Tractor system

Details Tractor system Tractor system

1999-05-25

2000-07-18

Tsay, Frank

Wells

Processes

Placing or shifting well part

166206, 175 99, E21B 2300

Patent

active

060893230

ABSTRACT:
A tractor system has been invented which, in certain embodiments, includes a body connected to the item, first setting means on the body for selectively and releasably anchoring the system in a bore, first movement means having a top and a bottom, the first movement means on the body for moving the body and the item, the first movement means having a first power stroke, and the tractor system for moving the item through the bore at a speed of at least 10 feet per minute.

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