Neogene-Quaternary Sedimentary Features, Structural Deformation of the Tarim Basin and its Petroleum Geological Significances

Chen Chuming; Lu Huafu; Jia Dong; Xie Xiao'an

The analyses of Neogene-Quaternary sedimentary environment, depocenter distribution and geodynamic origin of structural deformation of the Tarim Basin suggest that Aheqi-West Kunlun-Altynsinistral transpression tectonics controlled the Neogene-Quaternary sedimentation and structural deformation of the Tarim basin. It accelerated the hydrocarbon maturation process, formed many new anticline and fault traps, and controlled Cenozoic hydrocarbon migration and accumulation. The secondary oil and gas accumulation in the non-structural traps and fault screened traps are favorable prospecting targets on the Bachu uplift.

1. Dept of Earth Sciences, Nanjing University, Nanjing 210093;

2. Bureau of Geophysical Prospecting, CNPC ZuozhouHebei 072751

Received Date: 1997-09-25

Rev Recd Date: 1997-10-20

Publish Date: 1998-06-10

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Abstract: The analyses of Neogene-Quaternary sedimentary environment, depocenter distribution and geodynamic origin of structural deformation of the Tarim Basin suggest that Aheqi-West Kunlun-Altynsinistral transpression tectonics controlled the Neogene-Quaternary sedimentation and structural deformation of the Tarim basin. It accelerated the hydrocarbon maturation process, formed many new anticline and fault traps, and controlled Cenozoic hydrocarbon migration and accumulation. The secondary oil and gas accumulation in the non-structural traps and fault screened traps are favorable prospecting targets on the Bachu uplift.

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Neogene-Quaternary Sedimentary Features, Structural Deformation of the Tarim Basin and its Petroleum Geological Significances

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