| 封闭多井油藏中的压力恢复分析 |
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| 引用本文： | 林加恩,杨慧珠.封闭多井油藏中的压力恢复分析[J].中国化学工程学报,2005,13(4):441-450. |
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| 作者姓名： | 林加恩 杨慧珠 |
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| 作者单位： | [1]Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China [2]Petroleum Engineering Institute, Xi＇an Petroleum University, Xi＇an 710065, China |
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| 摘 要： | A general method has been developed for analyzing pressure buildup data from a well located in a system with both production and injection wells in a closed, bounded two-phase flow reservoir. The proposed method enables one to calculate the total mobility or permeability-thickness product, the skin factor, the average drainage-area pressure and the injection-production ratio （at the instant of shut-in） with accuracy from pressure buildup （or falloff） data dominated by a linear trend of reservoir pressure. Out of thousands of well tests, several typical field examples have been presented to illustrate the application of the proposed method for analyzing pressure transient data from a well located in a water-injection multiwell reservoir. And the possible application of this method to heterogeneous systems such as naturally fractured reservoirs is also discussed. Approaches to aid practicing engineers in verifying the buildup interpretation （or recognizing the interference of offset wells） are presented. Extension of the presented method to a gas well located in a multiwell gas reservoir is also suggested
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| 关 键 词： | 多井油藏 封闭性 压力恢复分析 流动性 油气资源 |
| 收稿时间： | 2005-01-13 |
| 修稿时间： | 2005-01-132005-04-05 |
Pressure Buildup Analysis for a Well in a Closed, Bounded Multiwell Reservoir |
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| LIN Jia''en,Yang Huizhu.Pressure Buildup Analysis for a Well in a Closed, Bounded Multiwell Reservoir[J].Chinese Journal of Chemical Engineering,2005,13(4):441-450. |
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| Authors: | LIN Jia'en Yang Huizhu |
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| Affiliation: | Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;Petroleum Engineering Institute, Xi'an Petroleum University, Xi'an 710065, China;Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China |
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| Abstract: | A general method has been developed for analyzing pressure buildup data from a well located in a system with both production and injection wells in a closed, bounded two-phase flow reservoir. The proposed method enables one to calculate the total mobility or permeability-thickness product, the skin factor, the average drainage-area pressure and the injection-production ratio (at the instant of shut-in) with accuracy from pressure buildup (or falloff) data dominated by a linear trend of reservoir pressure. Out of thousands of well tests, several typical field examples have been presented to illustrate the application of the proposed method for analyzing pressure transient data from a well located in a water-injection multiwell reservoir. And the possible application of this method to heterogeneous systems such as naturally fractured reservoirs is also discussed. Approaches to aid practicing engineers in verifying the buildup interpretation (or recognizing the interference of offset wells) are presented. Extension of the presented method to a gas well located in a multiwell gas reservoir is also suggested |
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| Keywords: | two-phase flow multiwell reservoir well test analysis closed system gas well test |
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