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GMC Data Report No. 072
Organic Carbon, Rock-eval Pyrolysis, Kerogen Type, Maturation, and Vitrinite Reflectance Geochemical Data, and a Source Rock Evaluation for the Exxon 0CS-Y-0280-1 (Antares No. 1) Well. 31 December 1987 Report contains a total of 10 pages Geologic Materials Center .Data Report 72 TABLE I EPTD TOP SAMPLE NO. DEPTH (FT) ORGANIC CARBON AND ROCK-EVAL PYROLYSIS DATA EXXON ANTARES #1 WELL BEAUFORT SEA, ALASKA BOTTOM %ORGANIC Sl S2 S1+S2 S3 HI OI KTR TMAX DEPTH CARBON S2/0C S3/0C S1/S1+S2 DEG C (FT) 1093B-001 7250 7259 3.09 0.61 5.88 6.49 0.28 191. 9. 0.09 451 1093B-002 7260 7269 3,12 0.65 6,51 7,16 0.57 208. 18, 0,09 1093B-003 7270 7277 3,14 0,72 8,53 9,25 0,42 272, 13, 0,08 450 1093B-004 7280 7289 3,35 0,50 4,75 5,25 0,31 142, 9, 0,10 454 1093B-005 7290 7299 2.94 0,60 4,94 5,54 0,32 168, 11, 0,11 453 1093B-006 7300 7309 2,99 0.54 4,48 5,02 0,30 150, 10, 0,11 451 1093B-007 7310 7319 2,92 0.52 4,12 4.64 0.16 141, 5, 0,11 453 1093B-008 7320 7327 2,62 0,42 3,11 3,53 0,29 119, 11, 0,12 452 1093B-009 7340 7349 3,23 0,43 2,26 2,69 0,20 70. 6, 0,16 457 1093B-010 7350 7396 2,44 0,31 1,31 1.62 0,32 54, 13. 0,19 449 1093B-011 7357 7363 2,59 0,39 1,52 1,91 0,68 59, 26, 0,20 450 1093B-012 7364 7369 2,08 0,28 1,00 1,28 0,18 48, 9, 0,22 I 1093B-013 '7370 7379 2,10 0,35 2,71 3,06 1,60 129. 76, 0,11 435 1093B-014 7380 7389 1,41 0,18 0.89 1,07 1,75 63, 124, 0,17 I 1093B-015 7390 7398 1,93 0,28 0,68 0,96 0,45 35, 23, I I 1093B-016 7399 7409 2,20 0.25 0.73 0.98 1.25 33. 57. 0.26 I 1093B-017 7410 7419 3.59 0,52 1.59 2,11 0,45 44, 13, 0,25 444 1093B-018 7420 7429 2.99 0,44 1,45 1,89 0,83 48, 28, 0,23 448 1093B-019 7430 7439 2,17 0,25 0.93 1,18 2,06 43, 95, 0,21 I 10938-020 7440 7449 2,11 0,26 0,76 1,02 1,17 36, 55, 0,25 I 1093B-021 7450 7459 2,08 0,36 0,93 1,29 0,21 45. 10, 0,28 I 1093B-022 7460 7469 0.69 1093B-023 7470 7479 0,74 1093B-024 7480 7489 0,88 !093B~025 7490 7499 0.73 1093B-026 7500 7509 0.81 1093B-027 7510 7519 0,93 1093B-028 7520 7529 1,00 0.32 1,23 1,55 0,42 123, 42, 0,21 445 1093B-029 7530 7539 1.24 0,50 1,98 2,48 0,61 160, 49, 0,20 437 1093B-030 7540 7549 0,90 1093B-031 7550 7559 1,05 0,45 1.39 1,84 0,40 132, 38, 0.24 '438 1093B-032 7560 7568 1,00 1,05 2,17 3,22 0,39 217,* 39, 0,33 447 1093B-033 7650 7659 0.56 1093B-034 7660 7669 0.65 1093B-035 7670 7679 0,59 1093B-036 7680 7689 0,58 1093B-037 7699 7699 0,50 1093B-038 7700 7709 0,54 1093B-039 7710 7719 0,50 1093B-O40 7720 7729 0.49 1093B-061 7730 7739 0,48 1093B-042 7740 7749 0,52 FORMATION PEBBLE SHALE KINGAK TABLE I ORGANIC CARBON AND ROCK-EVAL PYROLYSIS DATA EXXON ANTARES #1 WELL BEAUFORT SEA, ALASKA EPTD TOP BOTTOM ~ORGANIC SAMPLE NO. DEPTH DEPTH CARBON { FT) (FT) s1 S2 Sl+S2 S3 HI OI KTR TMAX S2/0C S3/OC Sl/Sl+S2 DEG C FORMATION 10938-043 7755 7759 0.53 10938-044 7760 7769 0.58 10938-045 7770 7779 0.58 10938-046 7780 7789 0.56 10938-047 7790 7799 0.44 10938-048 7800 7809 0.50 .mmmmmmmmmmmmmmmmmm 10938-049 7819 7819 0.30 10938-050 7830 7830 0.48 10938-051 7819 7819 1.05 10938-052 7830 7830 0.43 0.10 0.36 0.46 0.79 34. 