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Prediction of the Deep Natural Gas Potential of Changling Fault Depression, Songliao Basin

详细信息

责任者：Yan Weipeng (Research Institute of Petroleum Exploration and Development ; PetroChina ; Beijing 100083 ; China) ; Li Jianzhong
刊名：Geoscience
出版年：2009
卷期：23(5)
关键词：深层气 ; deep gas ; 松辽平原 ; Songliao Plain
页码：p.902-907
图表：3 illus., 2 tables, 11 refs.
分类号：1003
issnNo：ISSN1000-8527
isbnNo：CN11-2035/P

摘要

The deep beds of Changling fault depression is characterized by rich natural gas which can reach from 1.14×10¹² m³ to 1. 71×10¹² m³ (the average value is 1.42×10¹² m³) according to the results of petroleum system simulation. The hydrocarbon gases and CO₂ are distributed in different areas: the east part of the depression is rich in hydrocarbon gases ; the west part is rich in CO₂; the middle part is rich in the both kinds of gases. The distribution of hydrocarbon gases are controlled by source rocks, while the CO₂ is closely related to the volcanic rocks and major basement faults. The comprehensive evaluations show five favorable regions, among which one is belong to type I , three belong to type II, one belong to type III. The type I and type II are the favorable regions to explore for the next step.

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