i Cl) O O N O O 0 b a) O rn m � W rn i ❑7 c� r. -� Q] N cn rn 07 ! � N N Q1 O rn h 7roo � o W co a : � � C a� C) co In co 0 rl N 00 O J t9 M O (O M T W) f0 ocl .co O O V co L N r r O J N N a� � N CL 9 a 0 x x a) m -0-0 C C .5 .5 U U m a� C C I I O O O 00 O r— O co U Q q M 0 N G O b O rn O W rn Q] cn rn 07 N Q1 O rn 7roo M W 00 r` w C) co In co 0 rl N N N a� � N CL 9 a 0 x x a) m -0-0 C C .5 .5 U U m a� C C I I O C Z� W � Qv1 i N - a� J � aM d N mO LO Q ai O O O O (O 0 0 v 0 O N Cl) O 17 4 O 13 C w U N C 0RE 0 I rn C) CD v rn M O N Q Q 0 rn d7 � N N (0 X X � -0-(D0 ry C C Ca L'7 F m O T Y C 'C I I 0 0 0 0 4 LO 0 Ln O N W M d LD N N C37 V O W-- =5 O 4 cod7 Q n Q rp 0 LO 0 0 0 M O N O O [7 O N rn a� rn sz Ln rn a w a 0 Cl) O I N O U r J I momT _N S4 2 ^C�7 4 (D co 0 co CY C) co v O N O _ co N LO Q ai O O O O (O 0 0 v 0 O N Cl) O 17 4 O 13 C w U N C 0RE 0 I rn C) CD v rn M O N Q Q 0 rn d7 � N N (0 X X � -0-(D0 ry C C Ca L'7 F m O T Y C 'C I I C C Ca L'7 F m O T Y C 'C I I 0 09 O r- CO O r - N ko O O C'? M N N ifl O 0 m 0 c 0 0 0 o LO 0 0 0 O a au m m al cc .y Q d. T 6� py cl VI � N 6] � T O � R] � J W Z c c . c N I- 00 m _^ r- (0 - J � [�•] q M O (D O N I- 0 O C7 N CV r ^ O J s • - i I 1 i i 1 I V I I x F- H 0 Z W 0 0 co 0 Q Q M O N Ci N Q n n C> un x c ar c 0 _G P- a) a) LO rn M N O O O W N ^a ago _a U � E � 00 a cD Oo x x av C C o In. to ry co o > > U U N N C C I I m 0 0 co 0 Q Q M O N Ci N Q n n C> un x c ar c 0 _G P- a) a) LO rn M N O O O W N ^a ago _a U � E � 00 a cD Oo x x av C C o In. to ry co o > > U U N N C C I I R Q cer N N r O r• O O I _ O M1 O 0 LO C3 o I M O a o i I - I co E M1 rn to .y d L OS d = CD M 67 [L r N N E O Ql 7a @ � �r J m� M1 CO - 0 0 o a o O d A O 0 p C3 O O Sp N c0 `7 N r .- O J N C 0 H m F- 0 N Q v X .N O � d co Cl - in N 00 � N f0 X X W (L) I� MO F- m iO c0 Cl) is] cis ti C•] N aO N LO O O m O co O I- 0 fO O CO O C' O M O N O a 0 0 co m r - CD a rn � T O � r 0 J r N .a 55 Ul (0 w o o a a o a J 1f7 O Lf': O lr] p LO N O J N Q v X .N O � d co Cl - in N 00 � N f0 X X W (L) Of 02 0-0 Z W QV1 � i N ' Q Go I.L T and a Cp COO (D m CnO m IN cW w v o a m 0 0 0 rn 0 0 v C> 0 0 n v v Ln v 0 v u� 0 v 0 M v 0 a M O N o N a CN O a 0 o 0 C) N C) _T .? a) � V CU C (1D co 1 Cp 61 Oi .y 4D 0) fl. LO rn m a c rn M rn N [A v a. Q] O 03 rn 'm �N ^ a M rn � y co a v rn N d N 00 ts 00 E x x � •C 00 vv c c M ZY r Ca a cV Co T Co V V N Q] O Q - - � J f co OD C a� m I'- m m CD o o a o v o n rr v n so N a m 0 0 0 v 0 v Ln v v 0 M a N o N a a o U) C) C) _T .? a) � V CU C co 1 Cp Oi 4D 0) LO rn c rn M rn N [A Q] O 03 �N ^ a co a v N d 00 ts 00 N a0 x x 00 vv c c M ZY r Ca a cV V V N Q] I I h O Q 4 O O O N Ln M � Rl O N r— O mum f I I F � O 1 I I I I 00 O I I I o I I O NIP LO _= 0 N 6 a a) I E m ti rn - i LO � I i � T . o N O U N E IC)Ca W I y 9 co CO C [• Ul lu O 7 0 O 0 O J b C Q O p CO N (O C.O O J co h mum - NIP tA � I _ 1 0 C) C~D Clp (DD M cn LO CD o0 d'] Y- I.t1 Cl) O s i r T 0 rn 0 i ~ i I fIffic W O I ~L t I 'a7 i t i O [D C. LO 0 v CD M a N 4 d a� rn Cn loo rn rn Q Lo O d =_ 1Y T I] r [p Q J r m axi c c d v Q7 N 1 I m CO J i? co O cP C7 M to CO QO �p 0 O N � O J N 0 0 4 f� 4 O LL7 O v 0 = M — o .N N O � C3 � X C) � o a O U N 'c 3 0 I rn ca O rS7 � a Oi N O d7 :N a0o a a a U m o a � w co a c� r` cc) I _ 1 s i r T i ~ i I fIffic I ~L t I 'a7 i t i m axi c c Q7 N 1 I CLa r mi N N d a a TT o� Cl) O O M 1ti Q n G M r7 c CH r O r r O co v v u� O a 0 M O F N O 0 E rn H rn _ -i f0 N n - to O1 a v h n M� cn 6] T @� O1 C � r N d C N c O 4 6 O O 4 0 o W o �' O N r J d a a TT C O H d V � Z (a W 4V1 � i J Cl a� a� ma lqtM N i 6 O p O O Io co N cq � G I I I rn CD _ - _ I I I o 0 0 I O