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Genetic analysis of C02 in C02 gas reservoirs of middle fault zone of Hailaer-Tamtsag Basin
ZHANG Tong-lei1,2,CHEN Jian-fa1,2,ZHU De-feng3,ZHAO Xing-qi1,2
(1. College of Geosciences in China University of Petroleum, Beijing 102249,China ;2. State Key Laboratory of Petroleum Resource and Prospecting 1 China University of Petroleum, Beijing 102249, China ;3. Exploration and Development Research Institute? Daqing Oilfield, Daqing 163712, China)
Abstract:
Based on the research of the C02 gas reservoir in the middle fault zone of Hailaer-Tamtsag Basin, the origin of C02 was researched using the exclusive method by composition analysis of carbon, helium and argon isotope,data of C02 amount and the research achievements of C02 gas by the scholars. The results show that the average content of C02 in the study area is more than 85% , and the value of the 513Cco,ranges from -13. \%v to -8. 8%f. With the characteristic of light
Key words:  Hailaer-Tamtsag middle fault zone  C02 gas  origin  exclusive method