Temporary abandonment cap

Wells – Above ground apparatus – Cap or head pivotably attached to tube or casing

Reexamination Certificate

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Details

C166S075130

Reexamination Certificate

active

06845815

ABSTRACT:
A temporary abandonment cap includes a body, a pressure-retaining top portion extending across the body and a plurality of locking pins coupled to the body and a single moveable handle, the locking pins being adapted to be moved from an engaged position to a disengaged position by movement of the single handle. The temporary abandonment cap is lightweight, reusable, and can be placed on and retrieved from an open pipe of a subsea well.

REFERENCES:
patent: 4405016 (1983-09-01), Best
patent: 4423983 (1984-01-01), Dadiras et al.
patent: 4544036 (1985-10-01), Saliger
patent: 4881597 (1989-11-01), Hensley
patent: 5107931 (1992-04-01), Valka et al.
patent: 5992526 (1999-11-01), Cunningham et al.
patent: 6494257 (2002-12-01), Bartlett et al.
patent: 6494266 (2002-12-01), Rogala et al.
patent: 20020000322 (2002-01-01), Bartlett et al.
patent: 20020088622 (2002-07-01), Beall et al.
patent: 2 330 160 (1999-04-01), None
patent: WO 9516102 (1995-06-01), None
patent: WO 9928593 (1999-06-01), None
International Search report (PCT/US03/01446), May 2003.

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