Analysis of the Formation Stages of Oil and Gas Reservoirs in Tarim Basin

Abstract

Abstract: Tarim basin is characterized by multistage hydrocarbon generation and migration, formation of reservoir,regulation and destruction. This paper, by means of trap-forming and hydrocarbon generation/ drainage analysis method, organic reservoir rock analysis method, diagenetic mineral(e.g.ilite) isotopic dating method, and calculation by saturation pressure/ dew point pressure in hydrocarbon reservoirs, makes a systematic analysis of reservoir formed stages in Tarim basin. The results show that the oil reservoirs are primarily formed in Indo-China-Late Himalayan movement, dominated by Middle-I ate Himalayan movement. In addition, the different petroleum systems in Tarim basin have been drawn and analyzed, pointing out that Tarim basin is characterized by forming reservoirs in late stage.

Key words: Tarim basin, oil and gas reservoir, reservoir-forming stage, Indo-China orogeny, Himalayan Orogeny, oil and gas accumulation

CLC Number:

TE112.31

KANG Zhi-hong, WEI Li-ling, KANG Yan-fang. Analysis of the Formation Stages of Oil and Gas Reservoirs in Tarim Basin[J]. Xinjiang Petroleum Geology, 2001, 22(6): 462-464.

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