| 四川盆地中西部上三叠统砂岩非构造裂缝储层 |
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| 引用本文： | 王洪辉 陆正元. 四川盆地中西部上三叠统砂岩非构造裂缝储层[J]. 石油与天然气地质, 1998, 19(1): 35-41. DOI: 10.11743/ogg19980106 |
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| 作者姓名： | 王洪辉 陆正元 |
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| 作者单位： | 成都理工学院石油系, 四川成都610059 |
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| 摘 要： | 四川盆地中西部上三叠统砂岩的裂缝控制了流体的储集与渗滤能力。裂缝为非构造作用成因,由差异压实作用、溶蚀作用、岩溶陷落作用及重力滑动作用形成。古残丘的高部位和较高部位是非构造裂缝网系最发育的地方,也是布置探井和开发井的理想位置。
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| 关 键 词： | 非构造裂缝 致密砂岩 形成 上三叠统 四川盆地 |
| 收稿时间： | 1997-05-13 |
NONTECTONIC FRACTURED SANDSTONE RESERVOIRS OF UPPER TRIASSIC IN MIDDLE WEST SICHUAN BASIN |
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| Wang Honghui,Lu Zhengyuan. NONTECTONIC FRACTURED SANDSTONE RESERVOIRS OF UPPER TRIASSIC IN MIDDLE WEST SICHUAN BASIN[J]. Oil & Gas Geology, 1998, 19(1): 35-41. DOI: 10.11743/ogg19980106 |
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| Authors: | Wang Honghui Lu Zhengyuan |
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| Affiliation: | Department of Petroleum, Chengdu Institute of Technology, Chengdu, Sichuan |
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| Abstract: | The fractures in Upper Triassic sandstones in middle west ares of Sichuan Basin has controlled the reservoiring and penetration of fluids.The fracture forming mechanism in Upper Triassic of the area is mainly nontectonic origin,including differential compaction,corrossion,karst collapse and gravity sliding.The top and upper parts of paleo unaka are favourable places for nontectonic fracture system,thus they are perfect places for both test wells and development wells. |
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