| 马朗凹陷卡拉岗组火山岩储层微观特征 |
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| 引用本文： | 张小芹,席翔涛,危国亮,余水生,杨传宏,朱春波,蒋凯旋.马朗凹陷卡拉岗组火山岩储层微观特征[J].吐哈油气,2008,13(3):246-250,273. |
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| 作者姓名： | 张小芹 席翔涛 危国亮 余水生 杨传宏 朱春波 蒋凯旋 |
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| 作者单位： | 中国石油吐哈油田分公司勘探开发研究院,新疆哈密839009 |
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| 摘 要： | 从微观储集层研究的角度出发，对三塘湖盆地马朗凹陷上石炭统卡拉岗组（C2k）火山岩储层微观特征进行系统深入的分析研究，分析认为岩石类型以玄武岩为主，其次为安山岩和火山碎屑岩；火山岩储层基本属特低孔、特低渗储层，充填作用严重影响储层储集性能，交代蚀变作用对储层不利；风化淋滤作用、溶解作用和机械破碎作用对储层物性起到明显的改善作用；火成岩储集空间类型可分孔隙和裂缝两部分。储集空间组合类型可划分为气孔-溶洞组合、气孔-溶洞-裂缝组合、裂缝组合三类；杏仁、玻璃质含量越高，储层物性越好；斑晶含量与孔隙度大小呈反相关。
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| 关 键 词： | 马朗凹陷 火山岩 微观特征 成岩作用 储集空间 影响因素 |
Microcosmic Characteristics of Lava Reservoir of Kalagang Formation in Malang Sag |
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| Authors: | Zhang Xiaoqing Xi Xiangtao Wei Guoliang Yu Shuisheng Yang Chuanhong Zhu Chunbo Jiang Kaixuan Research Institute of Exploration Development Tuha Oilfield Company PetroChina Hami Xinjiang |
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| Affiliation: | Zhang Xiaoqing Xi Xiangtao Wei Guoliang Yu Shuisheng Yang Chuanhong Zhu Chunbo Jiang Kaixuan Research Institute of Exploration , Development,Tuha Oilfield Company,PetroChina,Hami 839009,Xinjiang |
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| Abstract: | Microcosmic characteristics of Upper Carboniferous lava reservoir of Kalagang formation in Malang Sag in Santanghu basin has been systematically and further analyzed from the perspective of micro-reservoir study.It is thought that rock types are dominated by the basalt,followed by andesite and volcanoclastic rock.Volcanic reservoir belongs to ultra-low porosity and ultra-low permeability reservoir.Infilling seriously affects reservoir storage capacity.Metasomatic alteration is disadvantage to reservoir.Weat... |
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| Keywords: | Malang sag volcanic rock microcosmic characteristics diagenesis reservoir space influencing factors |
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