Stainless steel screw pump outlet pressure constant

indicator determination coefficient of stainless steel screw pump with percentage, application of integrated data acquisition system can obtain motor power and indicator data at the same time. Indicator diagram is one of the main use of stainless steel screw pump is confirmed how to run and analyze the downhole problems. Application to produce liquid level measurement combined with indicator diagram can know well whether to produce with large production, liquid column height is higher than that of imported stainless steel screw pump suction depth, stainless steel screw pump is not completely full and free gas is upward along the casing annulus migration.

insist on constant outlet pressure

screw stainless steel screw pump is a kind of positive displacement reverse stainless steel screw pump, when after the outlet obstruction, pressure will gradually rise, so beyond the pressure value of the booking. The motor load increases sharply at the moment. Mechanical drive related components of the load will be beyond planning values, severe fracture happens when the motor is burnt, transmission parts. In order to avoid the screw of stainless steel screw water pump is damaged, usually in the screw stainless steel screw pump outlet bypass relief valve installation, to stable outlet pressure, adhere to the normal work of the stainless steel screw pump.

stainless steel screw pump diagnosis low efficiency Wells. Diagnosis method is to determine the total power of pumping system, the power of prime mover and only measurement to determine the total power input, the determination of bottom hole pressure and precise production test data. The total power of the general beam pumping system should be around 50%, if less than this should improve its performance. Increase the total power of technology including power (adhere to the high volume The standard of the stainless steel screw water pump and the shaft injection matching, and eliminate the gas, used to control or timer control pumping) And change faced big motor.

underground gas separation. Invalid stainless steel screw pump work is trouble caused by gas, often through acoustic liquid level measurement and indicator diagram for diagnosis. Good is puts imported stainless steel screw pump suction fluid into the layer below, if placed above the gas separation device should be used. If the seat sub arrangement in fluid into the layer section at the bottom of the following at least 10 ft, effective gas separation can occur in the ring air, plays a role of external separation device of the casing at the moment. But well conditions often cannot be promised stainless steel screw pump in a fluid into the layer below, consider using underground gas separation device. Conventional gas separation by fluid into the parts ( Such as perforating nipple) , the outer cylinder ( Such as the bottom of the fuel pipe plug) The sealing liquid tubes and stainless steel at the bottom of the screw pump.

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