E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/57
E21B 37/02 (2006.01)
Patent
CA 1081611
WELL BORE CLEANING TOOL Abstract of the Disclosure A well bore cleaning tool adapted for attachment to a casing tubing or drill pipe or the like which is to be run into a well bore for cleaning the well bore during reciprocation and/ or rotation of the pipe, which includes a plurality of collars adapted to be attached in axially spaced apart fashion to the pipe and lengths of cable connected to and extending between each of the collars, wherein the cables spiral about the pipe in a helical fashion and form a plurality of outwardly bowed helical portions to contact the well bore.
309602
Chromalloy American Corporation
Gowling Lafleur Henderson Llp
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