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

Method for releasing stuck drill pipe

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

Method for releasing stuck drill pipe

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

Method for releasing stuck drill string

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

Method for removing gravel pack screens

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

Method of and apparatus for removing stuck well pipe

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

Method of drilling around an existing casing pipe to regenerate

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

Method of freeing stuck drill string using spotting fluid

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

Method of releasing stuck pipe or tools and spotting fluids ther

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

Method of removing conduit from curved borehole

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

Method of retrieving a downhole tool utilizing non-rotational wo

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

Method of using a drill string tool

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

Methods and apparatus to control downhole tools

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

Methods of using reverse circulating tool in a well borehole