| 低电阻油层成因及其研究方法：以辽河油田为例 |
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| 引用本文： | 康志勇.低电阻油层成因及其研究方法：以辽河油田为例[J].新疆石油地质,1997,18(4):380-384. |
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| 作者姓名： | 康志勇 |
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| 作者单位： | 辽河石油勘探局勘探开发研究院!辽宁盘锦124010 |
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| 摘 要： | 低电阻油层主要有两种储集层类型:一种是粉砂岩储集层;另一种是含粘土矿物的砂岩储集层.在这两种储集层中,由于强烈的毛细管作用和极大的内表面积形成的高含水饱和度使含烃储集层的电阻率与纯水层相似.在分析了辽河油田锦16块低电阻率油层的地质特点后,提出了识别低电阻油层的基本方法:从分析油藏的形成条件和储集层的岩性特征入手,利用测井信息结合岩心分析资料识别低电阻油层.
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| 关 键 词： | 低 电阻率 油层 束缚水饱和度 粘土矿物 表面积 粉砂岩 岩心分析 |
Origin of Low Resistivity Pay Zone and Its Study Method-An example from Liaohe oilfield |
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| Kang Zhiyong,Engineer,Petroleum Geology,Research Institute of Exploration and Development,Liaohe Petroleum Exploration Bureau,Panjin,Liaoning.Origin of Low Resistivity Pay Zone and Its Study Method-An example from Liaohe oilfield[J].Xinjiang Petroleum Geology,1997,18(4):380-384. |
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| Authors: | Kang Zhiyong Engineer Petroleum Geology Research Institute of Exploration and Development Liaohe Petroleum Exploration Bureau Panjin Liaoning |
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| Affiliation: | Kang Zhiyong,Engineer,Petroleum Geology,Research Institute of Exploration and Development,Liaohe Petroleum Exploration Bureau,Panjin,Liaoning 124010 |
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| Abstract: | Low resistivity pay zone includes two types of reservoirs, one is siltstone reservoir, the other is clayey sandstone reservoir. The resistivities of these two types of reservoir are similar to that of water layer because of high water saturation formed by strong capillary action and large inner-surface area. After analysing the geologic characteristics of low resistivity pay zone in Jin 16 Block of Liaohe oilfield, the author presented a method for discriminating low resistivity pay zone, that is, on the basis of forming conditions of pool and lithologic characteristics of reservoir, low resistivity pay zone can be identified by using logging information and core data. |
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| Keywords: | Low Resistivity Oil reservoir Irreducible water saturation Clay mineral Surface area Siltstone Core analyses |
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