I I I � o — { _ (h O f I I [ I o I I I O O U) co I � � .N a _ I f ti 7. C7 IX In g o � �r J N W 0 C n 2 @ a% } 7 @ n MKD O J m LO [A O O n LO CD J Lf) Cl) EM MEW 0 0 0 0 0 O n 0 L o a M (N CV U) O O O O 00 O O kO 0 M O 0 0 O O N O1 co m M1 O ID N n L a rn = v 2, rn 'm M rn i N O U En � C O O Q J W I N 7� 7 7. J C> d G7 O p Sp O [V Qi CO7 f�Q O M N t O O Cl) EM MEW O C O O O 00 O O (O 0 u -r 0 O M O .N N O E O } V7 X O O � C Z ) N .0 O I rn rn cr c� Cl) O N ^a � av 00 N � aco Q p7 y N El C7 x x � va G C co 0 M CV •> 3 t �J m W �C �C T O O M O O LO M I� Cl) LO N O N O LO O Q d Q O 0 Lf) Q V O co O N O O O O N 01 O 00 rn a) 0) N n Lo a I rn = � m rn � rn i N (I U y � O C — T CD O Co J rn 00 y Z Q 00 00 C a� m C', _ I- C� .— ��. I- u7 O (o W L7 (0 C) C0 In N O I -- O O O 00 O O (O 0 u -r 0 O M O .N N O E O } V7 X O O � C Z ) N .0 O I rn rn cr c� Cl) O N ^a � av 00 N � aco Q p7 y N El C7 x x � va G C co 0 M CV •> 3 t �J m W �C �C T I F- d 0- 02 —V2 M o r - c= (D m C7 (D Cl) IT (D O] CV V Cl) �T M (V Cv f~ O O D7 O Ip O f� O � ri � r� rrrrrrrrrrrrrrrrrrrrr � � 0 (D O - - T p � 4 I M 0 I - (v Q r ���fi ' o 0 E rn co w rn M N n - - in rn tl - i J•. O c i M cq I m` 1 p •� co y `n 'E' a� CO (p p O 7 toCD m CD p (O ca al� LO O (D J � ri � r� rrrrrrrrrrrrrrrrrrrrr � � ���fi o O Or N O O 00 M O to N N r rn o O rn O 1 i rn O I- 0 00 O to O LO O 1` O O 0 O O m O O N � In O O L O 7 lh O [Il {4 O mo X v c 0 O 0 m a� E rn � m rn 1- rn to rn co rn rn m q m m _ N N rn rn Ln (i O m .N C& CI) M— L } Z. 00p 67 � 00 y to [7 � IZ t N rn (0 vv c c m N r N E O N 0—) C 4) �C �C 1 O a � J N c C av � ^M J � O M O _ O to O N N J M O rn O 00 O I- 0 to O LO O O 0 m O O N � L O 7 [Il mo X v c m rn � m rn to rn m q m m m N rn rn O m .N C& CI) M— L 00p 00 y to IZ t (0 vv c c m N r O O N 4) �C �C 1 R., a a m a a n Ln ci say N N N a1 V D: i r a � I I 0) d _ 00 b i` C3 co C) LO CD O M a N 0 0 b C, a) E rn 0 1- > w m n rn to 01 a La m= CD 0 M� r N aM �a 01 CO -A co n a coco.� c w m r J [�h co 0 M co p n N a7 to CO C) r C) J :y d n to Q f00 N [Mr7 N N — W V O O [U N 0 CD 0 0 v rn a N 4 i t7 O O N W O I 67 03 03 .y QI — x T a O � N O _T � Q1 Q J cor N c B to ., C 0 W !� P7 O = O 6m1 N O O J :y d O C OR -- SOC w awn r� T+� a n M O n cj C7 LL7 CO [h DC7 G1 C`1 n Ca r7 N N u7 0 0 cn a w 0 r- 0 C3 0 LnQ v 0 0 N O O O O a� E rn H OD rn n rn 0) rn .75 Q L rn a �i m rs � rn � CL 61 �+ i3 tll � C O �l 7 67 J 0 N co m Q a c n � _^ J A a ' o 0 C Qv o o aGoo o�p COi Chi O J LO OR -- SOC w awn r� T+� a w awn r� T+� a H 6 O C U� 0-0 Z m W vQ1 , Qj i Cl) J � 0. C? m a M 11 Cl) O M h O M 000 N fo N 00 [�D O d O rn c� as 0 H a O [o 0 rn 0 u� 0 O a v a I- 0 0 0 m 0 dl CL v 0 0 ,It a � m 0 a) N 0 � _T 0 ❑1 U v N C N E co rn O] 61 rn M O N ❑1 67 m rn 0 rn y to rn N n Ln a N rn = x x 00 'O0 'Da) c c N Z, Z. l[7 A 'm C47 rn ❑ 01 0! CD Q I I M N O U N O — T O ❑ J 0 .n co 00 c `m I- 0 cc; T J L°J f�i O (O M O ❑ U) (O O LO O CV N r r ^ O N co 0 rn c� as 0 H a [o 0 u� a v a 0 0 N O dl CL v o � a) 0 � _T ❑1 U N C co rn Ln m rn M O N ❑1 67 0 rn y N a cm x x 00 'O0 'Da) c c N Z, Z. l[7 co O C47 01 0! CD Q I I Co 0 0 0 a p O CV C LO M 000 V 0 N N P- Q IA p G o 0 cim a a � to 0 Cho a In 0 r- 0 r� (a N p rn a 0 a v 0 t � p �- cn p N O o x a U Q1 C 3 Ir 0cn I p a� d'] U) N 61 41 p .N .y a CL 0 a U rn � rn � > N CL T [d X X CO -0 -0 c c C) m t7 OO C, _T _T U U N N C C I ' N �1 = g CD m J r N co d7 c . C r co aQ � E- C7 O (-- C7 O = (o [n 0 [o m Cp M p � O N (0 v N O IA p G o 0 cim r - a to 0 In 0 r� (a N p rn a � a t � p �- o x 61 U Q1 C 3 Ir 0cn I d'] N 61 41 p .N CO CL 0 a U � rn � > N CL X X CO -0 -0 c c C) m t7 OO C, _T _T U U N N C C I ' a cc 