Method and apparatus for creating a cemented lateral...

Wells – Processes – Assembling well part

Reexamination Certificate

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C166S050000, C166S117500

Reexamination Certificate

active

07104332

ABSTRACT:
An apparatus for creating a cemented lateral junction including a sleeve with a premachined opening and a cover disposed at the sleeve. A release material is disposed at the cover.Further disclosed is a method for constructing a wellbore which includes preparing a sleeve with a premachined window and a cover positioned to occlude the window and a release material at at least a portion of the cover exposed to environment through the window for running in the wellbore. The method may further include installing the sleeve in a wellbore and applying a hardenable agent to an annulus of the wellbore around the sleeve.

REFERENCES:
patent: 5462120 (1995-10-01), Gondouin
patent: 5477925 (1995-12-01), Trahan et al.
patent: 5484017 (1996-01-01), Coon
patent: 5615740 (1997-04-01), Comeau et al.
patent: 6041855 (2000-03-01), Nistor
patent: 2002/0023757 (2002-02-01), George et al.

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