Orientatable adjustable bent housing

Orientatable adjustable bent sub

Oriented drilling tool

Orienting tool for coiled tubing drilling

Packerfoot with bladder assembly having reduced likelihood...

Piston actuator assembly for an orienting device

Pneumatic hammer drilling assembly for use in directional...

Portable earth boring machine with steering head

Pressure equalized stabilizer apparatus for drill string

Reaming apparatus and method with enhanced stability and transit

Reaming apparatus and method with enhanced stability and transit

Regulator of angle and reactive moment of a gerotor type...

Remote controlled actuation device

Rotary drill bit

Rotary drill bit

Rotary drilling device comprising means for adjusting the azimut

Rotary steerable drilling tool

Self-controlling drill rod

Self-stabilizing drilling tool

Shape memory alloy actuated steerable drilling tool