Wells – Processes – Assembling well part
Reexamination Certificate
2006-07-11
2006-07-11
Bagnell, David (Department: 3672)
Wells
Processes
Assembling well part
C313S050000
Reexamination Certificate
active
07073600
ABSTRACT:
A sealed multilateral junction system provides fluid isolation between intersecting wellbores in a subterranean well. In a described embodiment, a method of forming a wellbore junction includes the steps of sealing a tubular string in a branch wellbore to a tubular structure in a parent wellbore. The tubular string may be secured to the tubular structure utilizing a flange which is larger in size than a window formed in the tubular structure. The flange may be sealed to the tubular structure about the window by a metal to metal seal or by adhering the flange to the tubular structure.
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