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| 东营凹陷乐安油田草4块沙四段储层敏感性研究 | |
| 引用本文： | 袁杰,赵阳,李淑平. 东营凹陷乐安油田草4块沙四段储层敏感性研究[J]. 内蒙古石油化工, 2009, 0(17): 107-110 |
| 作者姓名： | 袁杰 赵阳 李淑平 |
| 作者单位： | [1]中国石油大学（华东）石油工程学院 [2]胜利油田胜利采油厂 |
| 摘 要： | 针对油田开发过程中出现的问题，应用薄片、全岩矿物组分、X衍射、扫描电镜、物性、流体化验等资料，分砂层组对乐安油田草4块沙四段储层岩石成分、流体性质和物性特征进行了分析；通过敏感性流动实验对储层各种敏感性进行了研究。结果表明，3砂层组表现为中等偏强一强水敏、强酸敏、中等碱敏，4砂层组表现为弱一中等偏弱水敏、中等酸敏、弱碱敏；3、4砂层组均为强一极强盐敏，但临界矿化度不同；均不存在速敏性。分析了各种敏感性的成因机制，提出了抑制储层敏感性的措施。 |
| 关 键 词： | 东营凹陷 乐安油田 敏感性 粘土矿物 |
Study on reservoir sensitivity of Member 4 of Shahejie Formation in Block Cao4,Le'an Oilfield,Dongying Sag |
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| Affiliation: | YUAN Jie, ZHAO Yang, LI Shu--ping (1. College of Petroleum Engineering in China University of Petroleum(Huadong) 2. Dongsheng Jinggong Petroleum Development Group Corporation) |
| Abstract: | Aimed at the problem in oilfield production,the rock ingredient,fluid properties and petrophysical character of Member 4 of Shahejie Formation in Block Cao4 of Le'an Oilfield were analyzed by sands group using the data of thin section,full rock mineral component,X-ray diffraction,electron microscope scanning,petrophysical property and fluid assay.All kinds of reservoir sensitivities were researched on sensitivity flowing experiment.The results show there exist middle to strong or strong water sensitivity,st... |
| Keywords: | Dongying Sag Le'an Oilfield Sensitivity Clay Mineral |
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