6) Ti 0-0 Z W V/ J 0 Q aN m a co 0 14 O co I- O c7 O co LO m C) o N N LO d:• 0 r a 0 O m a rn 0 0 a 0 n 0 0p 0 m 0 a o • t . I I d. 0 i — � 0 a k N O N O i I P � � I O b 0 j a) j c (3) LL C/)— > � U i a) C f � kv 0) O rn t k O a L= kT rn a M kr N kA Y) ! rn co 0 O p1 0� k cn � N O U � U P N CIO a E cccc � C x x ) a^a c C G M L�7 N @ N O kT T � I Q W J Y m P � co ., C a) W76 0 O O N O N zz�J I 0 a 0 m a 0 0p 0 a v Ci M a N O N Q' P � O o c LL � U a) C O rn t O L= kT M kr N kA Y) O p1 cn � 4 � � U P N CIO a cccc x x ) a^a c C G M L�7 N @ N � I ,�p F— U_ D Z W M Y co 17 14 O fNO M m tt N N CD O O I _ I � i a I - i O a 0 I cc 0 0 cG - n Q 0 i m 0 LO 0 rf Q a Q 0 O n O N O N O N O a 0 a O 0 N � x � ♦— o 67 _T 7 O c] C co O O r` rn Q) i rn ^ m 1. LDa rn � Q ❑1 m I h �7 N O] D) Q C> Q7Co a co 4] N Q O J �r � U 4! � �N f0 00 � a C7 - W(1) C rb -0-0 C C In `m U U N N C C ITT t @ to,D --. O T J co CDDO mf~D co LO N ca p In m CD m O O O) ^ J O (St 0 0 0 cG 0 LO O rf a Cl) O N O N O a a o � x o 67 _T 7 O c] C O Q) F, m rn CD ❑1 m �7 N O] D) Q 61 co 4] N Q � U � �N f0 a C7 - W(1) rb -0-0 C C In U U N N C C ITT 0 F- 0 0 Z W� J � ao m� N 0 u� O I� M O CNN ID O [f7 CQ O r^ 6] fl O O I- O 0 O to CD a) a a > OD a_ T 7 ❑ N a m J M to Q M w C) m c�ri ❑ O O J N N " F�Aa " F�Aa ze 4� UD b 0 op a 0 cn b a v 0 M O N y O Q _U o x o � o � a rn :> O U N C 0co 0LO I b m CO O N O O O d1 N n a � U C) IX] A co y m ZZ i—j 9 X X � av � c o C-'� �7 U N N C C � I I I ■ ■ 4� UD b 0 op a 0 cn b a v 0 M O N y O Q _U o x o � o � a rn :> O U N C 0co 0LO I b m CO O N O O O d1 N n a � U C) IX] A co y m ZZ i—j 9 X X � av � c o C-'� �7 U N N C C � I �7 U N N C C � I ��-_ ,� CS - �a�� =7 ■on mmir ,m•mism WmsEr _-� _� � ■■■ire loop_ . ■■■ ■■■■ MSE ■oi�== E ;Wi Appendix 4 Historical Key Well Pressure data ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA DATE WELL II II 3C 3B 3A 2B 2A Z1 1987 9/5/1987 1-47/Q-21 9/5/1987 1-47/Q-21 10/1/1987 1-09/J-18 10/1/1987 1-09/J-18 11/10/1987 3-01/N-29 11/22/1987 1-09/J-18 12/5/1987 3-01/N-29 12/12/1987 1-47/Q-21 12/12/1987 1-47/Q-21 1988 3B 1/19/1988 1-35/0-25 1/27/1988 2-52/S-14 1/27/1988 2-52/S-14 1/28/1988 1-29/M-25 2/2/1988 1-09/J-18 2/3/1988 2-62/Q-17 2/15/1988 2-08/K-16 2/15/1988 2-08/K-16 2/15/1988 2-08/K-16 2/28/1988 3-47/Q-35 3/1/1988 3-33/K-37 3/1/1988 3-33/K-37 3/27/1988 3-01/N-29 3/30/1988 3-35/L-36 4/22/1988 1-35/0-25 5/25/1988 3-05/0-29 6/5/1988 1-55/R-25 6/5/1988 1-55/R-25 6/9/1988 1-29/M-25 6/10/1988 1-35/0-25 6/11/1988 3-01/N-29 6/11/1988 2-62/Q-17 6/16/1988 2-26/N-14 6/16/1988 2-26/N-14 6/21/1988 3-01/N-29 6/29/1988 2-26/N-14 6/29/1988 2-26/N-14 7/23/1988 3-05/0-29 7/27/1988 2-26/N-14 7/27/1988 2-26/N-14 7/30/1988 4-26/0-34 7/30/1988 4-26/0-34 7/30/1988 4-26/0-34 7/30/1988 4-26/0-34 7/30/1988 4-26/0-34 9/4/1988 3-11/M-30 4897 4897 1 4889 1 4889 4813 4631 1 4631 4809 4784 4784 4767 4788 4736 4800 4750 4789 4758 4726 4742 4820 48201 1 4838 48381 3718 3718 4671 SDI 3C 3B 3A 2B 2A Z1 N I 1 4839 4696 i 4600 4466 4569 4514 4551 4460 4800 4800 4497 I 4494 4497 i 4600 4590 4528 4850 4400 4469 ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA DATE WELL 6/21/1989 2-46/Q-15 6/21/1989 2-46/Q-15 8/3/1989 2-52/S-14 8/3/1989 1-47/Q-21 8/3/1989 2-52/S-14 8/3/1989 1-47/Q-21 8/4/1989 2-46/Q-15 8/4/1989 2-46/Q-15 8/15/1989 3-47/Q-35 8/19/1989 3-05/0-29 8/21/1989 3-01/N-29 9/12/1989 4-50/K-41 9/12/1989 4-50/K-41 9/23/1989 4-26/0-34 9/23/1989 4-26/0-34 9/24/1989 1-35/0-25 9/25/1989 2-62/Q-17 10/29/1989 3-11/M-30 11/25/1989 2-52/S-14 11/25/1989 2-52/S-14 11/27/1989 3-05/0-29 12/22/1989 2-46/Q-15 12/22/1989 2-46/Q-15 12/30/1989 3-33/K-37 12/30/1989 3-33/K-37 1990 1/3/1990 2/7/1990 