Multi-Approach Characterization and Distribution of Ordovician Carbonate Fractures in Tazhong Area, Tarim Basin

Abstract

Abstract: The Ordovician carbonate rock is the main oil producing reservoir in Tazhong area, in which the fractures are important reservoir spaces and seepage channels for oil and gas. Synthesizing the information from cores, well logs, outcrops and seismic data, a suitable method for multi-approach characterization the Ordovician carbonate fractures in Tazhong area is proposed. The study suggests that the distribution of fractures in the Ordovician carbonate rocks is related with the lithology, regional stress field and structural position, and appears in SN zonation, EW blocks and fault control in north slope of Tazhong area, Tarim basin.

Key words: Tarim basin, Ordovician, carbonate reservoir, fracture, distribution

CLC Number:

TE112.221

JU Yan, SUN Xiong-wei, ZHANG Cheng-sen, YU Hong-feng, LIU Xin. Multi-Approach Characterization and Distribution of Ordovician Carbonate Fractures in Tazhong Area, Tarim Basin[J]. Xinjiang Petroleum Geology, 2011, 32(3): 262-266.

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