Revised - Jarvie -Geochemical Characteristics of the ...

1 Jarvie 1 geochemical CharacteristicsGeochemical Characteristicsof theof theDevonianWoodfordShaleDevonianWoodford ShaleDevonian woodford ShaleDevonian woodford ShaleDan JarvieDan JarvieWorldwide geochemistry , LLCW orldwide geochemistry , LLCO utline Background WoodfordShaleGeochemistry woodford Shale geochemistry woodford Shale Gas Oklahoma Arkoma Basin Anadarko Basin Ardmore BasinTexasDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 2 Texas Permian Basin woodford Shale Oil SummaryJarvie per Well Decliningbut offset by drilling more wellsReserves per well added, 1973 2015 / wellStabilityDeclineDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK : EIA; Bernstein EstimatesWhere is the most likely place in a Where is the most likely place in a ypypsedimentary basin to find sedimentary basin to find hydrocarbons ?

2 Hydrocarbons ?Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 4 The source The source rockrockJarvie 3 North American Shale Resource Plays23246221379171823262522119815166272 0 Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 541012145X2291113X1313028 DryInterpretedEstimatedGas 13C 13C 13 CThermal MaturityTOCTOCoHIEstimated%RoeMeasured S1/TOCR atiomethaneethanepropaneShaleWindow(wt %)(wt %)mg HC/g TOCTR from Tmax%Rmg HC/g TOCC ount(C1/(C1 C4)(ppt)(ppt)(ppt) geochemical Dataon various shale resource play typesShaleWindow( )( )mg HC/g TOCTR from Tmax%Romg HC/g TOCC ount(C1/( )(ppt)(ppt)(ppt)AntrimImmature to early Albany >90% >90%nrna3321 Fayetteville Dry >90% oil-early >80% oil-early >70% oil-early >70% - oil-early >70% - >90% >90% 3713 8729810 70%50 1 00055 09543349 Dan Jarvie .))

3 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK - values are average values from Humble database and may include variable thermal maturitiesTOCototal organic carbon, original valueHIhydrogen index (S2/TOC x 100; mg HC/g TOC)TRtransformation ratio ((HIo - HIpd)/HIo) where HIo is original HI and HIpd is present-day HI value%Rovitrinite reflectance in oil submersion%Roevitrinite reflectance equivalent; calculated from Rock-Eval Tmax valuepptparts per thousand or parts per milJarvie 4 Shale CompositionAverage Percent Mineral CompositionClayPotassium PlagioclaseAgeCountMinerals Quartz FeldsparFeldsparCalciteDolomite 234 Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK CONTENTA verage Clay: 38%Average Quartz: 36%O Brien and Slatt, 1990 woodford Shale, Delaware Basin, Texas:abundance of low reflecting abundance of low reflecting desmocollinitedesmocolliniteHGS ID: 04-2684-103341 Country: USACSiVITRINITE REFLECTANCELEGEND1214161820mentsCompany: SuperiorWell: #1 El Paso StateDepth: 8310'Unit: FeetSam ple type: CuttingAnalyst: : 12-May-05 Comments: Yellow/orange - orange spore fluorescence in m ineral m telocolliniteReworked vitriniteSemifusiniteInertiniteCavings/C ontaminationDan Jarvie .

4 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK measuremVR/M % Jarvie 5 Low MaturityNo CrackingDiamondoids allow for recognition of oil cracking and mixingHigh MaturityNo CrackingMixed OilsHigh & LowMaturity oilsSlightly CrackedIntensely Cracked-30-25 NormBarnett Barnett Shale Gas Shale Gas DataData(Slide provided courtesy (Slide provided courtesy GeoMarkGeoMark Research)Research)-40-35 13C2mal Increasing MaturityDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 100510152025303540 Wetness (%>C2)-50-45 Shale Gases Tight Sand GasesJarvie 6 Kerogen Oil Gas Dry GasThermal DecompositionThermal RoCatalytic DecompositionCatalytic DecompositionDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 11 Kerogen Dry GasCatalytic DecompositionCatalytic Ro15R 2= 0 8860 Marine Shales (70% of database)60 Marine Shales (70% of database)A/TOC = Activity in ShalesTOC510 TOC = (A)TOC = (A) = Jarvie .

5 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 12 Activity (ppb)101001000100000 Jarvie 74050 Catalytic Catalytic (HI+OI)is relatedis relatedtotoHydrogenHydrogenIndexIndexDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK ShalesOxic ShalesOutline Background WoodfordShaleGeochemistry woodford Shale geochemistry woodford Shale Gas Oklahoma Arkoma Basin Anadarko Basin Ardmore BasinTexasDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 14 Texas Permian Basin woodford Shale Oil SummaryJarvie 8 Comparison of Resource Potentials of Mississippian and devonian ShalesMississippianDevonianNewBarnettCan eyFayettevilleFloydWoodfordAlbany Ohio ChattanoogaGeochemical DataShaleShaleShaleShaleShaleShale ShaleShaleEstimated average original average original generation potential (mg/g) average total generation potential (bo/af)65143352348113061616843926 Estimated average total generation potential (mcf/af)39072601313928877838969450595558 Thickness (feet)100100100100100100100100 Total generation potential (bcf/section)250166201185502620324356 Estimated GIP with 15% retained hydrocarbons3825302875934953*Dan Jarvie .

