收稿日期: 2010-12-07
修回日期: 2011-04-11
网络出版日期: 2011-08-10
基金资助
中国石油股份公司重大科技专项(编号：07-02Z-01-01)；中国石油创新基金项目(编号：2009D-5006-01-03)联合资助.
Study on the Pool forming Mechanism of High Content CO2 Gas Pools in Changling Fault-depression, South Songliao Basin
Received date: 2010-12-07
Revised date: 2011-04-11
Online published: 2011-08-10
鲁雪松, 魏立春, 宋岩, 柳少波, 付晓飞 . 松辽盆地南部长岭断陷高含CO2气藏成藏机制分析[J]. 天然气地球科学, 2011 , 22(4) : 657 -663 . DOI: 10.11764/j.issn.1672-1926.2011.04.657
Based on the dissections of the typical high content CO2 gas pools in Changling fault-depression,south Songliao basin,a comparative analysis was taken on the genesis,distribution characteristics and their differences of the gases of Changshen 1,2,4,6,7 high content CO2 gas pools in deep layer.Results showed that the type of basement faults determined the relative good or bad conditions for mantle-derived CO2 and hydrocarbon gas accumulations,which further determined the CO2 content in gas pools and the accumulation layer of CO2 -containing gas.The model of gas migration and accumulation in Changling fault-depression was established,which reasonably explains the gas exploration status and complex distribution problems.What's more,it provides a theoretical basis for prediction of CO2 and hydrocarbon gas before drilling.
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