Oil tool coupling device
One trip milling system
Overshot cutter with flexible release cage
Packer and actuation portion of tubing conveyed completion syste
Perforating apparatus for circulating cement
Perforating gun
Perforating gun automatic release mechanism
Perforating gun with auger
Perforating gun with auger
Perforation gun for well casing
Permanent completion tubing conveyed perforating system
Pipe cutting apparatus
Pipe shearing ram assembly for blowout preventer
Pipe shearing ram assembly for blowout preventer
Pipe shearing ram assembly for blowout preventer
Pressure-activated well perforating apparatus
Pump apparatus including a firing head for use with a perforatin
Ram type blowout preventers
Ram-shear and slip device for well pipe
Ram-type blowout preventer