New Mexico Bureau of Mines and Mineral Resources OF 247 Open File Report No. HYDROCARBON SOURCE-ROCK EVALUATION STUDY, SELECTED OUTCROP SAMPLES OF PALEOZOIC AND MESOZOIC GRANT, HIDALGO,AND LUNA COUNTIES,NEW MEXICO ROCKS by L. Paul Tybor GeoChem Laboratories, Inc. Houston, Texas April 15, 1982 (Additional data on locations and stratigraphic positicns of samples are available for inspection at NMBMMR. Contact Sam Thompson 111). GEoCHEM'CAL ANALYSES SOURCE ROCK EVALUATION CRUDE OIL-SOURCE ROCK CORRELATION 1143-C BRITTMOORE ROAD CRUDE OIL CHARACTERRATION GEOCHEMICAL PROSPECTIN') HOUSTON, TEXAS 77043-5094 713f467-7011 A p r i l1 5 , 1982 Mr. Clayton S. Valder M a r s h a l l R. Young O i l Co. 750West F i f t h S t r e e t F o r t Worth,Texas76102 Table - Type o f A n a l y s i s % t o t a lo r g a n i cc a r b o n determination............I P y r o l y s i s a n a l y s i s ..............................I1 Visual kerogen assessment. ......................I V i t r i n i t e r e f l e c t a n c e . ..........................IV I1 ; Histograms Mr. ClaytonValder -2- April15, 1982 DISCUSSION OF TFIE RESULTS ColoradoShale Colorado%halesamples 2259-003,-005,-006,-008,-011,-012,and-016, collected from C o o k Range c o n t a i n f a i r amountsof organicmatter(Table V I ) couprised predominantly of thegas-prone woody o r g a n i cm a t t e rt y p e( T a b l e 111). These on t h el i g h t brown rockshaveexperienced a maturegeothermalhistory,based have a Irature, III), and a s a r e s u l t ,t h e s es h a l e s kerogencoloration(Table poor o i l , f a i r gassourcecharacter. The poor o i l p o t e n t i a l of thesesediments i s evidenced by t h ep o o rf r e eh y d r o c a r b o ny i e l d s ( S ; Table 11) o b t a i r e d i n t h e p y r o l y s i s a n a l y s e s performedonthesesamples. Duringpyrolysisanalysis, i s normally lost, however,any l i q u i d i s recovered.1 thegaseoushydrocarbon t The remainingColoradoShalesamplesareorganic-leanwithpoorhydrocarbon g e n e r a t i n gc a p a b i l i t i e s . Percha Shale m e two ( 2 ) PerchaShalesamples(2259414 and -015)analyzedhaveexperienced mature(-014) and verymature (-015) g e o t h e r m a l h i s t o r i e s , and arecomprised tYF (Table predominantlyoftheoil-prone,amorphous-saprope1organicmatter 111). Rowever, t h e amount o fo r g a n i cm a t t e rc o n t a i n e di nt h e s e two ( 2 ) Percha Shalesamples i s l e a n( T a b l e I) and c o n s e q u e n t l yt h e s es e d i m e n t sa r ec o n s i d e r e d nonhydrocarbonsources. S h a l ei nS a r t e n and ScherrerFormations t h eS c h e r r e rf o r m a t i o n The two ( 2 ) shalesamples from S a r t e n (2259-017)and ( 2 2 5 9 - 0 1 8 )a r ev e r yo r g a n i c - l e a n ,s u c ht h a tn oa s s e s s m e n t of t h e i r t h e r m a l m a t u r a t i o n was possible.Theserockshave a poorhydrocarbonsourcecharacter. U-Bar Formations A l l U-Bar Shalesamplescontainpooramounts of o r g a n i c m a t t e r (<0.509, TOC; T a b l e I) a tv e r ym a t u