6 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 15(comparison made assuming all are 100 ft. thick)*Ardmore Basin low maturity woodford Shale outcropsArdmore Basin low maturity woodford Shale outcropsComparison of TOC Values:Chert vs. Shale16Ch t68101214rganic Carbon (TOC)ChertShaleDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 160241234 Total OSample NumberData from Comer and Hinch, 1987 Jarvie 9 Oil and Gas Decomposition Profileslow sulfur marine shales0%WOODFORD10%20%30%40%50%60%GEN TRANSFORMATIONWOODFORDBAKKEN (II)"BP 2-component D/E facies"Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 1770%80%90%100%7595115135155175195 KEROGTEMPERATURE (oC)Primary Cracking of Organic Matter in woodford Shale: Compositional E REFLECTANCE (%Ro)SFORM ATION RAT IO (T R)CondensateWet GasDry GasVitrinite ReflectanceDan Jarvie .

7 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK (oC) Jarvie 10 woodford Shale: Sample AOil and Gas Yields upon total decompositionWOODFORD FORMATION12%29%5%C1C2-C4C5-C14 Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 1954%C5-C14C15+ woodford Mineralogy: Example60 Average Quartz: 37%Average Illite: 26%20304050 PercentageQuartzCarbonatePyriteKaolinite gAverage kerogen: 15%Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 2001020123456789 PSample NumberIlliteKerogenAbousleiman et al., 2008 Jarvie 11 Outline Background WoodfordShaleGeochemistry woodford Shale geochemistry woodford Shale Gas Oklahoma Arkoma Basin Anadarko Basin Ardmore BasinTexasDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 21 Texas Permian Basin woodford Shale Oil SummaryWoodford Shale Plays:Arkoma, Anadarko, Ardmore, and Permian Basins15 ANADARKO BASINARKOMA BASINPERMIAN BASINDan Jarvie .

8 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 2241014 ARDMORE BASINJ arvie 12 woodford Shale Basins, OklahomaDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 23 Cardott, 2007 Comparison of early wells in Arkoma Basin: Vertical vs. Horizontal60002000300040005000IP (mcf/d)Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 2401000 Jarvie 13 Select Wells: Arkoma Basin (Oklahoma)NDL Beebe # Lola # at 3920 Wild Turkey # Caney?DPC Hammontree # at 4,038 Factor # at 3465 Fazekas #23 00%VRoat11 700ft?GasWindowOilWindow123567911108 Dan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 25 Sohio Taylor # Retherford # at 17,190 at 11,700 mcf/d (Newfield woodford IP)Outline Background WoodfordShaleGeochemistryWoodford Shale geochemistry woodford Shale Gas Oklahoma Arkoma Basin Anadarko Basin Ardmore Basin Texas Permian BasinDan Jarvie .

9 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 26 Midland Basin Central Basin Platform Delaware Basin woodford Shale Oil SummaryJarvie 14 Thermal Maturity, Anadarko Basin:focus on Canadian County areaDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 27 Cardott, 1989 woodford Shale, Canadian CountyAnadarko Basin90ock)HIGHLY OIL PRONEOIL PRONEWITH SOME GAS304050607080 CARBON POTENTIAL (mg HC/g RoWITH SOME GASMIXEDOIL & GASPRONEPRIMARILYDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 2801020300510152025 REMAINING HYDROTOTAL ORGANIC CARBON (TOC, )PRIMARILY GASPRONEO rganicLeanDRY GASPRONEJ arvie 15 AnadarkoBasinCanadian County,Canadian County, woodford Shale: woodford Shale:Extent of conversionExtent of conversionandandThermal MaturityThermal MaturityDan Jarvie .

10 Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 29 Outline Backgrounddf dhlh woodford Shale geochemistry woodford Shale Gas Oklahoma Arkoma Basin Anadarko Basin ArdmoreBasinDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 30 Ardmore Basin Texas woodford Shale Oil SummaryJarvie 16 woodford Shale, Ardmore Basin8090 Rock)HIGHLY OIL PRONEOIL PRONEWITH SOME GAS304050607080 ROCARBON POTENTIAL (mg HC/gMIXEDOIL & GASPRONEPRIMARILY GASO rganicLeanDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 31010200510152025 REMAINING HYDRTOTAL ORGANIC CARBON (TOC, )PRONELeanDRY GASPRONEA rdmoreArdmoreBasinBasinWoodford ShaleWoodford Shale High remaining potential Low to moderateThermalmaturityDan Jarvie . Worldwide GeochemistryOklahoma Gas Shales Oct 22, 2008, OKC, OK 32 Thermal maturityJarvie 17 Outline Background WoodfordShaleGeochemistry woodford Shale geochemistry woodford Shale Gas Oklahoma Arkoma Basin Anadarko Basin Ardmore BasinTexasDan Jarvie .