Traction control for downhole tractor

Details Traction control for downhole tractor Traction control for downhole tractor

2007-03-06

2007-03-06

Thompson, Kenneth (Department: 3672)

Boring or penetrating the earth

Automatic control

C175S094000

Reexamination Certificate

active

11335746

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.

REFERENCES:
patent: 6031371 (2000-02-01), Smart
patent: 6273189 (2001-08-01), Gissler et al.
patent: 63-170180 (1987-01-01), None
patent: 6-94626 (1994-06-01), None
patent: WO 03034158 (2003-04-01), None

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