r et h e r m a lm a t u r a t i o nl e v e l s .T h e s es e d i m e n t sa r er a t e da s poor hydrocarbon sources. Mr. ClaytonValder -3- A p r i l 1 5 , 1982 HojadoFormation ofHojadoshalesamples2259-030 and -031 w i t h i n t h e Brockman Rills, a l l o f t h e Mojado rocksareorganicdeficient,withpoorhydrocarbong e n e r a t i n gp o t e n t i a l . The twoMojado s h a l e s from Brockman Hills, c o n t a i n f a i r t o good amounts ('ITOC; T a b l e I) ofgas-prone woody organicmattertype(Table III), a tm o d e r a t e l y immaturethermalmaturationlevels. As a r e s u l t ,t h e s e r o c k sa r ec h a r a c t e r i z e da sm o d e r a t e l yi m m a t u r e ,p o o ro i l ,f a i rt o good gas sources. With t h e e x c e p t i o n Should you h a v ea n yq u e s t i o n sc o n c e r n i n gt h i sd a t a ,o fi f a s s i s t a n c et o y o u ,p l e a s ef e e lf r e et oc o n t a c t US. we can be of f u r t h e r Yours t r u l y , Paul Tybor DrojectCoordinator GEOCHM LABORATORIES, I N C . st Enclosures Table I SCREEN ANALYSIS SUMMARY TotalOrganic Carbon (% of Rock) GeoChem Sample Number Client I.D. Location 2259-001 A-1 Colorado Shale- Range Cooks 2259-002 A-2 Colorado Shale 2259-003 A-3 Colorado Shale 2259-004 A-4 Colorado Shale - Cooks - Range Cooks - Range Cooks 2259-005 A-5 Colorado Shale - Range Cooks 2259-006 A-6 Colorado Shale 2259-007 A-7 Colorado Shale 2259-008 A-8 Colorado Shale 2259-009 A- 9 Colorado Shale 2259-010 A-10 2259-011 A-1 1 2259-012 A-12 2259-013 A-13 - Cooks Range Colorado Shale - Cooks Range Colorado Shale - Cooks Range Colorado Shale - Cooks Range Colorado Shale - Cooks Range 2259-014 #81 Percha-Gym Pe&-Floridas 2259-015 158A Percha Shale 2259-016 159A Colorado Shale 2259-017 163A 2259-018 275 2259-019 325 - Cooks Range Shale i n Sarten - Cooks Range Scherrer Fom - Peloncillo Mts. U-Bar - L i t t l e Hatchets 2259-020 327 U-Bar 2259-021 330 U-Bar 2259-022 333 U-Bar - - ' Range - Range Cooks - Range Cooks - Range Cooks Cooks Range L i t t l e Hatchets - L i t t l e Hatchets - L i t t l e Hatchets 0.30 0.34 0.64 0.33 0.54 0.58 0.28 0.77 0.47 0.40 0.63 0.54 0.34 0.27 0.27 1.10 0.07 0.03 0.24 0.25 0.31 0.28 Table I SCREEN ANALYSIS SUPNARY GeoChem Sample Number Client I.D. Location Total Carbon (% o f Rock) U-Bar - Little 0.48 Hatchets 2259-023 334 2259-024 341 2259-025 342 - Little Hatchets Hatchets U-Bar - Little 2259-026 351 Mojado - L i0.06/0.07 t t l e Hatchets 2259-027 352 Mojado - 2259-028 357 2259-029 373 2259-030 374 2259-031 375 2259-032 376 War - Little Hatchets Mojado - Brochan Hills Mojado - Brockman Hills Mojado - Brockman Hills Mojado - Brockman H i l l s Mojado ' L i t t l e Hatchets 0.03 0.21 0.15 0.10 0.15 0.93 0.97/0.96 0.26 PAGE 1 OF 1 T.O.C. s1 PAGE s2 s3 PC* rI Tmx HESULTS OF ROCK-EVAL PYHOLYSIS A-3 A- 5 A- 6 1 A-12 1 59A 334 374 375 366 297 428 0.30 433 421 366 0.14 273 378 0.20 0.03 0.01 0.12 0.03 0.04 0.02 0.02 0.01 00.92 .01 0.020.37 0.13 0.07 0.29 0.33 0.03 0.19 0.09 0.56 0.49 0.52 0.60 1.22 0.54 0.43 