LandOfFree - US Patents - Listing for Wells,Processes,Freeing stuck object, grappling or fishing in well

Wells – Processes – Freeing stuck object – grappling or fishing in well

Percussion tool and method

Wells – Processes – Freeing stuck object – grappling or fishing in well

Pipe joint separation

Wells – Processes – Freeing stuck object – grappling or fishing in well

Plunger conveyed plunger retrieving tool and method of use

Wells – Processes – Freeing stuck object – grappling or fishing in well

Recovery tool

Wells – Processes – Freeing stuck object – grappling or fishing in well

Release tool for coiled tubing

Wells – Processes – Freeing stuck object – grappling or fishing in well

Remotely adjustable fishing jar and method for using same

Wells – Processes – Freeing stuck object – grappling or fishing in well

Removal of tubulars from wells

Wells – Processes – Freeing stuck object – grappling or fishing in well

Resonance tools for use in wellbores

Wells – Processes – Freeing stuck object – grappling or fishing in well

Retrieving tool and method

Wells – Processes – Freeing stuck object – grappling or fishing in well

Retrieving tool for downhole packers utilizing non-rotational wo

Wells – Processes – Freeing stuck object – grappling or fishing in well

Rotary driven retrieval tool for horizontal directional...

Wells – Processes – Freeing stuck object – grappling or fishing in well

Safety joint

Wells – Processes – Freeing stuck object – grappling or fishing in well

Side entry sub well logging apparatus and method

Wells – Processes – Freeing stuck object – grappling or fishing in well

Sonic method and apparatus for freeing a stuck drill string

Wells – Processes – Freeing stuck object – grappling or fishing in well

Subterranean rotation-inducing device and method

Wells – Processes – Freeing stuck object – grappling or fishing in well

Sucker rod back off tool

Wells – Processes – Freeing stuck object – grappling or fishing in well

System and method for unsticking a tool stuck in a wellbore

Wells – Processes – Freeing stuck object – grappling or fishing in well

Technique for preventing deposition products from impeding...

Wells – Processes – Freeing stuck object – grappling or fishing in well

Tension multiplier jar apparatus and method of operation