2/7/1990 2/25/1990 2/26/1990 2/26/1990 2/26/1990 2/28/1990 3/1/1990 3/17/1990 3/17/1990 3/19/1990 3/19/1990 1-45/Q-26 2-26/N-14 2-26/N-14 3-05/0-29 2-62/Q-17 1-47/Q-21 1-47/Q-21 1-35/0-25 1-49/P-21 2-14/0-16 2-14/0-16 1-09/J-18 1-09/J-18 1-55/R-25 1-558-25 1-558-25 1-55/R-25 4-26/0-34 4-26/0-34 4-50/K-41 4-50/K-41 SDI 3C 3B 3A MPIINFB 3C 3B 3A 2B ' 2A Z7 4420 4332 4420 4421 4780 4456 4280 i 4410 4000 4456 4143 ` 4410 4440 4427 4427 4437 4432 4411 4570 4600 4506 4505 4322 4322 4505 4369 4456 4369 4456 4147 4006 I 4029 4006 4976 14642 4426 4453 4453 4611 4557 4606 4628 4667 I 4639 SDI 3C 3B 3A 2B 2A Z1 4317 4332 4421 4780 4280 4000 4143 ` 4440 4417 4437 4432 4411 4506 4322 4322 4369 4369 4147 4029 4976 4426 ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA DATEI WELL 9/14/1991 2-14/0-16 10/6/1991 2-62/Q-17 10/7/1991 1-49/P-21 10/12/1991 4-08/P-27 10/19/1991 3-33/K-37 10/19/1991 3-33/K-37 11/12/1991 1-47/Q-21 11/12/1991 1-47/Q-21 11/18/1991 2-08/K-16 11/18/1991 2-08/K-16 11120/1991i 2-18/L-16 1992 i 4657 1/22/1992 2-46/Q-15 1/22/1992 2-46/Q-15 1/29/1992 1-09/J-18 1/29/1992 1-09/J-18 3/27/1992 1-49/P-21 3/31/1992 2-62/Q-17 4/3/1992 4-08/P-27 4/6/1992 1-45/Q-26 4/6/1992 1-45/Q-26 4/10/1992 3-47/Q-35 4/19/1992 2-26/N-14 4/19/1992 2-26/N-14 5/9/1992 3-11/M-30 5/15/1992 3-25/M-27 5/15/1992 3-25/M-27 5/18/1992 3-33/K-37 5/18/1992 3-33/K-37 6/2/1992 4-50/K-41 6/15/1992 2-52/S-14 6/15/1992 2-52/S-14 7/23/1992 2-14/0-16 7/23/1992 2-14/0-16 7/26/1992 1-29/M-25 7/26/1992 2-18/L-16 7/27/1992 1-47/Q-21 7/31/1992 4-26/0-34 11/17/1992 2-14/0-16 11/18/1992 2-62/Q-17 11/23/1992 1-45/Q-26 11/23/1992 1-45/Q-26 11/24/1992 4-08/P-27 11/26/1992 1-49/P-21 SDI 3C 3B MPIINFB 3C 3B 3A 2B 2A Z1 4562 4803 1 4872 i 4657 1j 4898 3919 4180 4180 4608 4657 4725 I 4739 ' 4657 4751 4245 4726 4245 3033 4824 4470 4796 4869 13762 4890 4393 I 1482 1482 4874 � 4779 3952' i 3952 4846 4841 4767 4693 4087 4879 4852 4865 SDI 3C 3B 3A 2B 2A Z1 4771 4562 4473 i 4657 3919 3919 4608 I 4739 ' 4751 4726 3966 3033 4470 13762 4393 ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA DATE I WELL 6/7/1994 1/7/1995 1/1/1995 7/14/1994 11/20/1994 11/30/1994 1/6/1995 12/23/1994 12/9/1994 2-26/N-14 1-49/P-21 1-095-18 4-38/K-34 3-11/M-30 4-26/0-34 2-14/0-16 3-25/M-27 4-50/K-41 1995 3C 1/7/1995 1-49/P-21 1/14/1995 1-45/Q-26 1/17/1995 1-61/Q-20 1/20/1995 3-15/K-33 4/4/1995 2-46/Q-15 4/24/1995 4-18/S-30 5/2/1995 3-05/0-29 5/3/1995 2-52/S-14 5/8/1995 2-58/S-09 7/3/1995 1-09/J-18 10/19/1995 1-19/1-18 10/20/1995 1-33/M-23 12/8/1995 2-18/L-16 12/16/1995 2-26/N-14 12/28/1995 4-50/K-41 1996 4301 1/4/1996 3-43/P-36 1/13/1996 1-01/J-19 1/23/1996 2-18/L-16 1/26/1996 3-11/M-30 1/27/1996 1-31/M-21 1/28/1996 2-52/S-14 1/30/1996 4-18/S-30 2/17/1996 2-42/P-13 2/28/1996 1-09/J-18 3/3/1996 1-65/N-25 3/7/1996 1-57/R-23 3/10/1996 1-35/0-25 3/28/1996 2-64/U-10 4/1/1996 3-21/L-34 4/2/1996 3-39/J-39 4/6/1996 1-39/P-17 4/6/1996 2-26/N-14 4/14/1996 2-58/S-09 4/15/1996 1-67/T-20 4/19/1996 3-23/N-32 MPI/NFB 3C 3C 3B 3A 2B 2A Z1 1370 3829 4452 4704 2817 4367 4277 5194 5194 4303 4301 4924 4232 4704 4916 I 4603 3658 4930 4930 4566 4985 4713 4713 5097 2223 4657 4788 4498 2428 4348 4380 4040 1590 1590 4243 4184 4366 5019 5001 4542 4564 4604 5055 4656 1934 2215 SDI 3C 3B 3A 2B 2A Z7 3829 4452 2817 i 4277 5194 5194 4301 4924 4745 i 4916 I 3658 4566 4985 5097 + 1 4657 4788 4260 2428 ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA MPIINFB SDI DATE WELL 3C 3B 3A 2B 2A Z1 X 313 3A 2B 2A Z1 12/13/1997 3-03/J-33 3665 12/21/1997 3-27/M-33 4281 1998 1/6/1998 1-17A/I-17 2/12/1998 1-25A/K-22 2/13/1998 3-29/J-32 2/20/1998 3-39A/I-37 2/20/1998 4-34/0-38 2/22/1998 3-31/K-32 