Studies on the Characteristics of the Fault Belt in Changchang Sag and its Implication for the Oil and Gas Exploration

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  • Zhanjiang Branch of CNOOC Ltd.,Zhanjiang,524057,China

Received date: 2013-07-25

  Revised date: 2013-09-11

  Online published: 2014-03-10

Abstract

A detailed study of fault combination of morphological,structural styles and characteristics on the zoning of Changchang Sag of Qiongdongnan Basin was carried out based on the regional structural background,structural analysis and basin dynamics theory methods.Three major fault systems were summarized,such as western dextral transtensional strike-slip fault system,eastern extensional fault system,and Early-Middle Miocene shallow and small fault system.It revealed the structural style and the mechanics mechanism of the fault zones.According to this,this study proposed two favorable exploration zones in Changchang Sag with the data of regional sequence stratigraphic,i.e.,transtensional strike-slip negative flower fault belt and extensional reverse drag structure belt.

Cite this article

LI Cai,ZHU Ji-tian,YOU Li,YANG Jin-hai,XIANG Liang-cun,ZHENG Rong-fen . Studies on the Characteristics of the Fault Belt in Changchang Sag and its Implication for the Oil and Gas Exploration[J]. Natural Gas Geoscience, 2014 , 25(3) : 372 -378 . DOI: 10.11764/j.issn.1672-1926.2014.03.372

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