Steering tool

Details Steering tool Steering tool

2006-04-07

2008-08-19

Thompson, Kenneth (Department: 3672)

Boring or penetrating the earth

Means traveling with tool to constrain tool to bore along...

Axially spaced opposed bore wall engaging guides

C175S073000, C175S320000

Reexamination Certificate

active

07413034

ABSTRACT:
A steering tool for use in drilling a borehole, including a tubular housing, a tool actuating device movably supported within the housing, a plurality of hydraulically actuated steering devices circumferentially spaced about the housing, and a hydraulic control system interposed between the tool actuating device and the steering devices for converting an actuating movement of the tool actuating device to independent actuation of the steering devices.

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