1 State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum-Beijing, Beijing 102249, China 2 School of Geosciences, China University of Petroleum-Beijing, Beijing 102249, China 3 Research Institute of Petroleum Exploration & Development, Tarim Oilfield Company, PetroChina, Korla 841000, China
In recent years, significant breakthroughs have been achieved in the exploration of the Kuqa Depression in the Tarim Basin. However, previous studies on the hydrocarbon accumulation process in the study area are relatively scarce. In this study, organic geochemistry, fluid inclusion experiments, and basin simulation techniques are employed to systematically analyze the source, accumulation period, and accumulation process of crude oil in the study area. The results show that two oil groups, namely Group I and Group II, can be identified in the study area. The tricyclic terpenoids of Group I crude oil follow the pattern of C19
Key words：Kuqa foreland basin; hydrocarbon accumulation; hydrocarbon accumulation process; crude group division; Qiulitage tectonic belt
Received： 2024-07-29
Corresponding Authors：luxx@cup.edu.cn
Cite this article：张昊, 吕修祥, 王晓雪, 李素梅, 朱毅秀, 蒲明宇, 李燕琴. 库车前陆盆地南斜坡西段油气成藏过程研究. 石油科学通报, 2025, 10(01): 35-50 ZHANG Hao, LYU Xiuxiang, WANG Xiaoxue, LI Sumei, ZHU Yixiu, PU Mingyu, LI Yanqin. Study on hydrocarbon accumulation process in the western section of south slope of Kuqa foreland basin. Petroleum Science Bulletin, 2025, 10(01): 35-50.
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