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GMC Data Report No. 018
GEOCHEMICAL ANALYSIS OF WELL CUTTINGS AND CORES FROM THE CHEVRON KAVEARAK POINT #32-25, AND SOHIO CHALLENGE ISLAND #1 WELLS, NORTH SLOPE, ALASKA This report contains the following data (obtained via standard geochemical techniques) for cuttings and cores from the above-mentioned wells' Total Organic Carbon (TOC %) Rock-Eval Parameters [S (mg/g), S2 (mg/g) S3 (mg/g) Tmax (°C) S2/S3 and1 ' , SI/Si+S2] Normalized Rock-Eval Parameters (Hydrogen and Oxygen Indices) Vitrinite Reflectance (VR,'in %) The Kavearak Pt. was studied from 501-9770 ft; and the Challenge Island well from 3865-13,530 ft. Samples were analyzed in fifty-foot composite intervals. Note that not every interval was analyzed, due to poor cuttings quality. TOC and Rock-Eval are listed (in units noted above) in TABLE 1 (Kavearak Pt.) and TABLE 2 (Challenge Island). Intervals lacking data are labelled "9E60" in these tables. TABLE 3 contains vitrinite reflectance data (VR, in %) for samples of both wells. Determinations were made on whole-rock samples. · KAVEARUK PT. NDo 1- DEPTH TOC S1 S2 FT % MG/G S$ TNAX MGIC, C S1/1+2 HI S2/63 OI 5,%1.5 .3.39 9E60 9EuO 665.0 C .'%8 9560 9;£00 755.0 G .41 9560 9560 845.0 S .58 9E~O ~E6O 935.0 ] .55 ~560 9560 1025-0 0.91 9560 11i5-0 3.25 9560 9E~0 1205.0 1.0. 9560 1295.0 O .99 9560 95C5 1585.0 2.q5 9560 9E60 1~75.0 0.93 9[60 9EbO 1565.0 S.O1 9;260 9560 1;~5.o 5.os 956o 9EbO 1835-0 1.16 9560 9560 1955.C 0 .g3 9~60 9E~0 2075.0 O .67 9560 9560 2180.0 1.12 0.37 0.57 2285-0 1.27 9560 9560 2375.0- 1-28 9560 9E60 2555.0 1.74 9E60 9560 26~5.0 . 3.0~ 9560 9r60 2255.0 13.62 ~-~ 7=. 22.91 2855.0 28.53 9560 9560 29~5.0~ 21.97 9560 9~60 3035.0 16.09 1-1~ 3125.0~ II.20 9~60 gE60 5215.0 12.1~ 9560 9560 530'5.0 8.02 0.73 8.83 3395. 0 1 ;.21 9560 9560 34~5. O 35.38 9560 9=60 3575.0 23.71 1.39 31.19 3665.0 25.75 9EAO 9560 3755.0 1~.7~ 9~60 9~ 60 391 0-0 7.69 0.82 9.9~ 3995.~ 29.29 9560 9560 ~OdS.0 15.79 9560 9[60 4175.0 6.13 0.51 ~265.0 2.50 9560 95~0 ~3~0.0 2.23 0.26 1.35 ~75.0 3.05 9560 9560 ~&25.0 7.55 1.01 9. q775.0 3.11 9560 qSa5.O 1.