3/3/1998 1-33/M-23 3/19/1998 1-61/Q-20 3/19/1998 2-08/K-16 3/20/1998 2-18/L-16 3/21/1998 1-03/P-16 3/22/1998 1-09A/L-21 3/22/1998 2-26/N-14 3/31/1998 1-39/P-17 3/31/1998 1-57/R-23 4/3/1998 3-33/K-37 4/8/1998 3-05/0-29 4/8/1998 4-20/M-35 4/13/1998 4-18/S-30 6/10/1998 2-52/S-14 6/15/1998 3-37/L-35 6/22/1998 2-58/S-09 7/15/1998 1-33/M-23 7/20/1998 1-31/M-21 8/15/1998 4-02/Q-28 8/21/1998 2-60/U-13 8/31/1998 4-38/K-34 9/26/1998 1-01/J-19 9/26/1998 1-47A/M-2C 9/26/1998 2-44A/Q-11 1 11 2739 E�5387 3209 I 11 5118 3410 3070 5143 4324 4577 4240 4190 4556 4617 4229 4470 2797 4661 5166 4798 4437 4856 5375 4180 4294 4288 5225 4088 4313 4266 4573 � ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA DATE WELL 9/17/2000 9/17/2000 9/18/2000 9/19/2000 11/23/2000 11 /24/2000 12/7/2000 12/15/2000 12/26/2000 1-33B/L-24 1-61/Q-20 1-09A/L-21 4-32/K-38 3-15/K-33 1-47A/M-20 2-18/L-16 4-18/S-30 2-28/P-19 2001 3/4/2001 3-25/M-27 3/18/2001 1-25/K-22 3/19/2001 1-35/0-25 3/19/2001 1-61/Q-20 3/20/2001 1-03/P-16 3/21/2001 1-57/R-23 3/23/2001 2-50/U-08 3/23/2001 2-58/S-09 3/24/2001 2-52/S-14 3/25/2001 3-35/L-36 3/26/2001 3-33/K-37 4/14/2001 2-26/N-14 4/21/2001 1-39/P-17 4/25/2001 2-42/P-13 5/5/2001 1-01/J-19 5/6/2001 3-39A/1-37 5/10/2001 4-38/K-34 5/18/2001 1-47A/M-20 5/22/2001 3-17D/M-31 5/23/2001 3-23/N-32 5/25/2001 2-44A/Q-11 6/6/2001 1-29/M-25 6/14/2001 2-06/J-22 7/23/2001 1-19/1-18 9/4/2001 2-22/L-14 9/23/2001 1-33B/L-24 9/23/2001 2-18/L-16 9/24/2001 4-18/S-30 12/15/2001 4-32/K-38 2002 1/11/2002 2-20/L-15 2/25/2002 1-03/P-16 3/25/2002 3-33/K-37 4/15/2002 2-58/S-09 4/16/2002 1-09A/L-21 4/16/2002 3-39A/1-37 5/16/2002 4-20/M-35 7/30/2002 1-01/J-19 7/31/2002 1-33B/L-24 7/31/2002 1-61/Q-20 10/10/2002 3-07A/L-29 10/12/2002 4-32/K-38 10/22/2002 2-08/K-16 10/22/2002 1-578-23 10/22/2002 4-18/S-30 11/27/2002 2-58/S-09 11/28/2002 2-52/S-14 SDI 3C 3B 3A MPIINFB 4666 3C 3B 3A 2B 2A Z1 4375 4317 4547 4636 2505 4458 4276 4230 4156 4156 4900 i 4644 4585 I 4636 � 4302 4587 2698 4242, 4563 4518 4502 4199 4334 4497 4367 3210 14171, 2615 5277 5277 6137 6137 4766 5282 4098 4098 j 4194 5010 5010 4079 4200 42571 4334 4212 3903 2076 2076 4566 3084 2308 4255 4255 4286 4502 4306 2908 5092 l 5092 SDI 3C 3B 3A ` 2B 2A Z1 4666 4443 4375 5019 5161 4636 4458 4230 4230 4341 4900 i 4644 4636 4587 4242, 4518 4199 4334 4367 14171, ENDICOTT OIL FIELD HISTORICAL KEY WELL PRESSURE DATA MPIINFB SDI DATE WELL 3C 3B 3A 2B 2A Z1 3C 3B 3A 2B 2A Z1 7/26/2005 2-58/S-09 2709 7/27/2005 2-40/S-22 4351 4351, 9/1/2005 2-18/L-16 3684 9/27/2005 1-61/Q-20 4375 10/6/2005 4-18/S-30 39941 11/2/2005 1-19/1-18 4129 2006 1/26/2006 2-22/L-14 4189 4189 4189 3/4/2006 1-57/R-23 4475 4475 7/23/2006 1-39/P-17 4369 7/24/2006 3-39A/1-37 4130 7/25/2006 4-28/N-37 4108, 4108 9/3/2006 1-19/1-18 4135 9/5/2006 3-29/J-32 4226 4226 4226 9/12/2006 1-61/Q-20 4263 9/14/2006 1-01/J-19 4186 4186 9/15/2006 3-35/L-36 4421 9/16/2006 4-18/S-30 4089 9/17/2006 2-52/S-14 4889 9/20/2006 2-58/S-09 3445 9/25/2006 3-25B/L-27 4120 9/25/2006 4-32/K-38 4424 10/6/2006 2-26/N-14 3723 3723 J 2007 1 2/11/2007 2-48/0-13 43551 3/4/2007 2-08/K-16 4 4338 4338 6/29/2007 1-01/J-19 4728 4728 6/29/2007 2-26/N-14 3640 3640 7/6/2007 3-35/L-36 4567 7/6/2007 3-39A/1-37 4219 7/7/2007 4-32/K-38 4449 7/9/2007 3-25B/L-27 4138 7/10/2007 4-18/S-30 3831 7/13/2007 3-29/J-32 4280 4280 4280 7/13/2007 1-61/Q-20 4243 7/28/2007 2-52/S-14 4761 4761 8/2/2007 2-58/S-09 3422 8/7/2007 4-28/N-37 35611 3561 11/10/2007 2-08/K-16 4153 4153 2008 5/9/2008 4-18/S-30 3682 5/19/2008 2-52/S-14 4703 4703 5/19/2008 4-32/K-38 4547 5/20/2008 1-19/1-18 4269 5/24/2008 1-61/Q-20 4263 5/25/2008 2-18/L-16 3814 5/26/2008 2-48/0-13 4478 5/26/2008 