Programming method for controlling a downhole steering tool

Real-time drilling optimization based on MWD dynamic...

Realtime control of a drilling system using the output from...

Remote control for a drilling machine

Remote lock-out system and method for a horizontal direction...

Remote lock-out system and method for a horizontal...

Rock drilling apparatus

Rock drilling method

Rotary boring machine

Rotary drillstring guidance by feedrate oscillation

Rotary steerable tool including drill string rotation...

Safemode operating system for a drilling or service rig

Self-propelled instrumented deep drilling system

Shock buffer for nuclear control assembly

Soil working method and device

Stalled motor by-pass valve

Steerable burrowing mole

Steerable ground drilling devices

Steering sub for flexible drilling

Subsea wellbore drilling system for reducing bottom hole...