DEVICE FOR RECOVERING OIL FROM HORIZONTAL WELLS Russian patent published in 1998 - IPC

Abstract RU 2102583 C1

FIELD: oil production industry. SUBSTANCE: this ensures oil recovery from horizontal wells with low bed pressure and low level of liquid in well. Device has pumping-out unit which can be lowered into horizontal part of well. Body of device is made of flexible material and is provided with rope for its lowering into well. Body is provided with non-return valve, settler pipe and pusher pipe. Pumping-out unit is housed in body of outer diameter close to diameter of well. Length of body is equal to length of horizontal part of well and it can float in liquid which fills horizontal part of well. EFFECT: high efficiency. 2 cl, 2 dwg

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RU 2 102 583 C1

Authors

Chesnokov V.A.

Chesnokova I.V.

Dates

1998-01-20Published

1995-12-01Filed