| 水驱油田油水相对渗透率曲线研究 |
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| 引用本文： | 高文君,姚江荣,公学成,熊庆勇.水驱油田油水相对渗透率曲线研究[J].新疆石油地质,2014,35(5):1-1. |
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| 作者姓名： | 高文君 姚江荣 公学成 熊庆勇 |
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| 作者单位： | (1. 中国石油 吐哈油田分公司 勘探开发研究院,新疆 哈密 839009;2. 中国石油 吐哈油田分公司 鄯善采油厂,新疆 鄯善 838202) |
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| 基金项目： | 中石油科技重大专项(2012E-34-09) |
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| 摘 要： | 采用水驱油实验计算油水两相相对渗透率的方法比较复杂，得到油水相对渗透率与出口端含水饱和度离散数据点较少，且主要集中在高含水饱和度末端。利用Willhite模型拟合求取油水两相相对渗透率与出口端含水饱和度曲线，偏差较大。对其进行改进后，经实际油田相渗数据应用，模型拟合精度高、偏差小，标准化后的油水相对渗透率曲线基本位于多条岩心实验数据中部，且形态与岩心数据趋势一致，值得参考推广。
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| 关 键 词： | 水驱油田 相对渗透率 Willhite模型 非稳态法 改进 拟合 |
Study on OilWater Relative Permeability Curves in Water Flooding Oilfields |
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| GAO Wenjun,YAO Jiangrong,GONG Xuecheng,XIONG Qingyong.Study on OilWater Relative Permeability Curves in Water Flooding Oilfields[J].Xinjiang Petroleum Geology,2014,35(5):1-1. |
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| Authors: | GAO Wenjun YAO Jiangrong GONG Xuecheng XIONG Qingyong |
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| Affiliation: | (1.Research Institute of Exploration & Development, Tuha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China;2.Shanshan Oil Production Plant, Tuha Oilfield Company, PetroChina, Shanshan, Xinjiang 838202, China) |
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| Abstract: | The methods for calculation of oil?water relative permeability by water?oil displacement experiment are complex, by which the oil?water relative permeability and outlet water saturation are of few discrete data points commonly, and mainly concentrated in the end of the high water saturation. If using Willhite model to match or calculate the curves of oil?water relative permeability and outlet water saturation, the deviations or errors are usually bigger. This paper presents the improved model and makes case studies. The results indicate that it has high matching accuracy and very small errors. The standardized oil?water relative permeability curves are generally concentrated in the middle range of the core experimental curves, basically consistent with the trend of core data changes, worthy of reference and promotion |
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