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< Natural Gas and Oil > Editorial Department
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China Petroleum Engineering & Construction Corporation
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Overseas Research Center of Research Institute of Petroleum Exploration and Development
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Du Tonglin
Vice Editor in Chief:
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->2015 Vol.1

    Analysis on Causes of Oil Leakage in Block F and Its Prevention Measures
    Author of the article:Han Liang, Mao Xiangtao, Feng Aixia, Zhang Lingshan, Wang Gang, Ren Gaofeng, Liu Yazhou
    Author's Workplace：Dingbian Oil Production Plant, Shaanxi Yanchang Petroleum
    Key Words：Leakage phenomenon; Tubing leakage; Pump leakage
    Abstract：With increasing number of oil wells in Block F, well depth and poor wellbore conditions resulted in gradually frequent leakage and repair of oil extraction columns. Only in 2013, frequency of pump troubleshooting and well repair resulted from leakage reached up to 318 times/wells, accordingly, oil well production efficiency decreased and oil production cost increased. Through analytical investigation, leakage reasons are identified, improvement measures are put forward for reasonable combination of tubes and rods, governance of special wells, and oil tube classification, which has prolonged oil pump troubleshooting cycle and provided technical basis for reducing production costs.

     


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