Blowout preventers and methods of use

Details Blowout preventers and methods of use Blowout preventers and methods of use

2008-05-05

2010-10-19

Bomar, Shane (Department: 3676)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055000, C083S694000

Reexamination Certificate

active

07814979

ABSTRACT:
Methods and apparatuses for severing a wellbore tubular, the apparatus, in certain aspects, including: a first member movable toward a tubular to be severed; a second member with a second blade disposed opposite to the first member and movable toward the tubular; a first blade on the first member having a projection projecting from a center of a blade body with point structure on the projection for puncturing the tubular and cutting surfaces on the projection for cutting the tubular; and cutting surfaces, as needed, on the blade body adjacent the projection for cutting the tubular.

REFERENCES:
patent: 2304793 (1942-12-01), Bodine, Jr.
patent: 2592197 (1952-04-01), Schweitzer
patent: 3040611 (1962-06-01), Tournaire
patent: 3554278 (1971-01-01), Reistle, III, et al.
patent: 3554480 (1971-01-01), Rowe
patent: 3647174 (1972-03-01), Lerouax
patent: 3670761 (1972-06-01), Lerouax
patent: 3716068 (1973-02-01), Addison
patent: 3766979 (1973-10-01), Petrick
patent: 3863667 (1975-02-01), Ward
patent: 3918478 (1975-11-01), Lerouax
patent: 3955622 (1976-05-01), James
patent: 4043389 (1977-08-01), Lobb
patent: 4119115 (1978-10-01), Carruthers
patent: 4132265 (1979-01-01), Williams, Jr.
patent: 4215749 (1980-08-01), Dare et al.
patent: 4253638 (1981-03-01), Troxell, Jr.
patent: 4341264 (1982-07-01), Cox et al.
patent: 4372527 (1983-02-01), Rosenhauch et al.
patent: 4437643 (1984-03-01), Brakhage, Jr. et al.
patent: 4504037 (1985-03-01), Beam et al.
patent: 4516598 (1985-05-01), Stupak
patent: 4518144 (1985-05-01), Vicic et al.
patent: 4537250 (1985-08-01), Troxell, Jr.
patent: 4540046 (1985-09-01), Granger et al.
patent: 4550895 (1985-11-01), Shaffer
patent: 4558842 (1985-12-01), Peil et al.
patent: 4699350 (1987-10-01), Herve
patent: 4923005 (1990-05-01), Laky et al.
patent: 4969390 (1990-11-01), Williams, II
patent: 5013005 (1991-05-01), Nance
patent: 5217073 (1993-06-01), Bruns
patent: 5360061 (1994-11-01), Womble
patent: 5400857 (1995-03-01), Whitby et al.
patent: 5505426 (1996-04-01), Whitby et al.
patent: 5515916 (1996-05-01), Haley
patent: 5575451 (1996-11-01), Colvin et al.
patent: 5897074 (1999-04-01), Brugman et al.
patent: 6158505 (2000-12-01), Araujo
patent: 6173770 (2001-01-01), Morrill
patent: 6510897 (2003-01-01), Hemphill
patent: 6834721 (2004-12-01), Suro
patent: 6843463 (2005-01-01), McWhorter et al.
patent: 6969042 (2005-11-01), Gaydos
patent: 7044430 (2006-05-01), Brugman et al.
patent: 7051990 (2006-05-01), Springett et al.
patent: 7207382 (2007-04-01), Schaeper
patent: 7354026 (2008-04-01), Urrutia
patent: 7367396 (2008-05-01), Springett et al.
patent: 7410003 (2008-08-01), Ravensbergen
patent: 2006/0137827 (2006-06-01), Uneyama et al.
Shear Ram Capabilities Study: West Engineering Services: pages Cover to 4-7 (23 pages); Sep. 2004.
Land & Marine Drilling; Cameron Iron Works Oil Tool division; pages Cover. 1604. 1617. 1621: 1982-1983.
Varco's NXT Next Generation BOP Systems reduce the cost of Drilling: Varco: 6 pages: 2001.

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