Apparatus for actuating an annular piston
Apparatus for cryothermal fracturing of rock formations
Apparatus for securing a measurement-while-drilling (MWD) instru
Coiled tubing operated full opening completion tool system
Device for anchoring a probe in a well by spreading mobile ancho
Device for supporting, raising and lowering duct in deep bore ho
Device provided with retractable arms for the anchoring of an in
Directional drilling azimuth control system
Downhole lock system
Downhole well tool and anchoring assembly
Gripper assembly for downhole tools
Gripper assembly for downhole tools
Gripper assembly for downhole tools
Gripper assembly for downhole tools
Gripper assembly for downhole tractors
Hydraulic holddown for well packer stinger
Hydraulic tool and hydraulic pressure device
Hydraulically actuated lock system
Lockable anchor for insertable progressing cavity pump
Mechanism for anchoring well tool