Drill string orienting motor

Details Drill string orienting motor Drill string orienting motor

1995-04-14

1997-10-07

Neuder, William P.

Boring or penetrating the earth

With below-ground tool drive prime mover

With positive connection between tool and support shaft for...

175106, E21B 402

Patent

active

056737645

ABSTRACT:
An orienting motor has an elongated body consisting of a housing end and an arbor end with a swivel arrangement to allow relative rotation of opposite ends for service as a length element of a drill string. The body has a bore to conduct drilling fluid moving in the drill string bore. A sensor in the body responds to commands transmitted from the surface in the form of drilling fluid flow rate manipulations to activate a drilling fluid powered motor to rotate opposite ends of the body, and hence, opposite ends of the attached drill string to change the azimuthal orientation of the lower end of the drill string relative to earth.

REFERENCES:
patent: 5156223 (1992-10-01), Hipp
patent: 5259467 (1993-11-01), Schoeffler
patent: 5297641 (1994-03-01), Falgout, Sr.
patent: 5311952 (1994-05-01), Eddison et al.

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