Lithologic Reservoirs ›› 2012, Vol. 24 ›› Issue (5): 27-31.doi: 10.3969/j.issn.1673-8926.2012.05.005

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Essence of diapir and its relationship with natural gas accumulation in Yinggehai Basin

HAN Guangming， ZHOU Jiaxiong， PEI Jianxiang， WANG Lifeng   

  1. Zhanjiang Branch of CNOOC Ltd.， Zhanjiang 524057， China
  • Online:2012-10-20 Published:2012-10-20

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Abstract:

Diapir is a specific abnormal geologic body in Yinggehai Basin of northern margin of South China Sea. According to the study, it is considered that diaper is a combination of deep mud diaper and shallowfluid diaper, and it has been in a dynamic equilibrium state and it will keep this state for a long time. Different types of diapir has different exploration potential, and the high and middle energy diapir has better exploration potential. For the same type of diaper, its non-collapse part has better exploration potential.

Key words: reservoir characteristics, Triassic, Cheguai area, northwestern margin of Junggar Basin

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