~1 2.22 O. 75 4955.0 0.97 9553 9E~0 5o~5.o 1-.35 j.la O.al 5155.0 1 -84 9E60 9562. 9560 95~0 9560 9560 9EE, O 9560 95~0 9560 9Eb, O 9EsE 9Eo0 9560 9560 9563 9560 9565 9560 9560 9500 95~0 9560 9560 9560 9560 9560 9560.9560 9EGO 9EGO 9560 9560 9560 9560 0.75 418 9560 9560 9560 9560 1.04 422 9560 9560 9E&O 9560 9E6~ 9E60 6.39 9560 9560 95=~ 9~60 2.76 9560 9566 9£~0 9£60 0.~1 9560 9~0 956~ 9f6~ 2.9~ ~i5 9560 9560 9Eog 9E6~ 2-52 ~15 955D 956~ 1.18 9560 9560 2.63 ~11 956C 9~60 C.58 ~32 9500 9E~G O.o4 420 956G 95b0 TABLE 1 9E60 9560 9563 9560 9563 95 60 9560 9560 9F60 9560 9560 9[60 9560 9E60 9560 9560 95£0 9560 9560 9560 9560 95 60 9560 9560 9560 9560 9563 9560 9560 9560 9560 9560 9560 9560 0 .~0 51 9560 9560 9563 9560 0.16 53 9E60 9E60 9563 9560 0.23 168 9~60~_ 9£60 95 60 0.37 92 956~ 9;-60 9560 9560 0.08 ilO 9563 956D 95=3 956-0 0o04 132 9500 9£60 9565 9~h3 O .~ i29 9563 9560 9560 9560 0.06 '12z+ 9 E8~, 9r BO 0.16 61 9E~3 9~60 0o15 i19 9563 9E6C 0.23 53 9;-~? 9560 9560 9E6~ 9560 9563 9560 9E60 95£0 956g 9560 9560 9EGO 95£2 9560 9E&O 9E60 9£60 9560 9560 9560 0.76 9EoO 9560 0.90 9560 9560 ~.7~ 9£~ 9560 2.52 9560 956~ 3.2~ 9550 9560 2.99 9565 9560 3.~3 9560 9560 3.22 95=0 1.15 956J 3.43 9ESO 1.29 956~ 1.26 95&G 9560 9560 9560 9560 9560 9560 9560 9£60 9E60 9560 9560 9560 9L60 9560 9560 9560 9~6~ 67 9560 9~60~ 59- 956~ 9:-60 ~5 9560 9F_60 9560 9560 9=60 9L60 9E60 9E60 956G 53 9i6~ 35 9560 9560 9560 · 52~5.0 I .2& [..17 0.S3 0.53 426 0.17 6.6 1.57 42 5315.0 1.55 9560 9560. 95d5 9;'~6 9-bO 9i~O 9E&O 9560 54~5.0 1.04 0,18 O.H8 0.~4 ~23 0.17 85 1.65 52 5~9b. 0 O .8~ 9560 9E60 956~ 9[60 9563 95~,0 9560 5585.0 6.~7 0.61 ~.81~ 2.4~ 4~'3~ O. 1a. 91 2. 92 5765.S ~.80 0.05 0.39 O.q2 ~19 0.11 ~9 0.~2 53 5885.0 1.42 9~60 9E~O 956~ 9r~O 9E&O 95~C 9EmC 9560 6005.0 1.61 6.19 1.95 0.~5 ~07 0.15 6~ 2.56 28 6095-0 1.99 9=60 9L°O 9560 9560 9509 95~,~ 9569 9560 6185.D 1.69 D.29 1.55 O.q2 ~lO O.lS ~9 5.15 25 6275.0 1-81 0.21 1.16 O.bO 407 0.16 6q 2.32 28 6365.0 ~.5~ 0.67 9.77 O.bl 408 0.~6 215 15.93 6A55.0 3.2R O.A5 ~.59 O.~S Al5 0-09 140 9.6~ 15 A5,5.0 2.59 0.59 2. 18 0.55 420 0.21 84 3.96 6635.0 3.31 0.56 2.63 0.60 ~23 0.17 79 4.35 18 6725-0 2-12 0-~3 1-3q 5.6~ 425 0.24 63 2.10 30 6815.0 1.52 ~[60 9560 9562 9~60 9C63 9560 9560 9560 6995.0 2.38 1.