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埕岛东斜坡东营组浊积砂体储集特征
断块油气田
2007年 14卷 第04期
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Title
Reservoir character istic s of turbidite sand bodies of
Ed Formation in Chengdao east slope
单位
胜利油田分公司地质科学研究院, 山东东营257015
Organization
( Geological Scient ific R esearch
Institute of Shengli O ilf ield Company, SINOPEC,
Dongy ing 257015, China)
摘要
埕岛东斜坡东营组中下段发育多期缓坡浊积扇和扇三角洲前缘滑塌浊积扇砂体。应用显微薄片鉴定、铸体薄片和扫描电镜等分析化验资料, 将其储集空间分为3种类型:原生粒间孔、次生溶蚀孔、微孔隙, 并分析了各种成岩作用对储层性能的影响。根据砂岩储层
划分依据, 认为埕岛东斜坡东营组中下亚段浊积砂岩属中孔中低渗型的中—好储集层。
Abstract
M u lti- gental slope turb idite fans and fan - delta front
slum p turbidite fans developed in them idd le and low er of Ed
Fo rm ation in Chengdao east slope. Reservo ir space is d iv ided
into 3 types, that is or ig ina l interg ranu lar pore, secondary
d isso lution po re and m icro- pore. The in fluence o f d ifferent
d iagenes is on reservo ir is analysed. Trubid ite of m iddle and
lower of Ed is conside red to be long to the m iddle - w ell
reservo irw ith m idd le porosity and low perm eab ility.
关键词：
埕岛东斜坡 东营组中下亚段 浊积砂体 储集特征;
Keywords:
Chengdao east slop, m idd le and low er o f
Ed, turb id ite sand body, reservo ir charac teristics;
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