新疆石油地质

新疆石油地质 ›› 1998, Vol. 19 ›› Issue (2): 126-131.

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塔里木盆地天然气碳、氢同位素成因分类及其分布规律

范光华, 肖中尧   

  1. 新疆石油管理局勘探开发研究院 克拉玛依 834000
  • 收稿日期:1996-09-25 出版日期:1998-04-01 发布日期:2020-11-15
  • 作者简介:范光华：高级工程师 地球化学

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

Fan Guanghua, Xiao Zhongrao   

  1. Research Institute of Exploration and Development, Xinjiang Petroleum Administration Bureau, Karamay 834000
  • Received:1996-09-25 Online:1998-04-01 Published:2020-11-15
  • About author:Fan Guanghua, Senior Engineer, Geochemistry

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摘要： 根据天然气碳、氢同位素组成特征, 将塔里木盆地天然气划分为海相成因天然气, 陆相成因天然气和海陆相混合气三大类。海相天然气分布在满加尔古生界海相生油气凹陷的南北两侧,塔中隆起和塔北隆起以南;陆相天然气分布在库车中生界陆相生油气坳陷及塔北隆起以北;海陆相混合气分布在塔北隆起中段雅克拉构造和东河塘部分井、巴什托普背斜群5 井(C)中。柯克亚背斜天然气来源比较复杂,以陆相煤型气为主,可能混有海相油气。

关键词: 塔里木盆地, 天然气, 碳同位素, 氢同位素, 成因, 分类, 油气分布

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