75. I I ..............--......--....-------------------------------- 10938-053 7858 7858 0.32 10938-054 7875 7875 0.47 10938-055 7885 7885 0.23 10938-056 7892 7892 0.52 10938-057 7909 7909 0.26 10938-058 7922 7922 0.85 10938-059 .7936 7936 0.46 10938-060 7946 7946 0.47 10938-061 7961 7961 0.68 10938-062 7970 7979 1.06 0.27 10938-063 7980 7989 1.14 0.32 10938-064 7990 7999 0.99 0.30 10938'065 8000 8007 1.36 0.37 10938-066 8016 8016 1.27 0.20 1093B-067 8045 8054 1.53 0.63 1093B-068 8055 8064 1.34 0.48 1093B-069 8065 8074 1.Sq 0.55 10938-070 8075 8084 1.56 0.48 10938-071 8085 8087 3.14 1.11 10938-072 8152 8159 0.66 10938-073 8205 8205 0.19 1.54 1.81 0,28 146. 27. 0.15 439 1.81 2.13 0.36 159. 32. 0.15 446 0.96 1.26 0.44 97. 45. 0.24 I 1.57 1.94 0.42 116. 31, 0.19 439 0.56 0.76 7.20 44. 565. I I 5,33 5.96 0.58 3q9. 38. 0.11 445 4.03 4.51 0.49 302. 37. 0.11 443 4.42 4.97 0.53 287. 34. 0.11 443 3.32 3,80 0.54 212. 35. 0.13 445 11.39 12.50 0.97 362, 31. 0.09 442 SAG RIVER SHUBLIK SADLEROCHIT TABLE I ORGANIC CARBON AND ROCK-EVAL PYROLYSIS DATA EXXON ANTARES #1 WELL BEAUFORT SEA, ALASKA S1 - DISTILLABLE HYDROCARBONS PRESENT IN ROCK (HG/G OF ROCK) S2 - GENERATED HYDROCARBONS FROM PYROLYSIS OF KEROGEN ... HYDROCARBON GENERATION POTENTIAL OF THE ROCK (HG/G OF ROCK) S1+S2 - TOTAL HYDROCARBON POTENTIAL OF THE ROCK (MG/G OF ROCK) S3 - C02 GENERATED FROM KEROGEN PYROLYSIS (MG/G OF ROCK) HI - HYDROGEN INDEX (NG GENERATED HYDROCARBONS / G OF ORGANIC CARBON) 0'1 - OXYGEN INDEX (MG C02 / G OF ORGANIC CARBON) KTR - KEROGEN TRANSFORMATION RATIO ..o PROPORTION OF DISTILLABLE HYDROCARBONS TO TOTAL HYDROCARBON POTENTIAL ... USED AS A MATURATION INDEX WHEN SAMPLES ARE CONTAMINATION-FREE TMAX - PYROLYSIS TEMPERATURE AT WHICH A MAXIMUM YIELD OF GENERATED HYDROCARBONS OCCURS ... TMAX INCREASES WITH INCREASING MATURATION I - HYDROCARBON YIELDS (S1 AND/OR S2) ARE TOO LOW FOR RELIABLE INTERPRETATIONS U - TMAX IS LESS THAN 400 DEGREES C AND IS NOT REPRESENTATIVE OF KEROGEN TRANSFORMATION FIGURE 1 TOTAL HYDROCARBON GENERATION POTENTIAL EXXON ANTARES #1 )- O POOR-FAIR -- I I t~ I I I I I I I I I I I I I iGOOD, EXCELLENT TOTAl. ORGANIC CARBON (Wt' %) GMC Data Report 72 4/'10 FIGURE 2 MODIFIED VAN KREVELEN DIAGRAM EXXON ANTARES #1 WELL, ALASKA 1000 - 800 - × 'Z 600 - i. .