Hydraulic overshot tool without a nozzle, and method of...

Details Hydraulic overshot tool without a nozzle, and method of... Hydraulic overshot tool without a nozzle, and method of...

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 23/04 (2006.01) E21B 31/18 (2006.01)

Patent

CA 2471394

The present invention provides an improved hydraulic overshot tool. The overshot tool mechanically engages a cylindrical body downhole attempting to be retrieved. In the event retrieval is unsuccessful, the overshot tool may be hydraulically released from the cylindrical body. The release function employs a pressure differential within the overshot tool, but without necessity of a nozzle within the bore of the tool.

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