PLANT FOR OIL RECOVERY Russian patent published in 2002 - IPC

Abstract RU 2182220 C2

FIELD: equipment for oil recovery from wells. SUBSTANCE: plant has drum with hollow shaft, swivel and flexible polymer- metal pipe. Pipe has electrical channel mounted therein and electromagnetic valve. Pipe is flexible for winding on drum. Pipe has run length equaling distance between producing formation and well head. Wellhead has discharge member with bypass for release of gas from annular space. There are also upper and lower seals. Electromagnetic valve is located between them and is open after lifting of pipe. During this time, pipe is empties from oil. EFFECT: higher productivity of labor in process of round trip operations in oil recovery and during performance of repairs and preventive maintenance, safety and reliable protection from negative consequences of gas-oil blowouts. 1 dwg

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RU 2 182 220 C2

Authors

Izosimov A.M.

Papirovskij V.L.

Snarev A.I.

Dates

2002-05-10Published

2000-03-15Filed