Steering device for downhole tools

Steering tool

Straight/directional drilling device

Surface adjustable adjustable bent housing

Surface control bent sub for directional drilling of petroleum w

System and method for directional drilling utilizing clutch...

System and stabilizer apparatus for inhibiting helical stack-out

Systems and methods for reducing backward whirling while...

Three dimensional steerable system

Three dimensional steerable system and method for steering...

Thrust actuated drill guidance device

Tool for drilling curved sections of well holes

Underground boring apparatus with controlled steering capabiliti

Vertical direction adjustment tool for downhole drilling...

Well deviation control tool

Well drilling tool

Well orienting tool and method of use

Well orienting tool and/or thruster