After Shengyu Oilfield entered the extra high water cut period, the eccentric wear of the rod pipe has become the main factor to shorten the maintenance period of the rod pump well in the oil production plant. In recent years, the number of working wells caused by broken rods and tube leaks has remained high, and the number of short-lived wells in 90 days has been increasing year by year.
In response to this problem, the research on the eccentric wear mechanism of the Shengcai process has taken the anti-wear coupling, anti-wear pair, feedback pump and other partial wear control measures, and the overall application effect is still not good. The lining HDPE tubing has the characteristics of low friction coefficient, strong corrosion resistance and high wear resistance compared with ordinary tubing. It is to lining the HDPE pipe through the special process in the oil pipe. Therefore, the inner diameter of the HDPE pipe is much smaller than that of the ordinary pipe. The supporting technology can not meet the process matching of the HDPE pipe. In this regard, the process technicians completed the process matching of HDPE tubing, screw pump and rod pump through research and research, designed a special disconnector and oil drainer to meet the matching needs of HDPE tubing. Since November last year, the lining HDPE tubing has been promoted in 46 wells in the Shengcai Plant, including 35 screw pump wells and 11 rod pump wells. The overall application effect is good. No one well operation, no maintenance period Also extended.
At present, HDPE lining tubing oil recovery technology has become the leading process for the eccentricity of the win mining plant.
In response to this problem, the research on the eccentric wear mechanism of the Shengcai process has taken the anti-wear coupling, anti-wear pair, feedback pump and other partial wear control measures, and the overall application effect is still not good. The lining HDPE tubing has the characteristics of low friction coefficient, strong corrosion resistance and high wear resistance compared with ordinary tubing. It is to lining the HDPE pipe through the special process in the oil pipe. Therefore, the inner diameter of the HDPE pipe is much smaller than that of the ordinary pipe. The supporting technology can not meet the process matching of the HDPE pipe. In this regard, the process technicians completed the process matching of HDPE tubing, screw pump and rod pump through research and research, designed a special disconnector and oil drainer to meet the matching needs of HDPE tubing. Since November last year, the lining HDPE tubing has been promoted in 46 wells in the Shengcai Plant, including 35 screw pump wells and 11 rod pump wells. The overall application effect is good. No one well operation, no maintenance period Also extended.
At present, HDPE lining tubing oil recovery technology has become the leading process for the eccentricity of the win mining plant.
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