3-39A/1-37 3855 6/14/2008 3-35/L-36 4338 6/30/2008 1-01/J-19 4279 4279 7/20/2008 2-26/N-14 2795 2795 9/13/2008 3-25B/L-27 4152 9/14/2008 4-28/N-37 3260 32601 9/15/2008 9/16/2008 2-58/S-09 3-29/J-32 2605 4106 4106 4106 9/19/2008 2-40/S-22 L11 4310 20091 11111 n Appendix 5 Reservoir Pressure vs. Time O O O O O O O O O O O O O O O O O O O O O O O LO O LO O U") O U) O LO O c0 LO LO 19T 19T M M N N V- wnlea ss (]Ai:4 000`06 le ainssaJd 0 rn 0 o r o � U_ C o w c co O o = ca LOO C) 0 X W o a - co M O N O r O O O O) O) 00 O) N L a M N O >� ON] Q a o o a) 00 Y d 0 00 I -- OD O O N a) E_ N ~ cn cn co LL' I CD a 0 o a LO U) � IT � wnlea ss (]Ai 4 000`0 G is 9mss9Jd co a- N r r O r O Z7 O C LLQ Q C O r- 0 O 6 Cs x w Q- 0 � m 0 0 0 m 0 0 0 0 0 co m pl- 03 N v N (3) A G] x rn z a 0 D7 Q7 � T 03 x 00 ■ co ti 47 0 0 C> m 04 a) `4a) W E oF- ' V, oi m > LL Z cn cn 4 A(D .0 L.L.. N r r r Q r 07' Q 00 O � w n C v O cp N C) _Q Q X 'n w m r7 d O v 0 0 m rn OD n to rn 0) rn Cl) rn � `w 0 Y Z 0 _13 rn N OD O Y co n co r- co Q O C> O Q m LO O IT It M gun}ad ss Q/_L: 000'o � Za einssaad N N N E O N u6 cnO cn E3 ■ ■ ■ ------------ ■ o 13 , 0 ,❑ c� N 0 U 'C3 E 0 LU 0 c ep 0 o 0 o a X W 00 0 0 M 0 0 0 0 co co 0 (F7 W Qi p7 Y 07 O z C] — 67 py co Y co n oa 0 0 0 n 0 0 V) � v � M m wn}ea ss aAl :4 000'0 � le einssaad 13 ° ' r ■ ■ E3 ■ ■ ■ ------------ ■ o 13 , 0 ,❑ c� N 0 U 'C3 E 0 LU 0 c ep 0 o 0 o a X W 00 0 0 M 0 0 0 0 co co 0 (F7 W Qi p7 Y 07 O z C] — 67 py co Y co n oa 0 0 0 n 0 0 V) � v � M m wn}ea ss aAl :4 000'0 � le einssaad [� a) cn o a) ■ CI ■ r -6i 0 0 . ■ ❑ ■ LOP . dr n 8� T N T T T O 0'' T C W O O O O O w CL CL co O O M O 0 0 0 0) 00 to to It m cri se O o aj Z 0 0 0 0 O 0 0 o p 0 rap LO LO LO o "T v CO) Ce) wruea ss df\l:1000'0 � }e ainssaad QF - N vi m > LL. a) Z oa) .� a a� [L ch r r a � a U o � C w a c a F. o O CL co a x w CL LO m it a cY) a CO0 0 0 0 00 0) 9 N N W A N r � � C O Z a 13 N 0 7. N co OD ■ co C] C7 Q C7 C) LO LO Q IT Nr CLO ul wnleQ ss q/u :U 00010 }e aanssaad m 0 clq 0 E 0 N C6 J' vJ � cn co 0 Qi CD ■ ■ ■ ■ ■ -❑ fl IL In O ■ ❑ ❑ a v ❑ 03 ■ WE n Lj 13 ❑ op ■ ■ M e - N r r r O r 0) C O w O C p O 2 4 �Op 0 O w CL Lo m 0 M 0 0 v 0 0 2 rn rn �i LO M A o 4) a � C O O Z c Y ■ a©, O d C) O O Lf) iR'S It l:T (Y7 wnleQ ss Q/u,:1000'0� le a nssaJd wnlea ss C]/i:4 000`0 � le aanssaJd - - - - -- - - - - - M N r ■ r r O +� � ■ U ❑ 0 w co O O O ■ N ■ I- C) O ■ fl X ❑ o w ■ LO n. m ■ 0 o Q ■ ■ o M N o E ■ a O N0~ ' C6 _ > CD a- ■ co CD cnrl- cn CD o � ,�° cz 0 LO ■■ M O � � N W N > ❑ O Y o D ❑� 0Z 0 ■ 00 00 0co Y n LO � 1q, � M MO wnlea ss C]/i:4 000`0 � le aanssaJd i co (U E O N v6 m > U- a) z=3 .. cn C:cn 0 0 0 LO LO CD 0 0 0 0 0 0 0 0 ��It MNN r M wnlea ss (]Ai :4 000'0 le aanssaad M r N r r r C r Zi 0 C W co C o p R1 0 O n x a W a Lo m 0 c 0 0 0 C 9 Go co Ln M 03y 91 W N Y o Z 0 0 _ Qo Go 00Qo Y Qo ■ 0 0 C) V -- E 0 N D N u 0 CD .a w 0 0 0 0 LO 0 11 ❑ o- ■ ■ m ❑ ❑ ❑ 13 ❑ �® ❑ 0 ❑ ❑ ❑ ■ ■ 0 0 0 0 0 0 0 L 0 LO IT � wnlea ss ©A_L 4 000`06 3e eanssaad ch N r r r c r O w ■ co O i-+ o � co W o m 0 0 0 co 0 n Q 0 0 Oo ❑❑ ❑ rn Y c OD z ❑ 0 — rn w O ■ co 0 0 0 0 M M m co (D E cn 75 co cp O a) a) w ----- -- - ----------------- ❑ o --------- -- - -- ---o-...... ..................... rn 93 13.. . .. ......... OD ❑■ ti 0) --------------- ...___....... ................ LO ❑ ■ ❑ ❑ ❑ ■ Q 1 0 0 ---------- ---'-- o ■■ ------------- - - - ----- ❑ EP 0 x -------------- d ❑❑❑ rn z ❑ o o ❑ Q ❑ ° 0 Y qn ■ ° 0 ■ 0 0 0 0 0 0 LO U) -- ` CQ N r i r ■ 0 0 0 o p 0 0 V 0 in 0 M C O W ■ M �, O O �.. �.._... -- --- ------ 0 O Q. ----------- - ---------- © W ■ fL m o �......�..-...-..