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The sucker rod drives the plunger upward, reducing the pressure inside the pump barrel, opening the fixed valve, and allowing crude oil to enter the pump barrel; At the same time, the floating valve is closed to prevent liquid backflow in the pump.
The sucker rod drives the plunger upward, reducing the pressure inside the pump barrel, opening the fixed valve, and allowing crude oil to enter the pump barrel; At the same time, the floating valve is closed to prevent liquid backflow in the pump.
The sucker rod drives the plunger upward, reducing the pressure inside the pump barrel, opening the fixed valve, and allowing crude oil to enter the pump barrel; At the same time, the floating valve is closed to prevent liquid backflow in the pump.
The sucker rod drives the plunger upward, reducing the pressure inside the pump barrel, opening the fixed valve, and allowing crude oil to enter the pump barrel; At the same time, the floating valve is closed to prevent liquid backflow in the pump.
Features: After the pump barrel is connected to the oil pipe, it is lowered into the well, and the piston is lowered into the pump barrel through the pumping rod.