~0 400 TYPE I TYPE II 0 100 200 300 400 OXYGEN INDEX OCT I~B7 JOB NUHBER: 1093 YELL: EXXON ANTARES COUNTRY: USA TABLE I TEXACO RESEARCH ORGANIC PETROLOGY KERDGEN TYPES AND MATURATION (--MATURATION---) ( SAHPLE DEPTH U MEAN Ro(X) T.A,I. FL.AMOR NFL. AHOR ALGIN 8-003 7277F B-O09 7349F FIELD: BEAUFORT SEA STATE: ALASKA ,KEROGEN TYPES (VOL~) EX VIT INERT .47 2.45 .00 95.00 .00 .00 5.00 .00 COUNTY: OFFSHORE PAGE I ) TOT.XOIL TOT.XGAS QUALITY PARTICLE ENVIRON. PRONE PRONE PRESERVE SIZE DEPOSITION. .00 100.00 FAIR 2.55 .00 95.00 .00 .00 5.00 .00 · 65 2.60 .00 90.00 .00 .00 10.00 .00 B-032 7568F B-071 BO87F .00 IO0.O0 FAIR .00 100,00 FAIR · 70 2.65 10.00 75.00 .00 5.00 10.00 .00 15.00 85.00 FAIR SAMPLES B-O03 AND B-O09 CONTAINED TRACE AMOUNTS DF FLUORESCENT AMORPHOUS MATERIAL AND EXINITIC MATERIAL. SAMPLE B-032 CONTAINED TRACE AMOUNTS OF EXINITIC MATERIAL. MEDIUM UNKNOWN MEDIUM UNKNOWN MEDIUM UNKNOWN MEDIUM UNKNOWN SAMI:'L. IE DEF"T'H U I"IEAI"'~ Ro ( % ) 'T.A.I. FL .... AMOR NFL. AMOIR Al_GIN EX V I 'F INERT TOT. %[11 L. F"'RONE 1'O'1'. %GAS I='RONE QUALITY PRESERVE PAIR'I' I CEE SIZE ENVIRON DEPOSITION. .' ., KEROGEN TYPES AND MA]"URATION REPORT I<EY TO ABBIREVIATIONS SAMF'L_E I"-J LJ M BIF Fi' DEP'FH NORMAL. IZEI) TO SEA LEVEL UNIT OF DIEI:'TI'"I MEASURE ( F - FEET M - METERS) MEAN REFL. ECTAi"'.ICE EXF'RESSEI) AS A F'ERCENT THERMAL_ AL_I"ERA'I'ION INDEX VOLUME F'ER[:ENTAGE DF FLORESCENT AMDRPHOUS KEROGEN VOi_UME PERCENTAGE OF NON-FL_ORESCEi"~T AMORF'HOUS KERDGEN VOL. UME PERCEN]"AGE OF ALGINITE VOI_UME P.F-RCENTAGE OF EXINI]"E VOLUME: F-"ERCENTAGE DF VI TR I NI'rE VOLUME PERC[.:i"4TAGE OF INERTINI]'E I"OTAI_ F'ERCEi'd'TAGE OF OIL_ PROI'qE MAI"ERIAL 'TOTAL PERCENI'AGE OF GAS PRONE MATERIAL QUALITY OF F'RFSERVATION F'ART I CL_E S I ZE El'IV I RONMENTAL. DEPOS I 'r I O1'4 AMC. Data Renort 72 6/10 FIGURE SAMPLE NO. 10938-003 UNGROUPED MEAN 0,495 DATE 10-27-87 UNOROUPEO S.O. 0,088 NUMBER OF READINGS 48 GROUPED MODE 0.45 DEPTH 7270 TO 7277 FEET M[N 0.35 MAX 0.71 JOB 1093 EXXON ANTARES ~1, BEAUFORT SEA I I I '1 ] ''1 I I I I I I I I I I ..... ~ I :. - [, [ ~ T[T~ II i 1 ! ! I ! ! ! ! ! ! I 96 >-28 Z24 r~12 0.0 0.2 0.4 0.6 0.8 1.0 t .2 t .4 t .6 t'.8' 2 PERCENT REFLECTANCE 36 92 >-28 4 SAMPLE NO. 10938-032 UNOROUPED MEAN DATE 10-27-87 UNGROUPED S.D. NUMBER OF READINGS lO GROUPED MODE DEPTH 7560 TO 9568 FEET MIN 0.57 MAX JOB 1093 EXXON ANTARES ~I. BEAUFORT SER I I I I I I I I I I I I I I I 0.654 0.066 0.65 0.76 I I I I I iTfl-]TIITTTI, ,I I , I,, I I I ,,,t ,, l, I 1,, I 0.2 0.4 0.6 0.8 t .0 I .2 i .4 t .6 I .8 PERCENT REFLECTANCE ., 36 32 >-28 724 SAMPLE NO. 10938-009 UNGROUPED MEAN 0.659 DATE 10-27-87 UNGROUPED S.O. 0,071 NUMBER OF READINGS 81 GROUPED MODE 0.55 DEPTH 7340 TO 7349 FEET MIN 0.42 MAX 0.70 JOB 1093 EXXON ANTARES ~1, BEAUFORT SEa I"' I I ' I "' I .... I '1 ........ I '" I' I I .... I ....... J ...... I' '' I '1 '" I .... -- - '1 I I rTTT T I I I I . I I I I I I I I 920 1.1_116 0 0 0.2 0.4 0.6 0.8 t.O t.2 t.4 t.6 PERCENT REFLECTANCE SAMPLE NO. 1093B-071 UNGROUPED MEAN 0.706 DATE 10-27-87 UNOROUPED S.D 0.089 NUMBER OF READINGS 25 OROUPED MODE 0.75 DEPTH 8085 TO 8087 FEET MIN 0.5? MAX 0.80 JOB 1093 EXXON ANTARES ~1, BEAUFORT SEA I "1 I I I" I I I I I I' f" J I' t I I I , , , , I , T~TTJ ~T ,, , ,, i, , , , , , ! , 96 32 >-28 i .8 2.0 0.0 0.2 0.4 0.6 0.8 I .0 t .2 1.4 I .6 [ .8 2.0 PERCENT REFLECTANCE RECORDED BY L.M. DRRNELL, EDITED BY C.R. ROBISON 29-0CT-87 V I TR'I N I TE REFLECTRNCE DEPTH PROFILE JOB 109:3 EXXON FINTFIRE$ *~1, Cl Ill EZ].c_ [] MODE X MERN H ±ONE STRNDRRD DEVIRTION THF MERN I BERUFORT SER I I I I PERCENT RBOUT GMC Data Report 72 1.0 1 $2.0 3.04.0 REFLECTflNCE 8/10 30-0CT-8'7 TEXACO INC. GEOLOGICAL LABORATORY REPORT Los Angeles, California June 11, 1987 Exxon Antares OCS-280 #1 Block 971, NR 5-4 Beaufort Sea, AK RANGE & NUMBER OF SAMPLES % % Oc SAP 5720-900 6.87 0-10 5900-6050 3.45 0-10 6050-6200 5.87 10 6200-6350 4.44 10 6350-500 3.93 0-10 6500-650 2.68 0-10 6650-770 1.93 0-10 6770-860 1.54 0-10 6860-980 1.64 0 · 6980-7030 1.35 0-10 7030-100 1.86 0-10 7100-7150 2.89 60 7150-200 2.81 50 7200-250 2.75 40 7250-300 2.86 45 7300-350 3.37 45 7350-400 3.05 45 7400-450 2.97 45 7450-500 2.84 45 7500-550 2.90 45 7550-600 2.76 45 7600-650 2.92 40 7650-700 2.64 35 7700-750 2.54 50 7750-800 2.32 40 7800-850 2.03 35 7850-900 1.89 35 5720-8450 (37 ditch) SOURCE ROCK EVALUATION Ro TAI .45 2.4-2.6 2.4-2.6 2.4-2.6 2.4-2.6 .56 2.4-2.6 2.6 2.6 . 2.6 .55 2.6 2.6 2.6 2.6 .53 2.6 2.6 2.6-2.8 2.6-2.8 .65 2.6-2.8 2.6-2.8 2.6-2.8 2.6-2.8 .60 2.6-2.8 2.6-2.8 2.6-2.8 2.6-2.8 .55 2.6-2.8 2.6-2.8 2.6-2.8 HYDROCABON POTENTIAL Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Good Gas Good Gas Good Gas Excellent Gas Excellent Oil Excellent Oil Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Gas Excellent Oil Excellent Gas Excellent Gas Excellent Gas MATURITY Immature Immature Immature Immature Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative ,-.ur, ns+:, O-,~n~- 72 9/10 · 7900-50 1.66 35 7950-8000 1.73 35 8000-50 1.32 35 8050-100 1.38 25 8100-50 1.60 50 8200-50 1.94 50 8250-300 1.60 50 8300-50 1.16 50 8350-400 1.67 60 8400-50 2.10 60 % SAP Ro .56 .55 .57 · 2. 2. 2. 2. 2. 2. 2. 2. 2. TAI 6-2 6-2 6-2 6-2 6-2 6-2 6-2 6-2 6-2 6-2 HYDROCABON POTENTIAL .8 Good Gas .8 Good Gas .8 Good Gas .8 Good Gas .8 Good Oil .8 Excellent Oil .8 Good Oil .8 Good Oil .8 Good Oil .8 Excellent Oil MATURITY Generative Generative Generative Generative Generative Generative Generative Generative Generative Generative .............. "~' 10/10
