Systems, arrangements and associated methods for tracking and/or
Telemetry method for cable-drilled boreholes and method for carr
Three-dimensional steering tool for controlled downhole...
Three-dimensional steering tool for controlled downhole...
Three-dimensional steering tool for controlled downhole...
Through-drill string conveyed logging system
Tiltable coupling
Time recorder for in-hole motors
Torque limiting tool
Tubing-conveyed external gauge carriers
Two solenoid guide system for horizontal boreholes
Two solenoid guide system for horizontal boreholes
Unattended ground sensor assembly
Underground directional drilling steering tool
Underreamer having cutter arm position indication
Using fluids at elevated temperatures to increase fracture...
Valve for drilling fluid telemetry systems
Vertical positioning system for drilling boreholes
Visual probes and methods for placing visual probes into...
Wedging assembly for borehole steering or branching