| 气井探测半径对产能方程的影响 |
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| 引用本文： | 郝玉鸿. 气井探测半径对产能方程的影响[J]. 新疆石油地质, 1999, 20(1): 53-55 |
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| 作者姓名： | 郝玉鸿 |
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| 作者单位： | 长庆石油勘探局勘探开发研究院 |
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| 摘 要： | 在气井试井过程中,测试往往达不到拟稳态,这时使用产能方程存在一定误差。在产能方程的二项式表述时,二项式系数(Ａ、Ｂ)随探测半径增大呈一定规律性变化,同时,无阻流量亦发生规律性变化。在分析了上述有关的变化规律后,可以更好地指导试井设计和具体的试井工作
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| 关 键 词： | 气井 气井产能 气井试井 渗透率 无阻流量 |
EFFECT OF INVESTIGATION RADIUS IN A GAS WELL ON DELIVERABILITY EQUATION. |
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| Hao Yuhong,Engineer,Reservoir Engineering,Research Institute of Exploration and Development,Changqing Petroleum Exploration Bureau,Xi'an,Shaanxi. EFFECT OF INVESTIGATION RADIUS IN A GAS WELL ON DELIVERABILITY EQUATION.[J]. Xinjiang Petroleum Geology, 1999, 20(1): 53-55 |
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| Authors: | Hao Yuhong Engineer Reservoir Engineering Research Institute of Exploration Development Changqing Petroleum Exploration Bureau Xi'an Shaanxi |
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| Affiliation: | Hao Yuhong,Engineer,Reservoir Engineering,Research Institute of Exploration and Development,Changqing Petroleum Exploration Bureau,Xi'an,Shaanxi 710021 |
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| Abstract: | Pseudosteady state seldom occurrs in gas well testing. In this case the use of deliverability equation may obtain erroneous result. In binomial expression of deliverability equation, the binomial coefficient (A,B) changes with the increase in investigation radius, and open flow capacity also varies regularly. This finding can more effectively direct well test design and its implementation. |
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| Keywords: | Gas well Gas well productivity Gas well testing Permeability Open flow capacity |
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