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

Downhole tool

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

Downward energized motion jars

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

Drilling jar for use in a downhole network

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

Drilling tool

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

Dual sensor freepoint tool

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

Expandable wirefinder and method for use of same

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

Fluid driven screw type sonic oscillator-amplifier system for us

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

Fluid for releasing stuck drill pipe

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

Hydraulic jar device

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

Hydraulic-mechanical jar tool

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

Hydraulically driven fishing jars

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

Hydro-recocking down jar mechanism

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

Internal release connector and method

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

Internal release connector and method

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

Jar apparatus and method of jarring

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

Jar with adjustable preload

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

Jar with adjustable trigger load

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

Jarring method and apparatus for well bore drilling

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

Jarring system and method for use with an electric line