| 川西DY构造须家河组致密砂岩储层裂缝分布控制因素 |
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| 引用本文： | 王志萍,秦启荣,王保全,柳智利.川西DY构造须家河组致密砂岩储层裂缝分布控制因素[J].断块油气田,2011,18(1):22-25. |
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| 作者姓名： | 王志萍 秦启荣 王保全 柳智利 |
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| 作者单位： | 王志萍,秦启荣,柳智利,Wang Zhiping,Qin Qirong,Liu Zhili(西南石油大学资源与环境学院,四川,成都,610500);王保全,Wang Baoquan(中海石油(中国)有限公司天津分公司渤海油田勘探开发研究院,天津,300452) |
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| 摘 要： | 川西DY构造须家河组致密砂岩储层发育4种类型裂缝:构造缝、成岩缝、异常高压缝以及诱导层理缝,其中以高角度的平面"X"剪切缝为主.该区裂缝的发育分布受构造应力、构造部位、岩性、岩层厚度以及流体压力等因素的控制.构造应力的方向和强度控制了全区裂缝的类型和裂缝产状,在北西向(NW)挤压应力的作用下形成了高角度的南北向(NS)...
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| 关 键 词： | 裂缝 控制因素 致密砂岩 须家河组 DY构造 |
Controlling factors of fracture distribution in tight sandstone reservoir of Xujiahe Formation in DY structure,western Sichuan |
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| Wang Zhiping,Qin Qirong,Wang Baoquan,Liu Zhili.Controlling factors of fracture distribution in tight sandstone reservoir of Xujiahe Formation in DY structure,western Sichuan[J].Fault-Block Oil & Gas Field,2011,18(1):22-25. |
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| Authors: | Wang Zhiping Qin Qirong Wang Baoquan Liu Zhili |
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| Affiliation: | Wang Zhiping1 Qin Qirong1 Wang Baoquan2 Liu Zhili1(1.School of Resource & Environment Science,Southwest Petroleum University,Chengdu 610500,China,2.Research Institute of Bohai Petroleum Exploration and Development,Tianjin Company,CNOOC,Tianjin 300452,China) |
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| Abstract: | There are tectonic fractures,diagenetic fractures,fractures related to overpressures and induced fractures in the tight sandstone reservoir of Xujiahe Formation in DY structure,western Sichuan.Among them,the high angle tectonic fractures are dominant.The development degree of these fractures is controlled by tectonic stresses,structural locations,lithology,rock layer thickness and fluid pressure.The direction and intensity of tectonic stress control the type and occurrence of fractures in the whole region.U... |
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| Keywords: | fracture controlling factor tight sandstone Xujiahe Formation DY structure |
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