Adjustable threaded hanger

Wells – Submerged well – Connection or disconnection of submerged members remotely...

Reexamination Certificate

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Details

C166S345000, C166S338000

Reexamination Certificate

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08006764

ABSTRACT:
An adjustable hanger for retaining in tension casing and tubing extending between a subsea wellhead and a surface wellhead on a platform.

REFERENCES:
patent: 4585369 (1986-04-01), Manesse et al.
patent: 4794988 (1989-01-01), van Bilderbeek
patent: 4938289 (1990-07-01), Van Bilderbeek
patent: 5060724 (1991-10-01), Brammer et al.
patent: RE34071 (1992-09-01), Van Bilderbeek
patent: 5255746 (1993-10-01), Bridges
patent: 5259459 (1993-11-01), Valka
patent: 6234252 (2001-05-01), Pallini et al.
patent: 6666272 (2003-12-01), Singeetham et al.
patent: 2004/0168810 (2004-09-01), Emmerson
patent: 2006/0016604 (2006-01-01), Ford

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