| 低渗强水敏储层单相油渗流特征实验研究 |
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| 引用本文： | 张洪艳,臧士宾,任晓娟,张新勃,于娟,王理国,丁建立.低渗强水敏储层单相油渗流特征实验研究[J].辽宁化工,2013(10):1173-1175. |
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| 作者姓名： | 张洪艳 臧士宾 任晓娟 张新勃 于娟 王理国 丁建立 |
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| 作者单位： | [1]西安石油大学石油工程学院,陕西西安710065 [2]青海油田公司勘探开发研究院,甘肃敦煌736202 [3]延长油田股份有限公司瓦窑堡采油厂,陕西延安717300 [4]中国石化中原油田分公司采油一厂,河南濮阳457171 |
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| 摘 要： | 对w油田N2^1超低渗储层岩心进行单相油渗流实验研究，结果表明流体在低速渗流时，非线性渗流特征明显，存在启动压力梯度，且水敏性低渗储层的启动压力梯度明显更高。w油田N2^1水敏性低渗储层原油渗流能力差，一般油相渗透率不大于气测渗透率的2％。
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| 关 键 词： | 超低渗透储层 渗流规律 启动压力梯度 实验研究 |
Experiment Research on Single-phase Oil Seepage Characteristics of Low Permeability and High Water Sensitivity Reservoirs |
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| ZHANG Hong-Yan,ZANG Shi-Bin,REN Xiao-Juan,ZHANG XinoBo,YU Juan,WANG Li-Guo,DING Jian-Li.Experiment Research on Single-phase Oil Seepage Characteristics of Low Permeability and High Water Sensitivity Reservoirs[J].Liaoning Chemical Industry,2013(10):1173-1175. |
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| Authors: | ZHANG Hong-Yan ZANG Shi-Bin REN Xiao-Juan ZHANG XinoBo YU Juan WANG Li-Guo DING Jian-Li |
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| Affiliation: | 4 ( 1. Xi＇an Shiyou University, Shaanxi Xi＇an 710065, China; 2. PertoChina Qinghai Oilfield Company Exploration and Development Research Institute, Gansu Dunhuang 736202, China; 3. Yanchang Oilfield Limited Company Wayaobu Oil Production Plant, Shaanxi Yan＇an 717300, China; 4. Sinopee Zhongyuan Oilfield Company No.1 Oil Production Plant, Henan Puyang 457171, China) |
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| Abstract: | The core single-phase oil flow experiments about N21 ultra-low permeability reservoir of W oil tielo were cameo out. The results show that the fluid under low speed percolation has obvious nonlinear seepage characteristics, there is start-up pressure gradient, and low permeability reservoir with water sensitivity has significantly higher start-up pressure gradient. N21 water sensitivity low permeability oil reservoir has poor percolation capacity; the oil phase permeability is not more than 2% of gas logging permeability. |
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| Keywords: | ultra low permeability reservoir seepage law start-up pressure gradient experimental study |
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