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Du Tonglin
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Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2013 Vol.6

    New Methods for Abnormal High Pressure Gas Well Water Influx Calculation
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    Key Words：Abnormal high pressure; Gas well; Geological reserve; Water influx; Improved Roach curve
    Abstract：In abnormal high pressure gas reservoir exploitation and development, water invasion may occur often in many gas wells, which will bring about very adverse effect. It is very important to calculate the water influx during design and adjustment of gas reservoir development program. The traditional Roach water influx calculation model may involves a lot of parameters. Based on the traditional calculation model, an improved Roach curve is put forward, which combines the material balance equation with Pot model and quotes cumulative effective compressibility factor. Practical case calculation and analysis show that results obtained by this method are consistent with the actual situation. Therefore, this improved Roach curve method is convenient and intuitive and can obtain accurate results.
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