GEOCHEMISTRY OF GEOCHEMISTRY OF TRENTON/BLACK TRENTON/BLACK RIVER GASES IN THE RIVER GASES IN THE APPALACHIAN BASINAPPALACHIAN BASIN

A PRELIMINARY REPORTA PRELIMINARY REPORT

ACKNOWLEDGEMENTSACKNOWLEDGEMENTS

COMPANIESCOMPANIES Isotech LaboratoriesIsotech Laboratories Triana Energy and Triana Energy and

CNRCNR Fortuna Energy Inc.Fortuna Energy Inc. Hay ExplorationHay Exploration K PetroleumK Petroleum CGAS CGAS

Exploration/EnervesExploration/Enervestt

ColleaguesColleagues Dick Beardsley and Ed Dick Beardsley and Ed

Rothman (Triana)Rothman (Triana) Jeff Bowers (Fortuna)Jeff Bowers (Fortuna) Monte Hay (Hay Monte Hay (Hay

Petroleum)Petroleum) Bill Grubaugh (Enervest)Bill Grubaugh (Enervest) Katharine Lee Avery Katharine Lee Avery

(WVGS)(WVGS) Dave Harris (KGS)Dave Harris (KGS) Larry Wickstrom (OGS)Larry Wickstrom (OGS) Dennis Coleman and Dennis Coleman and

Martin SchoellMartin Schoell (Isotech)(Isotech)

OUTLINEOUTLINE Utility of isotope Utility of isotope

geochemistry in natural geochemistry in natural gas exploration and gas exploration and developmentdevelopment

Purpose of Purpose of Trenton/Black River Trenton/Black River natural gas studynatural gas study

Natural gas sample Natural gas sample distributiondistribution

Results to dateResults to date Preliminary conclusions Preliminary conclusions

and future workand future work

UTILITY OF ISOTOPE UTILITY OF ISOTOPE GEOCHEMISTRY IN NATURAL GEOCHEMISTRY IN NATURAL GAS EXPLORATION AND GAS EXPLORATION AND DEVELOPMENTDEVELOPMENT

Genetic InformationGenetic Information Recognize and Quantify Gas MixingRecognize and Quantify Gas Mixing Reservoir IdentificationReservoir Identification Fault Block MappingFault Block Mapping

1313C (permil) = C (permil) = ((1313C/ C/ 1212C)C)sample sample / ((1313C/ C/ 1212C)C)PDBPDB – 1 – 1 1000 1000

UTILITY OF ISOTOPE UTILITY OF ISOTOPE GEOCHEMISTRY IN NATURAL GAS GEOCHEMISTRY IN NATURAL GAS EXPLORATION AND EXPLORATION AND DEVELOPMENTDEVELOPMENTNatural gases vary in Natural gases vary in chemical and isotope chemical and isotope composition as a composition as a function of their function of their formation and formation and migration history.migration history.

Individual gas components Individual gas components (CH(CH4 4 ,C,C22HH66 , etc.) can be , etc.) can be characterized by their stable characterized by their stable carbon (carbon (1313C/ C/ 1212C) and C) and hydrogen (hydrogen (22H/H/11H) isotopic H) isotopic compositionscompositions

D (permil) = (permil) = ((D//H))sample sample / ((D//H))SMOWSMOW – 1 – 1 1000 1000

GENETIC INFORMATION (GENETIC INFORMATION (Schoell, Schoell, 1983)1983)

GENETIC INFORMATION (Schoell, 1983)GENETIC INFORMATION (Schoell, 1983)

RECOGNIZE AND QUANTIFY GAS RECOGNIZE AND QUANTIFY GAS MIXINGMIXING

Jenden and others, 1994

RESERVOIR RESERVOIR COMPARTMENTALIZATION AND COMPARTMENTALIZATION AND FAULT BLOCK MAPPINGFAULT BLOCK MAPPING

Flow UnitsGeochemical

Flow Unit Definition

Schoell, 2003 personal communication

PURPOSE OF PURPOSE OF TRENTON/BLACK RIVER TRENTON/BLACK RIVER NATURAL GASES STUDYNATURAL GASES STUDY

Source Rock and Thermal Source Rock and Thermal Maturation DataMaturation Data

Recognize and Quantify Gas MixingRecognize and Quantify Gas Mixing Recognize Reservoir Recognize Reservoir

CompartmentalizationCompartmentalization Fault Block MappingFault Block Mapping

Natural Gas Sample Natural Gas Sample DistributionDistribution

Glodes Corners Field, Glodes Corners Field, Steuben Co., NY: 5 samplesSteuben Co., NY: 5 samples

Muck Farm Field, Steuben Muck Farm Field, Steuben Co., NY: 1 sampleCo., NY: 1 sample

Wilson Hollow Field, Wilson Hollow Field, Steuben and Chemung Co., Steuben and Chemung Co., NY: 1 sampleNY: 1 sample

County Line Field, Chemung County Line Field, Chemung Co., NY: 1 sampleCo., NY: 1 sample

Terry Hill South Field, Terry Hill South Field, Chemung Co., NY: 1 sampleChemung Co., NY: 1 sample

#1 Andrews well, Steuben #1 Andrews well, Steuben Co., NY: 1 sampleCo., NY: 1 sample

Natural Gas Sample Natural Gas Sample DistributionDistribution

York Field, Ashtabula York Field, Ashtabula Co., OH: 6 samplesCo., OH: 6 samples

Cottontree Field, Cottontree Field, Roane CO., WV: 2 Roane CO., WV: 2 samplessamples

Homer Field, Elliott Homer Field, Elliott Co., KY: 2 samplesCo., KY: 2 samples

Clay Co., KY: 1 Clay Co., KY: 1 samplesample

RESULTS TO DATERESULTS TO DATE

Clay County, KY. Clay County, KY.