Boring or penetrating the earth
With tool shaft detail
Shaft carried guide or protector
Inventor
active
Actuating device associated with a drill string and comprising a
Centering device that can be engaged or disengaged, specifically
Device and method for controlling the trajectory of a wellbore
Device for remote actuating equipment comprising delay means
Remote control method and device for actuating an equipment-appl
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Profile ID: LFUS-PAI-P-10562