| 川东南地区须家河组低阻气层成因机制 |
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| 引用本文： | 蒋裕强,张春,谭勇,郭红光,徐后伟,季春海.川东南地区须家河组低阻气层成因机制[J].石油与天然气地质,2011,32(1):124-132. |
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| 作者姓名： | 蒋裕强 张春 谭勇 郭红光 徐后伟 季春海 |
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| 作者单位： | 1. 西南石油大学资源与环境学院,四川,成都,610500
2. 中国石油西南油气田公司重庆气矿,重庆,400021 |
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| 摘 要： | 川东南地区上三叠统须家河组含气层普遍具有低阻特征，成因类型复杂多样，气、水关系复杂，识别难度大。利用岩心分析化验、录井、测井、构造及试油等资料，结合低阻气层测井响应特征，从宏观和微观方面入手，对该区低阻气层成因机制进行系统深入剖析。研究表明，造成该区低阻气层的主控因素为：①低幅度构造背景下发育低孔、低渗泥质砂岩储层；②孔隙结构复杂，高束缚水饱和度，高地层水矿化度；③低能沉积环境下储层颗粒细，泥质含量较高，粘土矿物附加导电性及局部导电矿物富集。储层物性与电阻率呈一定负相关关系。
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| 关 键 词： | 关键词：孔隙结构 低幅构造 成因机制 低阻气层 沉积环境 须家河组 川东南地区 |
Genetic pattern of low-resistivity gas reservoirs in the Xujiahe Formation,southeastern Sichuan Province |
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| Jiang Yuqiang,Zhang Chun,Tan Yong,Guo Hongguang,Xu Houwei,Ji Chunhai.Genetic pattern of low-resistivity gas reservoirs in the Xujiahe Formation,southeastern Sichuan Province[J].Oil & Gas Geology,2011,32(1):124-132. |
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| Authors: | Jiang Yuqiang Zhang Chun Tan Yong Guo Hongguang Xu Houwei Ji Chunhai |
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| Affiliation: | Jiang Yuqiang1,Zhang Chun1,Tan Yong2,Guo Hongguang1,Xu Houwei1 and Ji Chunhai1(1.College of Resources and Environment,Southwest Petroleum University,Chengdu,Sichuan 610500,China,2.PetroChina Southwest Oil & Gas Company,Chongqing 400021,China) |
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| Abstract: | Gas reservoirs in the Upper Triassic Xujiahe Formation,southwestern Sichuan Province are characte-rized by low resistivity,complex genetic types and complex gas-water relationships,which make them hard to identify.Using data from core analysis,logging,structures,testing and logging responses,we thoroughly examine genetic pattern of low resistivity gas reservoirs in the study area from macro-and micro-views.According to this study,main controlling factors responsible for the development of these low resistiv... |
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| Keywords: | pore configuration low-amplitude structure genetic pattern low-resistivity gas reservoir sedimentary environment Xujiahe Formation southeastern Sichuan Province |
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