Traction control for downhole tractor

Details Traction control for downhole tractor Traction control for downhole tractor

2006-12-05

2006-12-05

Thompson, Kenneth (Department: 3672)

Boring or penetrating the earth

Automatic control

C175S061000, C175S094000, C175S099000

Reexamination Certificate

active

07143843

ABSTRACT:
Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole.

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patent: 6089323 (2000-07-01), Newman et al.
patent: 6179055 (2001-01-01), Sallwasser et al.
patent: 6387009 (2002-05-01), Haka
patent: 6445337 (2002-09-01), Reiche
patent: 197 18 515 (1998-03-01), None

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