NATURAL GAS GENESIS FOR THE SECTION Ⅱ OF WEST JIALINGJIANGFORMATION IN MIDDLE SICHUAN-SOUTH SICHUAN TRANSITIONAL BELT

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  • 1.Southwest Petroleum University, Chengdu 610500, China; 2.SouthwestBranch Company, PetroChina, Chengdu 610051, China

Received date: 2006-06-14

  Revised date: 2006-08-09

  Online published: 2006-12-10

Abstract

The paper adopts some methods such as gas composition, carbon isotope, systematical analyzing and testing of reservoir bitumen biomarker from high evolutional natural gas and quantitative calculation of mixed gas, illustrates that natural gas from the section Ⅱ of Jialingjiang formation is mainly attributed to sapropel type organic matter gas of Permian, comes from carbonatite hydrocarbon rocks Permian which most of them are overmature, its main gas source has nothing to do with carbonatite hydrocarbon rocks of Jialingjiang formation themselves, presents in geochemistry characteristics of oil type cracked gas.

Cite this article

LI Yan-jun, LIANG Yan,LEI Bian-jun, GUO Gui-an,LUO Yu-hong . NATURAL GAS GENESIS FOR THE SECTION Ⅱ OF WEST JIALINGJIANGFORMATION IN MIDDLE SICHUAN-SOUTH SICHUAN TRANSITIONAL BELT[J]. Natural Gas Geoscience, 2006 , 17(6) : 820 -823 . DOI: 10.11764/j.issn.1672-1926.2006.06.820

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