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

Mechanical down jar mechanism

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

Method and apparatus for backing off a tubular member from a...

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

Method and apparatus for downhole fishing operations

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

Method and apparatus for engaging an object

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

Method and apparatus for jarring

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

Method and apparatus for jarring

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

Method and apparatus for releasing a drill string held by differ

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

Method and apparatus for removing stuck portions of a drill stri

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

Method and apparatus for retrieving an object from a well bore

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

Method and apparatus for retrieving equipment from a well

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

Method and apparatus for retrieving wire line from a well bore

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

Method and apparatus for sonically extracting oil well liners

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

Method and apparatus to remove coiled tubing deployed...

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

Method and combination for materials for releasing a stuck pipe

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

Method and combination of materials for releasing a stuck pipe

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

Method and device for facilitating the insertion of a coiled...

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

Method and device to free stuck objects

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

Method for carrying tool on coil tubing with shifting sub

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

Method for improving performance of fishing and drilling...