Thermal Evolution and Hydrocarbon Generation in the Caohu Sag of the Tarim Basin——Based on IES Basin Simulation Technology
详细信息
- 责任者：Wang Bin (Wuxi Research Institute of Petroleum Geology ; SINOPEC ; Wuxi 214151 ; China) ; Zhao Yongqiang
- 刊名：Petroleum Geology & Experiment
- 出版年：2010
- 卷期：32(6)
- 关键词：热演化 ; thermal evolution ; 生烃作用 ; hydrocarbon generation ; 塔里木盆地 ; Tarim Basin
- 页码：p.605-609
- 图表：3 illus., 2 tables, 13 refs.
- 分类号：1003
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
On the basis of single well burial history simulation in the Caohu Sag of the Tarim Basin, studies of thermal evolution and hydrocarbon generation histories have been carried out with the IES-PetroMod basin modeling software. Several conclusions were made: 1) in the sag, Ro of the Cambrian and the Ordovician source rocks had reached 0.5% during the Middle Ordovician and had begun to generate hydrocarbon; 2) in the east and the west edge of the sag, the Cambrian source rocks reached the oil generation peak in the middle Caledonian and the late Hercynian; 3) in the Kuerle uplift, the Cambrian and the Ordovician source rocks had entered the mature and the highly mature stages in the early Hercynian. From the late Hercynian to the Himalayan, the Kuerle structural nose continued subsiding, but the burial depth was limited and there was nearly no probability for secondary hydrocarbon generation.
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