Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent
1993-02-17
1994-08-16
Bagnell, David J.
Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
175229, 175344, E21B 1024, E21B 1028
Patent
active
053378431
ABSTRACT:
A hole opener used in conjunction with drilling in at least one of boulder and rubble stone formations includes first and second sets of cutters. Each of the cutters of the first and second sets of cutters has cutter teeth thereon and further include a shaft. The hole opener also includes a tubular carrier body, a first device for fixing the first set of cutters to the tubular carrier body so that the first set of cutters is positioned in a common first lateral plane with respect to a longitudinal axis of the tubular carrier body, and second device for fixing the second set of cutters to the tubular carrier body so that the second set of cutters is located in a second lateral plane with respect to the longitudinal axis of the tubular carrier body and at an axial distance from the first set of cutters along the longitudinal axis. The first device combined with each of the cutters of the first set of cutters extends a first radial distance from the longitudinal axis, the second device combined with each of the cutters of the second set of cutters extends a second radial distance from the longitudinal axis, and the first radial distance is less than the second radial distance. Each of the shafts of the cutters of the first and second sets of cutters are rotatably and releasably connected to a corresponding one of the first and second devices.
REFERENCES:
patent: 1725299 (1929-08-01), Pickin
patent: 1747908 (1930-02-01), Seifert
patent: 1896231 (1933-02-01), Fletcher
patent: 1909128 (1933-05-01), Scott et al.
patent: 1909994 (1933-05-01), Wright
patent: 2124521 (1938-07-01), Williams et al.
patent: 2174102 (1939-09-01), Catland
patent: 2184108 (1939-12-01), Akeyson
patent: 2790623 (1957-04-01), Pate et al.
patent: 2886292 (1959-05-01), Peterson
patent: 3237705 (1966-03-01), Williams, Jr.
patent: 3244459 (1966-04-01), Ortloff
patent: 3285355 (1966-11-01), Neilson et al.
patent: 3303898 (1967-02-01), Bercaru
patent: 3453755 (1969-07-01), Trudeau
patent: 3529683 (1970-09-01), Mays
patent: 4323131 (1982-04-01), Allee
patent: 4706765 (1987-11-01), Lee et al.
Furre Arnold
Stangeland Kjell-Egil
Torgrimsen Tor
Bagnell David J.
Kverneland Klepp AS
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