Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent
1997-08-12
2000-01-11
Suchfield, George
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
166 53, 166 551, 166 557, 166297, E21B 4311, E21B 43114, E21B 43119
Patent
active
060125268
ABSTRACT:
Junctions in multilateral well structures are sealed by employing a variety of degrees of premachined components and a variety of sealing embodiments, including casing segments having premachined windows, side pocket members which are adapted to reside within the string during run in and move laterally to the deployed position, woven members, cement filled ECPs, etc. Also disclosed is a downhole milling device which cuts a window in a casing segment or other material based upon a predetermined geometric pattern imposed upon the cutting tool by an integral template.
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Baugh John L.
Brockman Mark W.
Brown William K.
Forsyth David G.
Gann Christopher L.
Baker Hughes Incorporated
Suchfield George
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