Conducting System Identification for Inorganic Gas Reservoir Formation in Southern Songliao Basin, North China

详细信息   

• 责任者：Yang Huidong (Geosciences Institute of Jilin University ; Changchun 131063 ; China) ; Liu Li
• 刊名：Petroleum Geology & Oilfield Development in Daqing
• 出版年：2008
• 卷期：27(3)
• 关键词：天然气 ; natural gas ; 油气运移 ; migration of petroleum ; 松辽盆地 ; Songliao Plain
• 页码：p.18-21
• 图表：4 illus., 2 tables, 11 refs.
• 分类号：1003
• issnNo：ISSN1000-3754
• isbnNo：CN23-1286/TQ

摘要

///Southern Songliao Basin mainly develops NNE and NW basement large faults. Influenced by tectonic structure in different period, this area appears as several activity forms including extension, strike slip and compression. Geochemical indexes show that high CO₂ content gas discovered in southern basin is mostly inorganic genetic gas. Study on deep crust and mantle structure of the basin, Changling rift controlling skeletal faulting system, shallow and middle CO₂ gas reservoir and passing associated mineral dawsonite distribution shows that Qian’an large fracture and its extending part is an embodiment of Sunwu fracture in southern Songliao Basin, with a large scale and deep cutting, and controlling basin evolution and volcanic development. As a link of connection deep and shallow material energy exchange, spatial configuration of volcanic rock caused by heat flow diaper body, magma pocket in crust and large scale plough-shape faulting is the main conducting system of inorganic gas distribution in southern Songliao Basin.