At present, the pump setting depth of machine wells in Tahe Oilfield is universally too deep as the reservoir is buried deep, viscosity of heavy oil is high, and the producing energy weakened. This will increase the input of sucker rod, oil tube material and lead to enlarge suspension point load of pumping unit mule head and energy consumption. According to the problems, on the basis of the regularity of distribution of wellbore pressure field, viscosity field, temperature field, this paper puts forward a new matching lifting technology: moving down the point of blending and picking up the pump setting depth. Moving down the point of blending can reduce the producing energy loss and enforce the crude oil’s fluidity in the wellbore, and picking up the pump depth can reduce the cost and energy consumption, Field test shows that after the new type matching lifting technology implement, test wells are normal in operation. The pump setting depth is partly picked up and pumping unit load decreases. The single well saves thin oil by more than 10%.


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    Title :

    Study for Optimization of Pump Setting Depth in Tahe Heavy Oil Field


    Contributors:
    Huang, Zhi-qiang (author) / Ma, Ya-Chao (author) / Li, Qin (author) / Liu, Li-yan (author) / Qiu, Cheng-Song (author) / Zhao, Pu-Chun (author) / Jin, Yong-Hong (author) / Chen, Hua-Qiang (author)


    Publication date :

    2012


    Size :

    5 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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