METHOD FOR EXTRACTING ELECTRIC ENGINE FROM WELL Russian patent published in 2005 - IPC

Abstract RU 2250348 C2

FIELD: oil industry.

SUBSTANCE: method includes cutting upper portion of electric engine on outer side, catching and raising upper portion of engine with current input, lowering device for catching shaft, catching and raising shaft with rotor, lowering pipe catcher, performing catch and raising of stator, following cutting of electric engine body and removal of engine remains from the well.

EFFECT: lower costs.

2 cl, 3 dwg

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RU 2 250 348 C2

Authors

Drokov V.F.

Grishin V.P.

Lubjako Pavel Vladimirovich

Bul'Ba V.A.

Tropin Eh.Ju.

Dates

2005-04-20Published

2002-03-22Filed