辽东湾坳陷断裂联接及其控油气作用

doi:10.11743/ogg20140403

Abstract

Abstract:

On the basis of structural interpretation and hydrocarbon exploration,this paper addresses fault linkages and their control on hydrocarbon accumulation in the Liaodongwan Depression,offshore Bohai Bay Basin.The extensional,strike-slip and compound faults with NE and NEE strikes are predominant in the Liaodongwan Depression,and they inte-ract with each other by hard or soft linkages.According to the assemble patterns of faults and their linkages,the hard linkages of faults can be divided into three types:relaying,consumering and transferring.Similarly,the types of soft lin-kages involve synthetic ramp,convergent anticline and divergent horst.Faults and their interaction exerted important influences on depositional systems,structural traps and reservoir properties.The interaction zones of faults are the favorable objectives for oil and gas exploration in the Liaodongwan Depression.

Key words: fault, hard linkage, soft linkage, hydrocarbon accumulation, Liaodongwan Depression

CLC Number:

TE121.2

Xu Changgui, Yu Yixin, Wu Kui, Wan Jing, Liu Yubo, Xu Xiaolong, Wu Hang. Fault linkages and their control on hydrocarbon accumulation in the Liaodongwan Depression, offshore Bohai Bay Basin[J]. Oil & Gas Geology, 2014, 35(4): 456-462.

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Fault linkages and their control on hydrocarbon accumulation in the Liaodongwan Depression, offshore Bohai Bay Basin

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