-.. :. ............... cl N 0 0 0 ----- -- - ----------------- ❑ o --------- -- - -- ---o-...... ..................... rn 93 13.. . .. ......... OD ❑■ ti 0) --------------- ...___....... ................ LO ❑ ■ ❑ ❑ ❑ ■ Q 1 0 0 ---------- ---'-- o ■■ ------------- - - - ----- ❑ EP 0 x -------------- d ❑❑❑ rn z ❑ o o ❑ Q ❑ ° 0 Y qn ■ ° 0 ■ 0 0 0 0 0 0 LO U) -- ` -- ti 0 0 0 0 0 0 0 0 in 0 Ln o Iq It M M W co a W E O N v6 co LL N Z cn cn o O O O O O � LO � M N M T N T T T O T Q U_ rn C O w O O c fu O � x 0 LLI CL L m 0 0 M O N O T O O 0 00 LO 0) M y O N N � Y c T 0 rn Z O O rn � rn °D ami Y ■ 00 00 r- 00 O O O Tl - m i D E C N cn N co O a) It Cl ■ ■ A t 0 ■ It O O a Q Q CD CD CD 0 LO V) I N wnleQ ss (]Ai :g 000`0 le aanssaJd co N o t- O U CD 0 c W 0 c o a cC � L 0 0 Q w a L m 0 It 0 2 0 CA 0 0 0 04 0 0 y N rn Y c 0 0 CDZ 0 00 c «o ■ F- 00 C) 0 r ■ 0 0 ®o 0 v ■ ■ ■ O O a Q Q CD CD CD 0 LO V) I N wnleQ ss (]Ai :g 000`0 le aanssaJd co N o t- O U CD 0 c W 0 c o a cC � L 0 0 Q w a L m 0 It 0 2 0 CA 0 0 0 04 0 0 y N rn Y c 0 0 CDZ 0 00 c «o ■ F- 00 C) 0 r U a) E ■ ❑ ■ ■ uj ❑ a)' ■ 13 ■ c4 ■ ■ ■ ❑ ■ Q b ■ ■ ■ ❑ N❑ .... ....... ■■ ■ ■ -- --- ■ o� ❑ ❑ ❑ ❑ . --: ❑ ❑ ■■ 4 ❑ ❑ ❑ 13 ❑ ❑ y° ❑ O ■ 0 0 0 0 0 0 V) v o CD N c� r o 0 o U_ o C W C o O t6 0 O CL 0 W 0 a L m 0 v 0 M 0 N 0 0 0 0 o� co ti co 0) LO It N o � rn o z 13 o — 0 0 0 ■ 00 Goti 0 0 C) r O C) O O C3 (D V) IT (n N rn v a Q to CD9 co 0 N O 0 CD IM CD co co 0 Ln cp N im qm 0 im m co co w I, - co a O O Ir- v O LU c �o Q a x w CL m ■ U CY) a) ai E o N v6 cn 0 ^a) •� f1 w O O O O O LO co LO O O O O O O LO It It M M N wnled ss (]Ai} 000`0 le ainssaad N r r r O 0 0 co O rl0 0 O LO 0 v 0 M O N O 0 O 0 co r- 0 rn LO rn v rn M O N O O O rn co O co co I, - CC) O O O N v O U C W c a E C 0 X W a M Appendix 6 Endic-oft ShUtt-ln W 11, LIS ENDfCOTTISAG DELTA NORTNIEWER Shut -In Wells for all of 2011 1. Reasons for Well Shut-Tn A- High GOR, curently uncompetitive to produce due to facility constraints, no known mechanical problems B. High water, currently uneconomic to produce, no known mechanical problems C Low production rate, no known mechanical problems D Mechanical Problem E. Other (Specify under comments) 2. Current Mechanical Condition Briefly describe the current mechanical condition including the condition of installed tubing and casing strings. 3. Future Utility 1. Evaluating remedial, sidetrack and/or redrill opportunities 2. Remedial well work planned 3. Long term Shut-in well/ No immediate plans 4. Suspended well 5. P&A planned 6. Other (Specify under comments) Date Shut- Reason for Well Current Mechanical Condition of Future Utility Plans & Sw Name In Shut -In' Well, Possibilities' Comments 1-01/J-19 Mar -OB D - Mechanical TXIA communication. 3 Longterm shut-in Needs RWO in order to restore integrity Problem Well is secured with TTP. well/no immediate plans 1-11ISN-04 Feb -11 ID - Mechanical AXOA communication 3 Longterm shut-in Needs RWO in order to restore integrity (Problem well/no immediate plans 'TXIA communication. 1-37/P-24 Jan -07 D - Mechanical Tubing was chemical cut in prep for 3, Long term shut-in Needs RWO in order to restore integrity (Problem RWO - cancelled, well/no immediate plans 'Well is secured with COP. ID - Mechanical TXIA communication. Secured with 1 Currently being 145/0-26 Nov -05 (Problem tubing tail plug worked as a possible Needs RWO in order to restore integrity, RWO candidate IB - High WC TXIA communication. 1. Evaluating remedial 149/P-21 May -07 ID -Mechanical Well is secured with IBP options and/or sidetrackProblem o ortunities- 2-02/P-18 Jul -09 IE - Cretaceous Operable. 