| 甘谷驿油田采油厂延长组长6油层组储层裂缝研究 |
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| 引用本文： | 李莹,付国民.甘谷驿油田采油厂延长组长6油层组储层裂缝研究[J].陕西地质,2010,28(1):62-66. |
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| 作者姓名： | 李莹 付国民 |
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| 作者单位： | 1. 陕西省地矿局第三地质队,宝鸡,721300
2. 长安大学资源学院,西安,710054 |
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| 基金项目： | 博士后基金"鄂尔多斯盆地南部延长组特低渗储层精细评价及地质模型研究(20070420489)"联合资助 |
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| 摘 要： | 通过露头、岩芯裂缝描述及应用古地磁裂缝检测方法，长6储层裂缝主要以EW为主，次为SN向；在最大主应力方向为NE80°的应力场背景下，外力诱使东西向裂缝优先开启和连通，油井受效明显，含水上升快且易产生水淹，近南北向裂缝处于挤压闭合状况，裂缝孤立、连通性差，油井见效缓慢。
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| 关 键 词： | 储层裂缝 注水开发 延长组 甘谷驿油田采油厂 |
THE FRACTURAL CHARACTERISTICS OF CHANG 6 OIL RESERVOIRE IN YANCHANG FORMATION OF GANGUYI OILFIDLD |
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| Li Ying,Fu Guo-min.THE FRACTURAL CHARACTERISTICS OF CHANG 6 OIL RESERVOIRE IN YANCHANG FORMATION OF GANGUYI OILFIDLD[J].Geology of Shaanxi,2010,28(1):62-66. |
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| Authors: | Li Ying Fu Guo-min |
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| Institution: | Li Ying1,Fu Guo-min2 (1.Geological team No.3 of Shaanxi bureau of geology & mineral exploitation,Baoji 721300,2.Institute of Resources,Chang'an University,Xi'an 710054) |
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| Abstract: | Analysis of outcrop and drilling core has indicated that Chang 6 oil reservoire is mainly in E--W--Strike, secondary S--N--Strike. As the direction of the largest main stress NE 80°as present stress, external force inducement made E--W--Strike fracture first- ly open and connect. This make that oil well was influenced obviously by water rise quickly and be easy to generate water-out, nearly S--N--Strike fracture is squeezed and closed. Consequently, fracture is isolated and bad connected, and oilwell is in weak effectiveness. |
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| Keywords: | reservoir fracture waterflooding Yanchang Formation Oil Production Plant in Ganguyi Oilfield |
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