Title: Petroleum Accumulation System and Effective Hydrocarbon Migration Pathway in the Kuqa Fold-Thrust Belts, Tarim Basin
Abstract: Petroleum accumulation system in the Kuqa fold-thrust belts consists of Jurassic coal source rocks, fault migration system and lateral ramp-related anticline traps. The lateral ramp fault is taken as an effective pathway of hydrocarbon migration in the strike-slip fault. The results indicate that hydrocarbon generated from the Jurassic coal migrates through lateral ramp fault upwards into the Cretaceous Bashenjiqike sandstone traps in the lateral ramp-related anticlines. Hydrocarbon migration may be associated with episodic expulsion of overpressure. The discovery of the Kela-2, Dina-2, Dina-1 and Tuzi-1 gas fields supports above hypothesis. Hence, the lateral ramp-related anticline may be a new potential realm for hydrocarbon exploration in the Kuqa fold-thrust belts, Tarim basin.
Publication Year: 2004
Publication Date: 2004-01-01
Language: en
Type: article
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Cited By Count: 3
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