CNOOC News: (Correspondent Huang Haitao) Fourth Oil Production Plant, Daqing Oilfield No.4 oil miner installed in the apricot 4-2-705 well without the reducer directly driven screw pump safe and stable operation of the current year, marking the screw pump technology test success. In order to solve the problems that the oil pump jacking method has the problems of low transmission efficiency of ground drive, high cost of damage and maintenance of reducer, and hidden trouble of transmission, the No.4 No.4 oilfield in No.4 Oilfield was tested in Xing 4-2-705 well at the beginning of 2006, Application No reducer direct drive screw pump. Experiments show that this pump has a significant energy saving effect, on-site operation is simple and convenient. Motor under the control of the driver to work, you can automatically soft-start, soft stop, electromagnetic brake and other functions. At the same time, the safety performance is greatly improved. The direct drive screw pump cancels the mechanical reducer and the belt of the ground driving device, reduces the transmission device and reduces the ground failure rate.
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