The controlling factors of oil and gas charging and accumulation of Puguang gas field in the Sichuan Basin  

作　　者：MA YongSheng CAI XunYu GUO TongLou 

机构地区：[1]Exploration Company, SlNOPEC, Beijing 100029, China [2]Exploration Company in Southern China, SINOPEC, Chengdu 610041, China

出　　处：《Chinese Science Bulletin》2007年第A01期193-200,共8页

基　　金：the National Key Basic Research and Development Program of China (Grant No. 2001CB209100)

摘　　要：Combined with oil and gas transport and accumulation, structure-lithology evolution history, and with geochemistry and synthesizing geology methods, this paper studies the oil and gas discharge history of Puguang large scale gas field and the main controlling factors of oil accumulation. The natural gas in Puguang gas field is mainly coal-derived gas and oil-racked gas. The main hydrocarbon is Upper Permian coal mudstone and Lower Silurian mud shale with organic material. Puguang gas field has gone through discharge and adjustment 3 times, and it has favorable palaeostructure location, high quality dredge and effectively conserving conditions.Combined with oil and gas transport and accumulation, structure-lithology evolution history, and with geochemistry and synthesizing geology methods, this paper studies the oil and gas discharge history of Puguang large scale gas field and the main controlling factors of oil accumulation. The natural gas in Puguang gas field is mainly coal-derived gas and oil-racked gas. The main hydrocarbon is Upper Permian coal mudstone and Lower Silurian mud shale with organic material. Puguang gas field has gone through discharge and adjustment 3 times, and it has favorable palaeostructure location, high quality dredge and effectively conserving conditions.

关 键 词：油气积蓄 四川盆地 地质 资源开发 

分 类 号：P54[天文地球—构造地质学]