Micro-Heterogeneous Features of Lower Jurassic Reservoir in Kuche Depression

Abstract

Abstract: This paper analyzed the micro-heterogeneous features of different sedimentary microfacies (braided channel,underwater distributary channel, channel bar and debouch bar) of A he formation and Yangxia formation in Tugermin area and Kezilenur area of Kuche depression. The result showed that different sedimentary microfacies possess clearly different rock structures and pore configurations; the braided channel microfacies are of the best reservoir quality,underwater distributary channel microfacies are of average quality,while channel bar and debouch bar of the poorest. F or the same microfacies, that of Tugermin area is better than that of Kezilenur area.

Key words: Tarim basin, Kuqa Depression, Early Jurassic, sedimentary microfacies, reservoir, microstructure, heterogeneity

CLC Number:

TE112.23

CHEN Zi-liao, SHOU Jian-feng, ZHANG Hui-liang, SHEN Jian-jiang, SI Chun-song, WANG Shao-yi. Micro-Heterogeneous Features of Lower Jurassic Reservoir in Kuche Depression[J]. Xinjiang Petroleum Geology, 2001, 22(5): 405-407.

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Micro-Heterogeneous Features of Lower Jurassic Reservoir in Kuche Depression

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