以下为句子列表：
英文: 4 methods for determination of open-flow potential in gas well are discussed, including their theoretical bases, practiceal significances, computing accuracy, applied conditions, advantage and deficiency, inherent relations among the methods.
中文: 摘要讨论了4种确定气井无阻流量方法的理论依据和实际意义，计算精度与应用条件，优点与不足，不同方法之间的内在联系。
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英文: Gas well productivity is important is an important method for determination of ripen flow potential and working system, prediction of prediction performance and study of related gas reservoir engineering.
中文: 摘要气井产能评价是确定无阻流量和工作制度、预测生产动态及其它气藏工程研究的重要手段。
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英文: The case study indicates that such a method is more reliable than before, and provides more precise bases for further open flow potential estimation and proration measures implementation.
中文: 应用实例证明了新方法是比较可靠的，为以后计算气井无阻流量和开采配产作业提供了准确的依据。
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英文: This paper deduced the relationship between α and other related parameters using data from single-point test in non-steady state, by which the accurate open flow potential of gas well is then gained for its proper value of α.
中文: 针对上述问题，充分利用了一点法测试不稳定阶段的数据，在理论上推导出了α与有关参数的关系式，利用这个关系式能计算出α的准确值，从而得出气井准确的无阻流量。
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英文: When processing of data from single-point test, the value of α is generally taken by 0.25 for calculating the open flow potential of gas well, and the result is far from that from modified isochronal test.
中文: 摘要目前，在处理一点法试井资料时，取函数α为定值0.25来计算气井的无阻流量，其结果与修正等时试井有很大的偏差。
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