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抽油机井口密封装置所消耗的密封功率虽然只占抽油机所消耗总功率的一少部分，但是随着密封装置结构型式、密封材料、润滑条件和填料压盖加载力的不同而有较大差别。为使井口密封装置降低功率消耗，提高效率，进而提高抽油机系统效率，本研究采用不同密封材料、不同润滑条件在实验室和试验井上对井口密封装置密封功率进行了测试，计算了效率，并对进一步合理使用井口密封装置提出了建议。
Although the sealing power consumed by the well head sealing device of the pumping unit only accounts for a small part of the total power consumed by the pumping unit, it varies with the structural type of the sealing device, the sealing material, the lubricating conditions and the loading force of the packing gland Big difference. In order to reduce the power consumption and improve the efficiency of the wellhead sealing device and further improve the efficiency of the pumping unit system, the sealing power of the wellhead sealing device was tested in different laboratories and test wells using different sealing materials and different lubrication conditions. The efficiency, And put forward suggestions for further rational use of wellhead seal.