页岩微观孔隙成因类型研究  

Study on genetic type of micropore in shale reservoir

作　　者：何建华[1,2,3] 丁文龙[1,2,3] 付景龙[2] 李昂[3] 代鹏[3] 

机构地区：[1]中国地质大学(北京)能源学院,北京100083 [2]中国地质大学(北京)海相储层演化与油气富集机理教育部重点实验室,北京100083 [3]中国地质大学(北京)页岩气资源战略评价国土资源部重点实验室,北京100083

出　　处：《岩性油气藏》2014年第5期30-35,共6页Lithologic Reservoirs

基　　金：国家自然科学基金面上项目"渤海湾盆地济阳坳陷古近系陆相富有机质页岩裂缝研究"(编号:41372139);"中国南方下古生界海相富有机质页岩裂缝发育程度与主控因素定量关系研究"(编号:41072098);国家重大科技专项专题"渤海湾盆地页岩油气资源评价"(编号:2011ZX05018-001-002);"沾化凹陷罗家地区沙三下亚段泥页岩储层裂缝形成与分布预测"(编号:2011ZX05009002-205)联合资助

摘　　要：运用场发射扫描电镜对黔北及黔西北地区黑色页岩微观孔隙的大小、形态、分布以及渗流特征进行了观察与描述,并以孔隙成因与孔隙发育位置为主次分类依据,将页岩孔隙分为原生沉积型、成岩后生改造型及混合成因型3个大类和粒间孔、晶内孔、古生物化石孔及有机质孔等10个亚类。探讨了影响页岩孔隙发育的主要因素及孔隙演化特征,对页岩储层的含气性研究具有一定的理论意义和实践价值。By using field emission scanning electron microscope, this paper observed and described the size, shape, distribution and seepage characteristics of mieropore in dark shale in northern and northwestern Guizhou. Based on the genesis, the pores were divided into three categories： primary sedimentary pores, secondary pores and mixed pores. Based on the development location, the pores were divided into ten sub-categories, such as intergranular pores, intra- crystalline pores, fossiliferous pores, organic matter pores and so on. The influencing factors for the pore development and the pore evolution characteristics of shale were discussed, which has important theoretical and practical significance for the study on shale reservoir.

关 键 词：页岩储层 微观孔隙 扫描电镜 孔隙类型划分 孔隙演化 

分 类 号：TE122.23[石油与天然气工程—油气勘探]