ut. Z Totalorganiccarbon, = Freehydrocarbons, of rook Henidualhydrocarbon p o t e n t i a l (mg HC/g of rock) i CO2 produced I'rom kerogen pyrolysis (mg CO2/g of rock) mg HC/g I = 0.083 + S2) (SI Hydrogen z mg HC/g organic carbon Index Oxygen Indux = mg C O W & organic carbon TABLE I1 2259-003 2259-005 2259-006 A-8 2259-008 A-1 2259-011 2259-012 2259-016 2259-023 2259-030 372 0.02 2259-031 271 L 0.64 0.19 0.09 0.12 0.63 0.06 0.12 0.25 0.05 0.25 = SI/SI+SZ Temperature Index, degrees 0.01 0.00 0.02 0.02 0.02 0.54 0.58 0.77 0.01 ~.~~ 0.54 0.00 0.01 0.00 0.00 1.10 0.48 0.93 0.97 20 87 ~. 12 50 38 52 25 2 39 9 6 90 89 ~~ ~ 77 100 C. 193 39 191 39 48 VLal = very l i t t l e organic material. TableV I SUMMARY VlTRlNlTE REFLECTANCE GEOCHEM SAMPLE NUMBER A-3 2259-003 DEPTH (feet) 0.85 NUMBER rYPE OF OF POPULATION READINGS SAMPLE a!43 MINIMUM MEAN MAXIMUM REFLECTANCE REFLECTANCE REFLECTANCE I % Ro) 1 % Ro) I % Ro) 0.065 0.94 1.10 1.06 17 1.15 10 0.97 1.22 1.48 2.16 (2) 9 8 1.00 1. 13 .85 1.24 2.33 (1) ( 22. )16 8 1.76 8 1.40 1.96 2.44 (1) ( 2 ) 1.20 17 1.50 A-8 2259-008 (1) a! (2) 159 2259-016 A 334 2259-032 (1) a3 -a! 0.176 375 2259-031 a!34 0.62 (1) (2) 26 0.61 0.45 0.053 0.68 0.84 STD. DEV. (%Ro) REMARKS INDIGENODS 0.102 mm 1.06 0.057 0.271 INDIGENOUS REIJORKED 1.09 0.076 0.356 INDIGENOUS REWORRED 1.60 0.141 INDIGENOUS REwc%IRED 0.53 0.045 INDIGENxlS REmRKED GEOCHEM NO. 2259-003 CLIENT'S NAME MARSHW YOUNG TYPE OF SAMPLE: /SAMPLE DEPTH CUKROPS NAME NO. A-3 WELL (No.OF READINGS = 60) 0.85 0.85 0.85 0.86 0.86 0.86 0.87 0.87 0.88 0.88 0.89 0.89 0.90 0.90 0.91 0.91 0.92 0.93 0.93 0.94 0.94 0.95 0.95 0.95 0.96 0.96 0.96 0.97 0.97 0.99 0.99 '0.99 1.00 1.01 1.02 1.03 1.04 1.04 1.05 1.05 1.06 1.06 1.10 1.ll 1.11 1.U 1.13 1.13 1.14 1.14 1.15 1.17 1.22 1.23 1.23 1.23 1.29 1.32 1.50 POPULATION NO. OF READINGS MlN Ro ( % MAX. Ro ( %) MEAN Ro( %) STD. DEL( %) REMARKS 0.065 1.06 0.94 0.85 43 (1) 1.20 0.102 1.10 1.50 17 (2) 0.90 c - CAVE OoKpAMIMLTION x - INDIGENMJS 0 xxxx xxxxx x )[XX)(XlMXXrn VlTRlNlTE 0 0 REFLECTANCE HISTOGRAM - RExxcLEn POPumTIoN ,_ GEOCHEM NO. 2259-008 CLIENT'S NAME W H w YOUNG TYPE OF SAMPLE: moPs NAME DEPTH /SAMPLE NO. OF READINGS MIN Ro ( % (1) (2) 1.15 17 2.16 10 0.97 1.22 1.11 MAX. Ro ( %) 0.057 0.271 X XXXXXX ~ 0.0 01 V ITRINITE 3 A-8 WELL (NO. a READINGS = 27) 0.97 0.97 0.98 1.00 1.02 1.03 1.04 1.05 1.05 1.06 1.06 1.09 1.09 1.13 1.14 1.15 1.22 1.26 1.28 1.35 1.39 1.47 1.49 1.55 1.59 2.16 POPULATION NO. MEAN Ro ( %) 1.06 1.48 STD. DEV. ( % ) REMARKS ~~~~ om 00 a3 REFLECTANCE HISTOGRAM 00 0 GEOCHEM NO, TYPE OF SAMPLE: 2259-016 DEPTH /SAMPLE OUltXOPS NO. 159 A ~~ CLIENT'S NAME (No.OF -HALL MUNG READINGS = 17) 1.00 1.01 WELLNAME 1.041.05 1.07 1.091.13 1.15 1.241.381.421.721.731.84 2.172.192.33 POPULATION (1) (2) 0 %) C X STD. DEV.