Establishing a Data Base for Gas Identification

  • Dennis D. Coleman
Part of the NATO ASI Series book series (NSSE, volume 171)


Geochemical fingerprinting of natural gas uses inherent differences in chemical and isotopic compositions to distinguish gases from different sources. This technique has been shown to be an effective means of storage gas identification2,4. Although it is not necessary to add any “tracers” to the gas, the procedure can be greatly enhanced by the availability of an adequate data base to compare to. For example, distinguishing native gas from migrated storage gas requires establishing the geochemical compositions of gases from both sources. The most unequivocal samples of pure native gas are those collected prior to injection of any storage gas. Documentation of the occurrence of bacterial gases near gas storage reservoirs prior to storage activity can reduce the incidence of “false alarms” of reservoir leakage.


Isotopic Analysis Storage Activity Archival Storage Storage Field Illinois State Geological Survey 
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  1. 1.
    Coleman, DD: The Origin of Drift-Gas Deposits as Determined by Radiocarbon Dating of Methane, in Radiocarbon Dating, R Berger and HE Suess (eds). Los Angeles: Univ of Calif Press, 1979.Google Scholar
  2. 2.
    Coleman, DD: Geochemical Fingerprinting: Identification of Storage Gas Using Chemical and Isotopic Analysis. This volume.Google Scholar
  3. 3.
    Coleman, DD: Microbial Methane in the Glacial Deposits and Shallow Paleozoic Sediments of Illinois, in The Origin of Methane in the Earth’s Crust, M Schoell (ed), Chemical Geology, in press.Google Scholar
  4. 4.
    Coleman, DD, WF Meents, CL Liu, and RA Keogh: Isotopic Identification of Leakage Gas from Underground Storage Reservoirs-A Progress Report. Illinois State Geological Survey Illinois Petroleum Notes 111, 1977. 5. Mantia, RW: West Unionville Storage Field, a Case History of Gas Migration. This volume.Google Scholar
  5. 6.
    Tek, MR: Huntsman and West Engelland Fields: a Case History of Gas Migration. This volume.Google Scholar

Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • Dennis D. Coleman
    • 1
  1. 1.Isotech Laboratories, Inc.ChampaignUSA

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