DOYA ANA COUNTY, NEW MEXICO

Transcription

1 New Mexico Bureau of Mines and Mineral Resources Open File Report No. OF 201 HYDROCARBON SOURCE-ROCK EVALUATION STUDY, SINCLAIR NO. 1 DOGA ANA FEDERAL 18 WELL DOYA ANA COUNTY, NEW MEXICO by Douglas A. Muckelroy GeoChem Laboraries, Inc. Housn, Texas January 10, 1983

2 GEoCHEMICAL OIL-SOURCE CRUDE SOURCE ROCK EVALUATION CORRELATION ROCK CRUDE OIL CHARACTERIZATION PROSPECTINO BRITTMOORE ROAD 0 HOUSTON. TEXAS January 10, 1983 Clayn S. Valder Marshall R. Young Oil Co. 750 West Fifth Street Fort Worth, Texas Dear Mr. Valder: Enclosed please find the results of the organic geochemical analyses performed on a suite of thirty-four (34) dry well cuttings samples from the Sinclair No.1 Dona Ana Fed. 18 Well (Sec.27,T.22S,R.IW) located in Dona Ana County, New, Mexico. ble Upon arrival at GeoChem's Housn laborary, the samples were assigned the GeoChem Job Number 2391 and were submitted the following organic geochemical analyses: Analyses Type of Total organic carbon analyses and brief lithological descriptions... I Rock-Eva1 pyrolysis... I1 - Visual kerogen assessment...iii Vitrinite reflectance...iv

3 Clayn S. Valder -2- January 10, 1983 RESULTS AND INTERPRETATIONS A. Thermal Maturity The sediments penetrated by this well can be divided in three (3) zones of thermal maturity. - - Zone I (2840+ feet feet) The sediments contained within Zone I (Magdalena Formation) have a moderately mature Maturation Index (Stage 2 2+). This rating is based on the orange-brm light brown coloration of the recognizable amorphous organic matter contained in the kerogen isolated from the cuttings samples (Table 111). Supporting this rating is the moderately mature.value detected from the vitrinite reflectance analyses on sample (Table IV). At this level of thermal maturity these sediments are located in the upper portion of the oil-generating window, wherein oil and associated gas could have been generated. - - Zone I1 (3420+ feet feet) The lower sediments of the Magdalena Formation and the sediments of the Lake Valley and the upper Percha Formations have a very mature (mean Stage 3 3+; Table 111) thermal maturation rating. This state of thermal maturity is based on the brown black coloration of the recognizable amorphous, herbaceous, and woody debris contained in the kerogen isolated from the cuttings samples (Table 111). The very mature rating for these rocks is probably'due the presence of Tertiary intrusive rocks within this basin. The thermal maturity of these sediments have progressed beyond the oilgenerating window; thus only "wet" gas and condensate could be generated. - Zone I11 ( feet ti feet) The remaining sediments of the Percha, Fusselman, Monya, El Paso and Bliss Formations are rated as thermally mature (mean Stage 2+ 3-; Table 111). This rating is based on the light brown brown coloration of the recognizable amorphous-algae matter type contained in the kerogen isolated from the cuttings samples (Table 111).

4 Clayn S. Valder. -3- January 10, 1983 At this level of thermal maturity, these sediments are located in the oilgenerating window, wherein oil and associated gas could be generated. B. Hydrocarbon Source Characterization The sediments of the Percha Formation (Devonian) have a mature poor possibly fair oil and associated gas source character. This interpretation is based on the poor fair amounts of organic matter (0.22% avg. tal organic carbon; Table I) analyzed which is comprised of the oil-prone amorphous organic matter type (Table 111). Even though these sediments contain poor amounts of free hydrocarbon and hydrocarbon generating potential (S1=0.19 mg/g;s2=0.35 mg/g; Table II), these values are considered borderline and thus, gives these sediments a possibly fair hydrocarbon source character. The remaining sediments penetrated by this well contain poor amounts of organic matter (0.07% avg. tal organic carbon; Table I) and poor amounts of hydrocarbon generating potential (S2=0.05 mg/g avg.; Rock-Eva1 pyrolysis; Table 11) giving these sediments a poor hydrocarbon source character. Should we be of any further assistance concerning this study or matter, please do not hesitate call upon US. any other Yours truly, Oyq m&, Douglas A. Muckelroy d- GEOCHEM LABORATORIES, INC. st Enclosures c: Sam Thompson 111 New Mexico Bureau of Mines

5 SUMMARY TABLE 1 SINCLAIR NO. 1 DONA ANA FEO 10 Organic Richness Hvdrocarbon Free Ginerating Predominant Thermal Maturity Depth Organic Hydrocarbons Potential Keroqen Type Kerogen Age Interval Carbon MgHC/9 MgHC/g Visual Alteration Vitrinite (Feet) Formation (% rock) 51 S2 Assessment Reflectance (1-5 Scale) PENNSYLVANIAN Magdalena MEAN - MEAN - MEAN - MEAN - MEAN - MEAN Hydrocarbon Source Potential Moderately mature, Limesne, brown- (8) (1) (1) (7) (7) (1) poor hydrocarbon ish gray Am;-;H*-W source character. MISSISSIPPIAN Very mature, poor Lake Limesne, white (3) (1) (1) hydrocarbon source Valley 3930 gray n.a. n.a. W-I;H*;Am 3t 3 n.a. character. DEVONIAN Percha Mature, poor Limesne, light possibly fair oil brownish gray; (3) (3) (3) (1) (1) (1) and associated gas 4300 shale, dark gray Am;-;H-W-I 2t character. source SILURIAN Mature, poor hydro- Fusselman Dolomite, brownish (3) (1) 4580 gray (1) (3) Am;-;H (3) char- 2+ source n.a. carbon acter.