(%) 0.076 IS O-RECYCL5l - 0 - - '2- - 3 - = 9- xx VlTRlNlTE REFLECTANCE HISTOGRAM REMARKS - CAVE @XI!NINATION - INDIGENXIS POWLATION - a w m 1.24 0.356 1.00 1.38 MEAN Ro( 1.09 1.85 - a a MAX. Ro ( %) 18- W I& RO ( % ) - a z 9 82.33 MIN - 21 m NO. OF READINGS 0 f GEOCHEM NO. 2259-031 CLIENT'S NAME MWSHALL YOUNG (NO.OF READINGS = 60) 0.51 0.60 0.68 0.520.52 0.610.62 0.70.70 POPULATION 0.45 (1) (2) TYPE OF SAMPLE: NAME 0.45 0.53 0.63 0.71 0.46 0.47 0.47 0.53 0.54 0.55 0.55 0.63 0.63 0.63 0.64 0.72 0.74 0.75 0.70 NO. OF READINGS MIN RO ( % 34 26 0.62 0 DEPTH /SAMPLE mncR0PS 375 WELL 0.47 0.480.480.490.490.490.50.50.50.51 0.55 0.550.560.560.560.570.580.590.590.59 0.64 0.650.650.660.660.670.670.670.670.68 0.79 0.84 MAX. RO ( %) MEAN RO( %) STD. DEV. 0.61 0.840.053 NO. 0.53 0.68 0.045 (%) REMARKS -?. i QEoCHEM'CAL SOURCE ROCK EVALUATION CRUDE OIL-SOURCE ROCK CORRELATION 1143-c BRITWOORE ROAD e HOUSTON, TEXAS CRUDE OIL CHARACTERIZATION OEOCHEMICAL pRospEcTINF nw-mw e 71314r"11 A p r i l 15,1982 Mr. Clayton S. Valder Marshall R. Young O i l Co. 750West F i f t h S t r e e t F o r t Worth,Texas76102 Dear Mr. Valder: E n c l o s e dp l e a s ef i n dt h er e s u l t s of theorganicgeochemicalanalvsesFerfomed on t h i r t y - e i g h t (38) Ordovician-ageoutcroprocksamples fromLuna,Grant and Hidalgo Counties, New Mexico. GeoChem J o b Number 2269, Upon a r r i v a l a t GeoChem thesampleswereassignedthe andwere s u b m i t t e dt ot h ef o l l o w i n ga n a l y t i c a lp r o g r a m : Table Analysis TvDe of X t o t a lo r g a n i cc a r b o n Pyrolysis analysis Visualkerogen determination............I .............................. I1 assessment.......................III DISCUSSIONOF THE RESULTS The r e s u l t so b t a i n e d from t h et o t a lo r g a n i cc a r b o n( T a b l e I) and p y r o l y s i s (Table 11) a n a l y s e sp e r f r a n e do nt h e s er o c k si n d i c a t et h a tt h e ya r eo r g a n i c l e a n , and nonprospectiveashydrocarbonsources.Thereare,however,variations i n the thermalmaturity of t h e s es e d i m e n t s ,h i c hs h o u l dp r o v e t o be h e l p f u l i n a s s e s s i n gr e g i o n a lt h e r m a lm a t u r i t yt r e n d sw i t h i nt h eb a s i n . Mr. Clayton S. V a l d e r -2- 1 5A , pril 1982 GeoChem samplenumbers 2269-017,-018,-019,-020,-021,-022,-023,-024,-025,-026, -027,and -029 a r e t h e r m a l l y m a t u r e , andconsideredto be w i t h i n t h e 04.1 window. If t h e s er o c k sc o n t a i n e df a v o r a b l e amountsoforganicmatter,thenoil and gas generation could have occurred. Rock samples 2269-037and-038have experienced a very mature geothernal h i s t o r y , and a r e c o n s i d e r e d w i t h i n t h e wet gas-condensategeneratingzone. The remainingsamples2269-001 t o -016,2269-028, and 2 2 6 9 4 3 0 t o -035, have a t t a i n e ds e v e r e l ya l t e r e dm a t u r a t i o nl e v e l s and h e n c e ,a r eo n l yp r o s p e c t i v ef a r thermally-derivedmethane (C1) drygas. For t h ee x p l o r a t i o n i s tt oe n c o u n t e ri n d i g e n o u s l yg e n e r a t e dh y d r o c a r b o l theseOrdovician-agerocksamples,anadjacentorganic-richfacies be p r e s e n te l s e w h e r ei nt h eb a s i n . Shouldyouhaveanyquestionsconcerning a s s i s t a n c e t o y o u ,p l e a s ef e e lf r e et oc o n t a c t thisdata, from m J l d haveto of if ve can be of f u r t h e r us. Yours t r u l y , Paul Tybor P r o j e c tC o o r d i n a t o r GEOCHEX LARORATORIES,INC. st Enclosures Table I SCREEN ANALYSIS SUMMARY 26 GeoChem Sample Number Client 2269-001 14 L/E1 Paso Luna County,Sec. 10-25s-8W 0.05 2269-002 18 L / E l Paso Luna County, Sec. 10-25s-8W 0.04 2269-003 22 L/E1 Paso Luna County,Sec. 10-25s-8W 0.05 M/El Paso Luna County, Sec. 10-255-8W 0.04/0.03 1.0. LocationFormation 2269-004 2269-005 30 M/E1 Paso Luna County, Sec. 10-255-8W 0.05 2269-006 32 M/E1 Paso Luna County,Sec. 10-25s-8W 0.04 2269-007 34 U/E1 Paso Luna County,Sec. 10-25s-8W 0.06 2269-008 37 Upham Luna County,Sec. 10-255-8W 0.06 2269-009 48 Cab1 e Canyon Luna County, Sec. 7-26s-7W 0.08 2269-010 49 Upham Luna County, Sec. 7-265-7W 0.05 2269-011 50 Upham Luna County,Sec. 7-26s-7W 0.04 2269-012 52 Alman Luna County, Sec. 7-26s-7W 2269-013 57 Cutter Luna County,Sec. 7-26s-7W 0.04 2269-014 61 Cutter Luna County, Sec. 7-26s-7W 0.06 2269-015 64 Cutter Luna County,Sec. 7-26s-7W 0.04 2269-016 87 El Paso tuna County,Sec. 245-1OW 33 & 34 0.04 2269-017 89 E l Paso Luna County,Sec. 33 & 34 0.04 El Paso Luna County,Sec. 24s-1OW 33 & 34 0.04 E l Paso Luna County, Sec. 33 & 34 0.04 E l Paso Luna County, Sec. 33 & 34 24s-1OW . .. 92 Total Carbon ( %o f rock) 2269-018 2269-019 2269-020 94 97 0.05/0.05 24s-1OW 24s-1OW 0.18/0.18 Table 1 SCREENANALYSIS GeoChem Sample SUMMARY TotalOrganic Carbon (% o f rock) C1 ient I.D. LocationFormation Number 2269-021 100 El Paso Luna County, Sec. 33 2269-022 103 Luna Cab1e Canyon County, Sec. 24s-1OW 2269-023 104 2269-024 2269-025 2269-026 . Fi 34 0.08 32 & 33 0.05 Upham Luna County, Sec. 32 & 33 24s-1OW 0.06 105 Upham Luna County,32Sec. 24s-1OW & 33 0.04 106 A1 man Luna County, Sec.32 24s-1OW & 33 0.04 107 A1 man Luna County, Sec. 32 0.14 & 33 24s-1OW 24s-1OW 2269-027 . Cable 164 Canyon GrantCounty,Sec. 17-24s-14W 0.05 2269-028 Cable 165 Canyon Grant County, Sec. 17-24s-14W 0.06 2269-029 166 Ordovician Grant County, Sec. 17-24s-14W 0.04/0.04 2269-030 167 Upham Luna County,Sec. 28-245-12W 0.04 2269-031 169 E l Paso Luna County, Sec. 28-24s-12W 0.02 2269-032 172 El Paso Luna County,Sec. 28-24s-12W 0.18 2269-033 175 El Paso Luna County,Sec. 28-24s-12W 0.03 2269-034 177 E l Paso Luna County, Sec. 28-24s-12W 0.04 2269-035 178 Cutter Luna County, Sec. 30-245-19W 0.05 2269-036 294 E l Paso HidalgoCounty, 2269-037 295 Montoya HidalgoCounty,Sec. 13-28s-19W 0.07 2269-038 319 Bliss/El Paso Hidalgo County, Sec. 12-285-19W 0.04 FaultBreccia Sec. 13-28s-19W 0.04/0.04 PME 1 OP 1 P U B T.O.C. = 91 I s2 t 93 PC* as HC/g o f rook Residual hyd-bon potential (mg HClg of rock) s CO2 produoed frm kerogen p y r o l y s i s (mg W 2 l g o f rook) * 0.083 (SI + S2) W J r o g a Index Omen TABLE I1 RESIILTS OF ROCK-EVIL PYROLYSIS Total o r g u l i c carbon, vt. S = Pres hydrwarbons, mg HClg organio carbon