ORIGIN CLASSIFICATIONOF CARBON AND HYDROGEN ISOTOPES AND THEIR DISTRIBUTION REGULAR IN TARIM BASIN

Abstract

Abstract: According to component characteristics of carbon and hydrogen isotopes, natural gas in Tarim basin can be classified into continental facies, marine facies and miscible one.Marine facies gas distributed in south and north sides of Mangar Paleozoic marine source sag, Tazhong uplift and south of Tabei uplift;continental facies gas in Kuqa Mesozoic source sag and north of Tabei uplift;marine and continental conbination gas in Yakela structure, some wells in Donghetang and Well Qun 5 in Bashituopu anticline in Tazhong uplift.Gas from Kekeya anticline are dominented by continental coal-formed gas possibly filled wi th marine hydrocarbon.

Key words: Tarim basin, Natural gas, Carbon isotope, Hydrogen isotope, Origin, Classification, Oil and gas distribution

Fan Guanghua, Xiao Zhongrao. ORIGIN CLASSIFICATIONOF CARBON AND HYDROGEN ISOTOPES AND THEIR DISTRIBUTION REGULAR IN TARIM BASIN[J]. Xinjiang Petroleum Geology, 1998, 19(2): 126-131.

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ORIGIN CLASSIFICATIONOF CARBON AND HYDROGEN ISOTOPES AND THEIR DISTRIBUTION REGULAR IN TARIM BASIN

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