Wells – Processes – Parallel string or multiple completion well
Reexamination Certificate
2005-07-12
2005-07-12
Dang, Hoang (Department: 3672)
Wells
Processes
Parallel string or multiple completion well
C166S050000, C166S117600, C166S207000
Reexamination Certificate
active
06915855
ABSTRACT:
An expanding wellbore junction system, apparatus and methods are provided for forming a sealed wellbore intersection in a subterranean well. In one described method, an expandable wellbore junction is expanded within an under-reamed cavity in a wellbore. Intersecting tubular legs of the wellbore junction are then drifted using a drifting apparatus. A deflection device may be used to direct a drift of the drifting apparatus into a selected one of the wellbore junction legs.
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Tri-State General Catalog Front Cover, Index p. 2, p. 52; dated 1980-81.
Bailey Ernest C.
McGlothen Jody R.
Steele David J.
Dang Hoang
Halliburton Energy Service,s Inc.
Smith Marlin R.
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