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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 1985  >  7(2): 81-86
Qi Houfa. PRELIMINARY COMMENT ON THE VARIATION OF CARBON ISOTOPIC COMPOSITION OF METHANE IN COAL MEASURE GAS AND SEAM GAS, AND ITS CONTROLLING FACTOR[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1985, 7(2): 81-86. doi: 10.11781/sysydz198502081
Citation: Qi Houfa. PRELIMINARY COMMENT ON THE VARIATION OF CARBON ISOTOPIC COMPOSITION OF METHANE IN COAL MEASURE GAS AND SEAM GAS, AND ITS CONTROLLING FACTOR[J]. PETROLEUM GEOLOGY & EXPERIMENT, 1985, 7(2): 81-86. doi: 10.11781/sysydz198502081
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PRELIMINARY COMMENT ON THE VARIATION OF CARBON ISOTOPIC COMPOSITION OF METHANE IN COAL MEASURE GAS AND SEAM GAS, AND ITS CONTROLLING FACTOR

doi: 10.11781/sysydz198502081

  • Scientific Research Institute of Petroleum Exploration and Development, Ministry of Petroleum Industry

  • Received Date: 1984-03-14
  • Publish Date: 1985-04-25
    Abstract
  • The genetic types of natural gases are discussed according to the stable carbon isotopic composition of natural gases.It is found that the coal measure gas and the seam gas with the same maturity show great differences both in chemical and carbon isotopic composition.After various cor-relative analyses were made,the author proposes that the controlling factors of the differences are mainly,(1) the influence of biogenic methane in coalbed;and (2) the exchange of carbon isotopes between CH4 and CO2.

     

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    • References(8)
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    R.H.Reitsema,1981,source and Migration of Light Hydrocarbons Indicated by Carbon Isotopic Ratios,AAPG.,Vo1.65,No.9,p.1536-1542.
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