Orientation tool

Details Orientation tool Orientation tool

2006-05-05

2008-12-23

Bomar, Shane (Department: 3676)

Boring or penetrating the earth

Processes

Boring curved or redirected bores

C175S045000, C175S073000, C175S106000

Reexamination Certificate

active

07467672

ABSTRACT:
An orienting apparatus including at least one housing element configured to couple with a drill string; an actuator disposed inside the at least one housing element; a nozzle coupled to the actuator; a torque generator coupled to the actuator and extending axially downward through the at least one housing, wherein the torque generator is configured to rotate in a first direction as it moves downward; a mandrel coupled to the torque generator; and a stroke adjuster at least partially disposed in an upper end of the mandrel, wherein rotation in the first direction is caused by an increase in differential pressure is disclosed.

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Combined Search and Examination Report dated Aug. 10, 2007 for Application No. GB0708515.2.

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