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《Journal of Chengdu University of Technology(Science & Technology Edition)》 2003-05
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CORRELATION OF THE STRUCTURAL DEFORMATION FEATURES BETWEEN KUCHE DEPRESSION IN TARIM BASIN AND WEST SICHUAN DEPRESSION IN SICHUAN BASIN

HUANG Zeguang1,2, JIA Cunshan2, XU Hongjie1(1.Dept.of Petroleum, Chengdu University of Technology, China;2.Wuxi Research Institute of Experimental Petroleum Geology, SINOPEC, China)   
With numerous observations on structure evolution, deformation domain and its sequence, slipsheet structure, the authors consider there are obvious difference of structural deformation between the Kuche depression in Tarim Basin and West Sichuan depression in Sichuan Basin. The compressional stress is dominated in the Kuche depression with little change of deformation characteristics in horizontal but a decreasing deformation from north to south. The stress state of West Sichuan depression in the period of Late Triassic to Late Jurassic shows a strong wrench movement, the stage of main deformation and its characteristics are varied in different areas. As a result, faultstructural traps are poorly developed in the deep part and slope, and the fault can not be acted as a vertical passway of hydrocarbon migration.
【CateGory Index】: P544.4
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