Development and Hydrocarbon Relationship of NE Rift System in Dongpu Sag

Abstract

Abstract: The single fault depression of Dongpu Basin evolves into median fold with two low-lying lands and slope because of the structural movement, and the generated different rift systems interlace and cut mutually. North-East (NE) tensional rift systems with echelon, gradual change, partition characteristics mainly developed in the area. The system is with the rule that it coexists with positive structures and it grows at the sand body's brim, also its generation is related with regional tenso shear function, structural event style, lithologic factor, interconversion of the stress condition, structural setting and boundary condition, so the structures and hydrocarbon accumulation get more complicated and the exploration for oil and gas becomes more difficult in the area.

Key words: Dongpu sag, rift system, structural movement, structural setting, hydrocarbon relationship

CLC Number:

P618.13

Fan Mancang. Development and Hydrocarbon Relationship of NE Rift System in Dongpu Sag[J]. China Petroleum Exploration, 2008, 13(6): 26-32,80.

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Development and Hydrocarbon Relationship of NE Rift System in Dongpu Sag

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