Base Level Cycle and Reservoir Prediction of Lower Carboniferous in Hadexun Uplift, Tarim Basin

Abstract

Abstract: Based on prineiple and methods for base level cycle, the drilling. well logging, seismic and geochemical data from Hadexun area are analyzed. One I-type and three II-type sequence interfaces of Lower Carboniferous are recognized, and three medium-lerm base level eycles (SC₁, SC₂, SC₃) corresponding to three trangressive-regressive cycles are classified. SC cyele is dominated by longshore bar deposit, while SC₂, SC₃ by tidal nat system. The study shows that SC₁ sandstone and SC₂ flagstone are favorable reservoir sand bodies and could be as key targets for exploration of stratigraphic and lihologic oil-gas pools.

Key words: Tarim basin, Lower Carboniferous, base level, tidal flat, reservoir

CLC Number:

TE111.3

TANG Zi-jun, LI Qi-rming, ZHAO Fu-yuan, DI Hong-li, YANG Shuan-rong, XIE Xu-zhao, ZHANG Chun-lian. Base Level Cycle and Reservoir Prediction of Lower Carboniferous in Hadexun Uplift, Tarim Basin[J]. Xinjiang Petroleum Geology, 2005, 26(5): 533-535.

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Base Level Cycle and Reservoir Prediction of Lower Carboniferous in Hadexun Uplift, Tarim Basin

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