6- Use when needed for disposal Disposal Not Needed ID - Mechanical 1. Currently being 2-14/0-16 Dec -12 TxIAxOA workied as a possible Needs RWO in order to restore integrity (Problem RWO candidate 2-24/M-12 May -03 ID - Mechanical TXIAXOA communication. Secured 3. Lang term shut-in Problem Nith tubing tail plug well/no immediate plans 2-38/SN-01 Mar -04 B - High WC D - Mechanical TXIA communication- Secured with 3. Long term shut-in Needs RWO in order to restore integrity Problem 4ubing tail plug well/no immediate plans 242/P-13 Jul -02 D - Mechanical TXIA communication Secured with 3. Long term shut-in Needs RWO in order to restore integrity Problem tubing tail plug Fish in the tubing. well/no immediate plans 12-56NE101 Dec -09 B - High WC Operable. 3 Long tend shut-in well/no immediate plans 2-58/S-09 Apr_10 D - Mechanical'TxIA 3 Longterm shut-in Problem well/no immediate plans D - Mechanical Surface casing leak Secured with 1. Evaluating remedial 2-00/U-13 Aug -09 Problem (tubing tail plug. option and/or sidetrack Needs RWO in order to restore integrity opportunities D - Mechanical TXIA communication. Secured with 1- Evaluating remedial 2-08/5-17 Aug -07 Problem tubing tail plug. o ption and/or sidetrack .opportunities 2-70/1-1-15 Aug -O6 D - Mechanical 'TXIA communication. Secured with •3. Long term shut-in Problem tubing tail plug welllno immediate plans :3-05/0-29 Apr -07 D - Mechanical 'TXIA communication. 1. Evaluating remedial Diagnostics to be done in 2011 Problem Well is secured with TTP. options 3-11/M-30 Mar -05 D - Mechanical IPC Leak Secured with cement & 3- Long term shut in/ no Needs RWO in order to restore integrity Problem cement retainer. immediate plans B- High WC TXIA communication Secured with 1- Currently being :3-19/R-28 Jun -03 D- Mechanical (tubing tail plug worked as a possible Possible conversion candidate in 2012 Problem IRWO candidate B - High WC 'TXIAXOA communication Secured 3. Long term shut-in 3-23IN-32 Nov -05 D - Mechanical with tubing tail plug well/no immediate plans Problem 343/P-36 Aug -10 D -Mechanical ,Surface casing leak Secured with 3- Lang term shut-in Needs RWO in order to restore integrity Problem tubing tail plug. +Nell/no immediate plans D - Mechanical 4-08IP-27 Nov -05 Problem TXIA communication Secured with 3. Long term shut-in Needs RWO in order to restore integrity E - Replaced by 3-01 1 tubing tail plug well/no immediate plans -4-26/0-34 Jan -07 B - High WC D - Mechanical 'TXIA communication :3- Long term shut-in Needs RWO in order to restore integrity Problem Well is secured with TTP. well/no immediate plans -1-32/K-38 Nov -05 E -=r Operable. 6• POP oncewell house Mena amen[ is replaced, C • Low Injection Rate •TXIA communication. Secured with a :3. Long term shut-in 440/P43 Dec -05 D- Mechanical tubing tail plug- well/no immediate plans Problem C - Low Injection Rate -TXIA ,3- Long term shut-in •444/M44 Jun -92 D - Mechanical communication well/no immediate plans Needs RWO in order to restore integrity Problem 1. Reasons for Well Shut-Tn A- High GOR, curently uncompetitive to produce due to facility constraints, no known mechanical problems B. High water, currently uneconomic to produce, no known mechanical problems C Low production rate, no known mechanical problems D Mechanical Problem E. Other (Specify under comments) 2. Current Mechanical Condition Briefly describe the current mechanical condition including the condition of installed tubing and casing strings. 3. Future Utility 1. Evaluating remedial, sidetrack and/or redrill opportunities 2. Remedial well work planned 3. Long term Shut-in well/ No immediate plans 4. Suspended well 5. P&A planned 6. Other (Specify under comments)
