| 缝洞型底水油藏水锥形态确定方法 |
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| 引用本文： | 吕爱民,姚军,王伟.缝洞型底水油藏水锥形态确定方法[J].新疆石油地质,2011,32(1):45-48. |
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| 作者姓名： | 吕爱民 姚军 王伟 |
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| 作者单位： | 中国石油大学石油工程学院,山东东营257061 |
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| 基金项目： | 国家973项目(2006CB202404) |
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| 摘 要： | 针对位于缝洞型底水油藏大型溶洞处的单开临界产量计算和水锥预测缺少有效方法的实际,考虑洞内、洞外两种流动力学特征和流动规律的不同,分别在二项式流动模式和线性流动模式基础上推导出了临界产量下用于描述洞内外水锥形态的计算公式,建立了由开发初期稳定试井资料获取关键参数的方法,并可用试算法计算临界产量。应用实例表明,洞内的水锥在近井区形成尖峰,并向外快速降低为平台;洞外水锥与洞内水锥形态明显不同,其形态由内而外逐渐变缓。
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| 关 键 词： | 碳酸盐岩油气藏 底水油气藏 水锥 形态 |
| 收稿时间： | 2010-07-13 |
A Method for Determination of Water Coning Shape of Fractured-Vuggy Layered Reservoirs with Bottom Water |
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| LV Ai-min,YAO Jun,WANG Wei.A Method for Determination of Water Coning Shape of Fractured-Vuggy Layered Reservoirs with Bottom Water[J].Xinjiang Petroleum Geology,2011,32(1):45-48. |
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| Authors: | LV Ai-min YAO Jun WANG Wei |
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| Affiliation: | College of Petroleum Engineering, China University of Petroleum, Dongying, Shandong 257061, China |
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| Abstract: | In view of the shortage of effective approach for calculating the critical production and predicting the water coning in fractured-vuggy layered reservoirs with bottom water when drilling inside vugs,a method for domain decomposition is adopted,considering the different flow mechanical characteristics and flow variation between inside and outside of vugs,a calculating formula is put forward to describe the water coning shape under critical production based on binomial and linear flow models.The method for g... |
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| Keywords: | carbonate reservoir bottom water reservoir water coning shape |
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