Non-orienting tree cap

Details Non-orienting tree cap Non-orienting tree cap

2007-07-27

2009-11-24

Beach, Thomas A (Department: 3671)

Wells

Submerged well

Connection or disconnection of submerged members remotely...

C166S075130, C166S097100, C166S356000, C166S368000

Reexamination Certificate

active

07621338

ABSTRACT:
A wellhead assembly includes a tree cap having a production mandrel extending down into a production passage of a Christmas tree to form a seal. The tree has an annulus bore and an annular cavity at the upper end of the tree surrounding the upper ends of the production and annulus bore. A communication gallery leads between the annulus bore and the cavity. The tree cap also includes an annular sealing member that enters the cavity for sealing a communication gallery.

REFERENCES:
patent: 4405016 (1983-09-01), Best
patent: 5868204 (1999-02-01), Pritchett et al.
patent: 5992526 (1999-11-01), Cunningham et al.
patent: 6003602 (1999-12-01), Wilkins
patent: 6050339 (2000-04-01), Milberger
patent: 6302212 (2001-10-01), Nobileau
patent: 6474416 (2002-11-01), Beall et al.
patent: 6637514 (2003-10-01), Donald et al.
patent: 6763891 (2004-07-01), Humphrey et al.
patent: 6776230 (2004-08-01), Collie et al.
patent: 6817417 (2004-11-01), Blair et al.
patent: 6966383 (2005-11-01), Milberger et al.
patent: 7325598 (2008-02-01), Bartlett
patent: 2002/0000315 (2002-01-01), Kent et al.
patent: 2002/0088622 (2002-07-01), Beall et al.
patent: 2003/0111228 (2003-06-01), Garrett et al.
patent: 2004/0074636 (2004-04-01), Bartlett et al.
patent: 2004/0216885 (2004-11-01), Bartlett
patent: 2004/0262010 (2004-12-01), Milberger
patent: 2005/0028984 (2005-02-01), Donald et al.
patent: 2008/0087436 (2008-04-01), Baskett
patent: 2008/0190621 (2008-08-01), Huang et al.
patent: 2401887 (2004-11-01), None
patent: WO9928593 (1999-06-01), None
patent: WO2004041455 (2004-05-01), None

Affiliated with

Also associated with

Rating

Non-orienting tree cap does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Non-orienting tree cap, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-orienting tree cap will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4081238