Daqing developed a successful domestic pumping minimum pumping unit

Daqing Oilfield Equipment Manufacturing Group has developed the lowest domestic pumping unit and has been put into use in Daqing Oilfield.
Daqing Oilfield Equipment Manufacturing Group is the largest pumping unit manufacturer in Asia. They have successfully developed a large transmission ratio three-stage deceleration and low-pressure pumping unit, which has reached 1.5 strokes per minute. Oil machine.

The pumping unit used in the oil field is now more than 4 times. The so-called "rushing" is the number of times the sucker rod reciprocates up and down every minute. Oil wells with high output, like the pumping unit with the second highest. Because the amount of liquid produced is large, the number of times can not keep up with the rush, which is the "small horse-drawn cart", which affects the output. However, if the pumping unit of the low-yield well cannot be lowered, it is a “big horse-drawn car”, and air pumping often occurs, and the efficiency of the pumping unit will decrease.

At present, there are many low-yield wells in domestic oil fields, and there are nearly 2,000 in Daqing Oilfield. In the past, some oil producers adopted some methods of reducing the number of strokes by using variable frequency motors, but such motors have high cost and high energy consumption.

This time, Daqing Oilfield Equipment Manufacturing Group scientific and technical personnel overcome the difficulties and make a fuss about the reducer. After a year of repeated research and experimentation, it finally succeeded and was put into mass production at the beginning of this year. Many oil production plants are now eyeing low-pressure pumping units.


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