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< Natural Gas and Oil > Editorial Department
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China Petroleum Engineering & Construction Corporation
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Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
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610041
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2012 Vol.6

    Complete Digital Control Technology for Oil Pumping Unit
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    Author's Workplace：
    Key Words： Oil pumping unit； Control technique； Energy conservation； Digital management
    Abstract： In order to implement digital management and energy-saving production， automation and digitization reformation on oil pumping unit has been conducted in Changqing Oilfield. Digital control technology of oil pumping unit combines oil well monitoring technology and variable frequency control technology together， applied are real-time data acquisition and transmission of load， displacement and electric parameters and used are frequency converter and balance motor to make oil pumping unit’s stroke and balance always in the best state. Station control system monitors operating conditions of pumping unit， sends automatic alarm signals in case of such failures as rod breaking or sticking and motor phase and carries out remote start/stop control of oil pumping unit. Successful application of digital control technology improves production efficiency， saves energy， reduces the labor intensity of employees and reduces potential safety hazards. Digital control technology of oil pumping unit is an important change of field operations from traditional artificial method into automatic and digital management.
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