Metal fusion bonding – Explosive welding means
Reexamination Certificate
2005-10-11
2005-10-11
Edmondson, Lynne R. (Department: 1725)
Metal fusion bonding
Explosive welding means
C228S107000, C228S108000, C228S109000, C166S379000, C166S380000
Reexamination Certificate
active
06953141
ABSTRACT:
Embodiments of the present invention generally relate to methods and apparatus of connecting wellbore tubulars by explosive welding, using a frangible anvil, and reforming a surface of wellbore tubulars at a connection. In one embodiment, a first tubular is aligned proximate a second tubular such that an inside diameter of the first tubular and an outside diameter of the second tubular form an annular space, a frangible anvil is disposed in a bore defined by the tubulars, and an explosive charge placed around the outside surface of the first tubular is detonated. In another embodiment, tubulars are aligned, connected by explosive welding, and then reformed at the connection.
REFERENCES:
patent: 3263323 (1966-08-01), Maher et al.
patent: 3720069 (1973-03-01), Lockridge
patent: 3893222 (1975-07-01), Ballinger
patent: 3955741 (1976-05-01), Hofer
patent: 3985279 (1976-10-01), Wilson et al.
patent: 3987952 (1976-10-01), Wittman et al.
patent: 4003513 (1977-01-01), Chadwick
patent: 4046301 (1977-09-01), Wittman et al.
patent: 4062570 (1977-12-01), Wilson et al.
patent: 4160464 (1979-07-01), Ballinger
patent: 4228941 (1980-10-01), Persson
patent: 4248373 (1981-02-01), Linse et al.
patent: 4632292 (1986-12-01), Gnyra
patent: 4641775 (1987-02-01), Lande et al.
patent: 4662450 (1987-05-01), Haugen
patent: 4669649 (1987-06-01), Persson
patent: 4746150 (1988-05-01), Persson et al.
patent: 4756465 (1988-07-01), Pranch et al.
patent: 4981250 (1991-01-01), Persson
patent: 6533040 (2003-03-01), Gondouin
patent: 2004/0045717 (2004-03-01), Haugen et al.
patent: 1 220 171 (1971-01-01), None
patent: 1 437 944 (1976-06-01), None
U.K. Official Preliminary Examination and Search Report, Application No. GB 0324842.4, dated Feb. 17, 2004.
Edmondson Lynne R.
Moser, Patterson & Sheridan L.L.P.
Weatherford / Lamb, Inc.
LandOfFree
Joining of tubulars through the use of explosives does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Joining of tubulars through the use of explosives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joining of tubulars through the use of explosives will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3435887