~6 ~.15 0.38 418 0.26 174 lC.d4 16 7085.0 1.67 0.78 A.29 0.29 419 0.i~ 254 14.57 17 7175.0 2.09 1.02 3.20 0.3~ ~25 0.2~ 153 8.~6 18 72~5.C 1 .95 1.10 2.75 0.32 ~16 0.29 1~1 8.65 16 7355.0 1 .93 0.52 2'.~1 ~.35 425 D.18 125 6.83 18 7~q5-0 2.11 0.~2 .2.q9 0.53 429 O.lq 118 7.q5 16 7535.0 2,D& D.41 2.50 0.~2 ~29 O.l~ 121 5-87 21 7625.~ 1.~6 ~.~2 1.23 0.29 452 ~.25 8~ 4.30 20 7715.0 1.28 9560 9560 9r6~ 9560 9560 9560 9560 9560 7805.0 1.~7 0.34 1.53 ~.27 452 0.21 90 4.88 19 7895.0 1.32 9560 9560 9ESO 9500 9560 9r60 9560 9560 7985.0 1.65 0.~9 1.90 0.31 ~36 0.21 115 % 6.05 19 807b.0 1.82 0.59 2,~2 C.3~ ~29 0.16 111-, 5.98 8165.0 1.23 9560 9560 9-60 9~bO 9560 9E6~ 9560 9~20.'0 1.31 9E60 9r60 956~ 9560 9563 956.0 ~ 9560 9E6~ 8500.0 1.,6 0.50 2.7~ 0.21 ~35 0.16 188-13.11 8580.0 1.32 9560 9560 9560 9560 9500 9560-' 9560 9560 8660.0 1.40 0.39 3.22 G.2q 435 0.11 230 · 13.35 17 8820.0 I 55 0 ~8 ~ 57 -0 1~ 435 0.10 282 35.64 8 9303.0 1.36 9560 9E60 9563 9560 9563 9~60 9565 9560 938~. 0 1.65 ~." ._~5 3. ~0 D.I~ ~36 ~ . 1~ 218 25.50 9 9~60.0 0.7~ 9r60 9560 9560 9EbO 9C6'~ 9f60 9560 9E60 95~C.0 1 .70 0.73 3.96 0.18 439 ~.15 233 22-01 11 9~GO.O O .70 9E60 9EbO 9F65 9r~O 9~6~ 9560 9560 9560 9~0.0 1.20 ~r60 9560 ~r=~ 9f60 9550 9E60 9E60 9560 69~7.0 ~.83 7.36 lm.32 G.~O 42~ 0.31 338 40.50 8 9154.0 3.12 1.59 9.bl O.l~ ~40 O.l, 3b8 65.82 5 - LASI THREE SAMPLES (-39~7, 8979 AND 915~ FI) ARE'CORE SAMPLES. TABLE 1 (Cont) ! e DEPTH FT TOC SOHIO CHALLENGL ISLANU NO- 1 SI S2 ' S3 TMAX MG/$ MG/G M~/C, C Sl/1+2 HI $2/S3 OI 3685.0 38'05.0 3895.0 3985.0 A075.0 4160.0 4255.0 4345.0 4435.0 452~.0 4615.0 '~?05.0 4795.0 4885.0 4975.0 5065.0 5155.0 5245.0 5365.0 5500.0 5605.0 5695.0 5785.0 1 1215.0 11395.0 11575.0 11845.0 12025.0 12115.0 12295.0 12385.0 12~75.0 12565.0 12655.0 12835.0 =9,_5-0 1"' 13015.0 13195.0 13285.0 13375- 0 13460.0 13540.0 2.14 . -85 1 1.48 2 .lO 2.60 5.29 2.59 6.28 0 0 2.64 0 0.54 9.23 C.1B 0 .19 0 0.43 0.62' 2.70 2.27 1 .41 1 .45 1.52 1 -63 1.25 1.31 1.31 1.36 1 .32 5.78 1.32 1.31 I .2'+ 1.26 1 2.38 I .83 G.77 0.55 5.21 1.24 G.B6 9560 9£60 0.12 1.11 0.70 9560 9560 9--65 0.08 1.19 1.18 9560 9ECg 9£6g C.30 3.1£ 1.