Layered oil pump
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- 产品描述
-
The upper and lower pump will work at the same time, the upper pump will work using the annular space formed by the diameter difference between upper plunger and lower plunger. The upper oil enter into the annular space via eccentric valve, and then exhaust by the diverter valve. The lower oil, which enter into the pump barrel through the inlet valve of lower pump, and then exhaust through outlet valve of the lower pump, will discharge to the ground after the diverter valve mixed with the upper oil.
The pump is widely used for swabbing crude oil from multiple zone, which can greatly improve the single well production and oil recovery efficiency and reduce the production cost, has high comprehensive economic benefits.
Pump bore
（mm）
Size of connecting
Tubing
（in）
Range of
Stroke
（m）
Conversion diameter
（mm）
Pump constant
Size of connecting sucker rod
Max outside diameter
（mm）
57/38
2 7/8 TBG
41.2
1.919
CYG19
116
70/38
3 TBG
58.8
3.908
CYG22
150
70/44
3TBG
1.2～6.0
54.4
3.345
CYG22
150
83/44
3 1/2 TBG
70.4
5.602
CYG25
150
83/57
3 1/2 TBG
61.3
4.248
CYG25
150
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Layered oil pump
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