Apparatus and method for retrieving an object from a well bore,
Apparatus and method for unsticking a downhole tool
Apparatus and method of applying force to a stuck object in...
Apparatus and methods for jarring
Backoff sub and method for remotely backing off a target joint
Combination jar and disconnect tool
Combination jar and disconnect tool
Composition and method for relief of differential sticking durin
Devices, systems and methods for equalizing pressure in a...
Double-acting jar compounder
Down hole excitation system for loosening drill pipe stuck in a
Down hole jar tool
Down hole motor assembly and associated method for providing...
Downhole axial force generating tool
Downhole coiled tubing recovery apparatus
Downhole drilling spotting fluid composition and method
Downhole force generator and method for use of same
Downhole impact generator and method for use of same
Downhole impact generator and method for use of same
Downhole jarring tool adjuster