济阳坳陷煤成气富集成藏的盆地动力学特征  

Basin dynamical features of coal-related gas assemblage in Jiyang Depression

作　　者：李增学[1] 曹忠祥[2] 余继峰[1] 王明镇[1] 郭建斌[1] 韩美莲[3] 李江涛[4] 

机构地区：[1]山东科技大学 [2]胜利油田有限公司地质科学研究院,山东东营207515 [3]山东科技大学泰安校区,山东泰安271019 [4]中国科学院广州地球化学研究所,广东广州510640

出　　处：《煤田地质与勘探》2006年第4期26-29,共4页Coal Geology & Exploration

基　　金：国家重点基础研究发展规划项目(2003CB214608)资助

摘　　要：济阳地区具有煤成气聚集成藏的物质基础和盆地动力学背景。主要表现在石炭—二叠系在济阳坳陷的某些中、新生代断陷区块内保存完整,以含煤地层为主要特色的生烃生气岩系发育;石炭—二叠系上部(如上石盒子组分布广泛而稳定的砂岩)具有良好的储层发育条件,区域盖层为煤成气成藏创造了封闭条件。因此,石炭—二叠系本身具有良好的生、储、盖组合序列,是济阳坳陷煤成气聚集成藏的最重要地质条件。Jiyang area is of the material base and the dynamic background for the assemblage of the coal- related gas. That is, the Permo- Carboniferous strata are preserved well in some fault- blocks of Mesozoic- Cenozoic era in Jiyang Depression. The rock series producing the hydrocarbon and the gas have developed which are characterized by the coal - bearing strata. The upper strata of Permo - Carbonifemus（ for example, broadly and stably distributed upper Shihezi Formation sandstones） are of good condition for reservoir development. The regional caps produced the confining condition for the coal- related gas enriching into the deposits. Therefore, the Permo - Carboniferous strata possessing the good assemblage of the source, the reservoir and the cap are of the most important geological condition for the coal - related gas enriching into the deposits in Jiyang Depression.

关 键 词：煤成气 沉积微相 盆地动力学 济阳坳陷 

分 类 号：P618.11[天文地球—矿床学]