J4 ›› 2010, Vol. 40 ›› Issue (6): 1271-1277.

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Seismic Evidence of Strike-Slip Faults in the Middle of Fangzheng Rift and Favorable Exploration Areas

HU Yu-shuang|QI Ren-li|WEI Ya-rong|WANG Guo-lei   

  1. College of Earth Sciences,Northeast Petroleum University, Daqing, Heilongjiang 163318, China
  • Received:2009-12-04 Online:2010-11-26 Published:2010-11-26

Abstract:

Fangzheng rift is a negative tectonic units in the north-central part of Yi-Shu rift. In order to understand the formation mechanism of the basin and the nature of fault system, the new 3D seismic data is used to interpret  the structure. The study found that six seismic and geological evidences, for instance, the “flower structure” and “dolphin effect”, can prove that strike-slip fault developed. Fangzheng rift is a strike-slip fault related basin. The strike-slip fault’s petroleum geological characteristics indicate that the slope-break zone of Deshantun depression is a favorable exploration area.

Key words: Fangzheng rift, 3D seismic, strike-slip faults, flower structure, dolphin effect, petroleum gas

CLC Number: 

  • P618.13
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