Data line deployment in hydrocarbon wells
Deformable member
Device for assembling jacketed lengths of pipe base well screens
Device for coil tubing operations
Device for collecting oil samples
Device for connecting casings
Device for delivering corrosion or deposition inhibiting agents
Device for handling rods for oil-well drilling
Device for introducing a high pressure fluid into well head...
Device for limiting leakage from well head stuffing box assembly
Device for preventing pipe buckling
Device for remotely actuating the safety lock of individual...
Devices and systems for measurement of position of drilling...
Diffuser for wellhead isolation tool
Diverter flow line seal
Diverter system
Diverter system and blowout preventer
Diverter system and blowout preventer
Dome-type packoff wellhead
Double cylinder system