E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/06 (2006.01) E21B 4/18 (2006.01) E21B 7/06 (2006.01) E21B 7/08 (2006.01) E21B 29/00 (2006.01) E21B 29/02 (2006.01) E21B 41/00 (2006.01)
Patent
CA 2210563
Apparatus and associated methods of using same provide ease of forming an opening through a laterally extending liner to thereby provide access to a portion of a parent wellbore across which the liner extends. In a preferred embodiment, a milling guide has a guide profile formed thereon for directing a cutting tool to contact the liner. The milling guide is cooperatively engageable with an anchor to axially and radially align the guide profile with a portion of the liner which extends across the parent wellbore.
Blizzard William
Durst Douglas
Halford Gene
Longbottom James R.
Pleasants Charles
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Weatherford/lamb Inc.
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