Wells – Above ground apparatus – Suspension means
Reexamination Certificate
2008-01-29
2008-01-29
Thompson, Kenneth (Department: 3672)
Wells
Above ground apparatus
Suspension means
C166S088100, C166S097100, C166S095100, C285S123100
Reexamination Certificate
active
07322407
ABSTRACT:
A wellhead assembly is provided including a casing and a tubular member mounted over the casing. A flange extends from the tubular member. A generally elongated annular member is provided in the tubular member. The generally elongated annular member has a first end portion above the tubular member and second end portion below the first end portion. A seal is formed between the second end portion and the tubular member. A hanger may be suspended within the tubular member. In such case, a seal may be formed between the elongate annular member and the hanger.
REFERENCES:
patent: 2074923 (1937-03-01), Kitchel et al.
patent: 2157964 (1939-05-01), Mueller
patent: 3166125 (1965-01-01), Hubby
patent: 3186488 (1965-06-01), Johnson et al.
patent: 3188118 (1965-06-01), Jones
patent: 3830304 (1974-08-01), Cummins
patent: 3848421 (1974-11-01), O'Brien et al.
patent: 3976093 (1976-08-01), Cornelius
patent: 4111261 (1978-09-01), Oliver
patent: 4116044 (1978-09-01), Garrett
patent: 4241786 (1980-12-01), Bullen
patent: 4552213 (1985-11-01), Boyd et al.
patent: 4657075 (1987-04-01), McLeod
patent: 4690221 (1987-09-01), Ritter, Jr.
patent: 4697828 (1987-10-01), Chou
patent: 4867243 (1989-09-01), Garner et al.
patent: 4991650 (1991-02-01), McLeod
patent: 4993489 (1991-02-01), McLeod
patent: 5060723 (1991-10-01), Sutherland et al.
patent: 5103900 (1992-04-01), McLeod et al.
patent: 5113936 (1992-05-01), Sutherland
patent: 5143158 (1992-09-01), Watkins et al.
patent: 5236037 (1993-08-01), Watkins
patent: 5285852 (1994-02-01), McLeod
patent: 5289882 (1994-03-01), Moore
patent: 5372202 (1994-12-01), Dallas
patent: 5490565 (1996-02-01), Baker
patent: 5540282 (1996-07-01), Dallas
patent: 5605194 (1997-02-01), Smith
patent: 5735344 (1998-04-01), Duncan
patent: 5785121 (1998-07-01), Dallas
patent: 5819851 (1998-10-01), Dallas
patent: 5927403 (1999-07-01), Dallas
patent: 5975211 (1999-11-01), Harris
patent: 6039120 (2000-03-01), Wilkins et al.
patent: 6092596 (2000-07-01), Van Bilderbeek
patent: 6179053 (2001-01-01), Dallas
patent: 6196323 (2001-03-01), Moksvold
patent: 6199914 (2001-03-01), Duhn
patent: 6220363 (2001-04-01), Dallas
patent: 6260624 (2001-07-01), Pallini, Jr. et al.
patent: 6289993 (2001-09-01), Dallas
patent: 6360822 (2002-03-01), Robertson
patent: 6364024 (2002-04-01), Dallas
patent: 6516861 (2003-02-01), Allen
patent: 6688386 (2004-02-01), Cornelssen et al.
patent: 6712147 (2004-03-01), Dallas
patent: 2002/0062964 (2002-05-01), Allen
patent: 2002/0100592 (2002-08-01), Garrett et al.
patent: 2002/0117298 (2002-08-01), Wong et al.
patent: 2002/0125005 (2002-09-01), Eslinger et al.
patent: 2002/0185276 (2002-12-01), Muller et al.
patent: 2002/0195248 (2002-12-01), Ingram et al.
patent: 2003/0000693 (2003-01-01), Couren et al.
patent: 2003/0019628 (2003-01-01), Ravensbergen et al.
patent: 2003/0024709 (2003-02-01), Cuppen
Guardian, Casing & Tree Savers, 2000, 3 pages.
ARP/IRP's on-line, 4 pages.
Cameron, Full Bore Time Saving Wellhead Installation Procedure, Surface Wellhead Proposals Publication RP-830, Jun. 19, 2003, Rev. 1, pp. 1-37.
Cooper Oil Tool, W-K-M Wellhead Equipment Catalog 86, article entitled “W-K-M Metal-to-Metal Sealing Tubing Hangers”, © 1994 Cooper Industries, Houston, Texas.
Duhn Rex E.
Meek Robert K.
Christie Parker & Hale LLP
Duhn Oil Tool, Inc.
Thompson Kenneth
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