Wireline hydraulic retrieving tool

Details Wireline hydraulic retrieving tool Wireline hydraulic retrieving tool

E - Fixed Constructions

21

B

E21B 31/00 (2006.01) E21B 23/04 (2006.01) E21B 31/12 (2006.01)

Patent

CA 2076499

ABSTRACT In wireline operations, it is known to retrieve objects stuck in a well bore by application of a retrieval force to the object through a wireline and wireline pulling tool attached to the wireline and engaged with the object. The present invention provides a wireline retrieving tool adapted to apply a large retrieving force on an object in a well bore without transmitting the force through the wireline. The retrieving tool is adapted to be lowered into the well bore on the wireline until the pulling tool engages the stuck object. Slips carried on the tool then anchor the tool against the easing of the well bore and a controlled retrieving force generated in the tool by an electric motor and hydraulic pump is applied between the easing and the pulling tool to dislodge the object.

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