~3 9E60 9560 9EG$ 0.15 1.52 1.0~ 9560 9560 9560 0.06 0.40 0.40 9560 9560 9563 0.18 1.99 9560 9560 9--60 0.05 0.21 0.43 9260 9560 9560 0.08 O.iE 0.D9 9560 9F60 9~60 S .05 0.51 0.21 9569 95£,~ 9560 0.13 0.3~ 0.28 9560 9E6G 9560 1.29 1.50 1.14 0.13 0.91 0.55 0.13 0.93' 0.52 G.20 1.09 0.51 '0.11 1.b5 0.60 0.19 1.49 0.37 0.09 0.55 0.5_1 0.12 0.78 0.~9 0.10 0.87 0.q6 0.09 O. 67 0.~3 0.09 0.77 0.42 O.lb 1.96 1.26 0.15 1.14 0.29 0.10 0.98 0.20 g.13 0.95 C.36 C.11 0.86 O .37 0.19 1.5~ 0.3~ 0.27 4.24 5.2~ 1.02 3.11 0.27' 0 .lO O. 59 5.22 O .08 0.38 0.16' ~17 0 428 0.09 9560 9560 42Z O.G6 9560 9563 423 0.09 9560 9560 424 0.09 9£~0 9560 ~20 0.13 9E60 ~, 9550 436 0.11 9C60 9560 -431 ' 0.18 95613 9560 429 0.~5 9C65 9560 430 ~ .10 9~f6D 956~ ~56 ~.27 9£60 9F60 416 0.46 429 0.12 450 O .12 433 0.16 433 O.l~ 429 g.ll 433 0-1, ~29 0.13 ~36 0.15 429 0.12 434 0.11 ~31 0.08 %27 G.12 437 0.1~ ,438 O .12 '~33 G.11 ,~29 O.11 428 0 ~31 431 0 .I~5 ~32 0.17 58 95£0 9[60 57 77 9=~ 60 59 9E60 47 9560 51 9560 38 9280 56 9560 74 9560 .56 956G 66 75 7~ 91 ~0 67 52 86 75 77 08 8~ 178 77 ~0 956~ 1.58 9560 1.al 9£65 2.1-; 9563 9560 0.99 9560 1.78 9560 0.48 9560 1.1~ 9560 2.37 9560 1.22 9563 1.32 1.65 1.79 2.13 1 4. S'7 1.08 1.91 1 1.81 1 3.91 3.4-=3 2.6S 2.34 17.73 11.67 2.74 2.37 956b 43 9560 56 9560 35 9560 40 9560 9560 32 9560 80 9560 49 9F69 31 9F60 45 9L60 50 3? 22 31 32 x3 22 21 29 29 19 15 25 29 TABLE 2 Depth (ft) 620 8OO 1070 1340 1670 1790 2120 2330 2600 2810 3080 3350 3620 3800 4040 4310 4730 4820 5090 5270 5540 5810 6050 6320 6590 6950 7040 7310 7580 7850 8120 8300 8540 8780 9154 9340 9580 9800 TABLE 3 Vitrinite Reflectance Analysis Kavearuk Pt. VR (%) 0.32 0.35 0.31 0.47 0.32 0.38 0.36 0.29 0.33 0.'29 0.30 0.30 0.33 0.37 - 0.33 0.35 0.37 0.35 0.34 0.38 0.40 0.38 0,38 0.40 0.47 0.49 0.47 0.47 0.53 0.52 0.53 0.53 0.55 0.58 0.47 0.55 0.80 0.55 TABLE 3 (cont) Depth (ft) 3850 4120 4390 4660 4930 5110 5440 5650 11620 11890 12160 12250 12430 12610 12790 12880 13150 13420 13580 Challenge Island VR (%) 0.30 0.29 0.26 0.31 0.31 0.34 0.29 0.'39 0.55 0.59 0.62 0.60- 0.64 0.69 0.63 0.64 0.59 0.64 0.61