6 SUMMARY TABLE 1 SINCLAIR NO. 1 DONA ANA FEO 18 Age Formation (Feet1 Depth Interval Lithology Organic Richness Free Hydrocarbon Generating Predominant Thermal Maturity Hydrocarbons Organic Potential Kerogen Type Kerogen Carbon MgHC/g Mg HC/g Visual Alteration Vitrinite (% rock) s1 52 (1-5 Assessment Reflectance Potential Scale) Hydrocarbon Source MEAN MEAN MEAN - MEAN MEAN MEAN ORDOVICIAN Mature, poor hydro- (1) (4) 4580 brownish Dolomite, (1) (4) (4) char- source carbon Monya 4970 gray Am(A1);-; n.a. acter Limesne, brown- El Paso 6330 ish gray. (11) (3) (3) (11) (11) Am(A1);-; n.a. Mature, poor hydrocarbon source character. ORDOVICIAN/ CAMBRIAN Mature, poor hydro Limesne, brown- (1) (1) (1) carbon source char- 81 iss 6519 TO ish gray. n.a. n.a Am;-; n.a. acter.

7 Table I SCREEN ANALYSIS SUMMARY GeoChem We1 1 Organi Total Sample Interval Brief Lithological Description Carbon Number (Feet) (% of Rock) C Limesne, medium gray Siltsne, Siltsne, Limesne, light Limesne, light 0.04/ Limesne, light Limesne, light brownish gray Limesne, light brownish gray Limesne, cherty, white Limesne, cherty, white Limesne, cherty, light Limesne, cherty, light Limesne, cherty, light 0.09/ % 40% Limesne, cherty, Shale, dark gray. light % 30% Dolomite, Shale, dark gray Dolomite, Dolomite, Dolomite, Dolomite, Dolomite, light 0.06

8 Table I SCREEN ANALYSISUMMARY GeoChem We1 1 Sample Interval Brief Lithological - Description Number (Feet) Total Organic Carbon (% of Rock) % 30% Dolomite, Chert, white. 0.12/ Limesne grading dolomite, Limesne, Limesne, Limesne, Limesne, brownish gray Limesne, light brownish gray Limesne, light brownish gray Limesne, light brownish gray 0.07/ Limesne, light brownish gray Limesne, light brownish gray Limesne, light brownish gray Tertiary intrusion, no sample picked Limesne, light brownish gray 0.04

9 PAGE 1 OF 1 PAGE T.O.C. E Total organi carbon, ut. Z s1 s2 = Free hydrocarbons, mg HC/g Of rock = Residual hydrocarbon potential (mg HC/g of rock) s3 E C02 produced from kerogen pyrolysis (mg C02/g of rock) PC* = (S1 + S2) TABLE 11 RESULTS OF ROCK-EVAL PYROLYSIS Hydrogen Index Oxmen Index PI Tmax E mg HC/g organicarbon = mg C02/g organicarbon = Sl/SI+S2 Temperature Index, degrees C I I

10 B = Bacteria. VLOM = Very little organic material. R = Resin-like droplets. *In samples 015 and deeper on the material listed underwoody is probably chitinoman debris. =Drilling mud contaminant.

11 TABLE 111

12 TABLE IV VlTRlNlTE REFLECTANCE SUMMARY GEOCHEM SAMPLE NUMBER DEPTH (frat) rwe NUMBER MINIMUM MAXIMUM MEAN OF POPULATION OF REFLECTANCE REFLECTANCE REFLECTANCE STD. DEV. SAMPLE READINGS ( Yo Ro) I % Ro) I '/o Ro) 1 % Ro) REMARKS ClG (1) INDIGEWS CIiG ( 1) (2) INDIGEKHS RamRKED

13 GEOCHEM NO TYPE OF SAMPLE: CIG /SAMPLE DEPTH NO CLIENT'S NAME WHALL YOUNG NAME WELL SINCLAIR #1 DONA ANA FED 18 (No. o?? READINGS = 1) POPULATION NO. OF READINGS MIN RO ( % ) MAX. RO ( %) MEAN Ro( %) STD. DEY.(%) REMARKS (1) C CAVE COI?I?AMDJATION X - INDI~NOUS POPULATION O-REXXCLEO

14 GEOCHEM NO TYPE OF SAMPLE: CIG /SAMPLE DEPTH NO CLIENT'S NAME =HALL YOUNG WELL NAME SINCLAIR #1 mml ANA m 18 (NO. OF READINGS = 3) POPULATION (1) ( 2) NO. OF READINGS MIN. Ro ( % ) MAX. Ro ( %) MEAN Ro( %) STD. DEM( %) REMARKS C - CAVE ONI!AMIN?iTION X - INDIGENNS POPUJATION O-RECYCLJD 0,I,,,,,,,,,, X 11,1 1,1,,-1,,I, I,II (,,,I o!, 0.8 a9 ID VITRINITE REFLECTANCE HISTOGRAM