THE INFLUENCE OF COAL FORMATION MACERAL TO NATURAL GASES CARBONISOTOPIC COMPOSITION AND ITS APPLICATION

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  • 1. Exploration and Production Research Institute, SINOPEC, Beijing 100083,China;2.Research Institute of petroleum Exploration and Development, PetroChina, Beijing 100083, China

Received date: 2005-08-10

  Revised date: 2005-10-29

  Online published: 2005-12-20

Abstract

different maceral have different chemical constitution. Exinite has the lightest carbon isotopic composition. Inertinite with the heaviest carbon isotopic composition  has highest aromatization degree. So the production carbon isotopic composition of different maceral has following rule: semi-fusinoid group>fusinite>vitrinite>exinite. According to the gas productivity of different maceral: exinite>vitrinite>semi-fusinoid group>fusinite, the potential influence of the difference maceral composing of coal formation source rock to carbon isotopic composition between Kuqa depression and Tuha basin has been calculated. The result show the influence is negligible.

Cite this article

ZHANG Dian-wei,LIU Wen-hui,Liu Quan-you,Gao Bo . THE INFLUENCE OF COAL FORMATION MACERAL TO NATURAL GASES CARBONISOTOPIC COMPOSITION AND ITS APPLICATION[J]. Natural Gas Geoscience, 2005 , 16(6) : 792 -796 . DOI: 10.11764/j.issn.1672-1926.2005.06.792

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