Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent
1993-12-13
1995-03-07
Britts, Ramon S.
Boring or penetrating the earth
Processes
Boring curved or redirected bores
175 26, 175 45, 175 74, E21B 708
Patent
active
053949510
ABSTRACT:
A bottom hole drilling assembly connectable to coiled tubing comprises a downhole motor to rotate a drill bit, articulated sub for causing the drill bit to drill a curved bore hole when a second portion thereof is bent from coaxial orientation with a first portion, steering tool for indicating the attitude of the bore hole, thruster for providing force to advance the drill bit, and orientating tool for rotating the thruster relative to the coiled tubing to control the path of the bore hole.
REFERENCES:
patent: 2548616 (1951-04-01), Priestman et al.
patent: 3225843 (1965-12-01), Ortloff et al.
patent: 3872932 (1975-03-01), Gosselin
patent: 4067404 (1978-01-01), Crase
patent: 4431068 (1984-02-01), Dellinger et al.
patent: 4463814 (1984-08-01), Horstmeyer et al.
patent: 4667751 (1987-05-01), Ceczy et al.
patent: 4854397 (1989-08-01), Warren et al.
patent: 4991668 (1991-02-01), Rehm et al.
patent: 5186264 (1993-02-01), Chaffaut
patent: 5215151 (1993-06-01), Smith et al.
patent: 5220963 (1993-06-01), Patton
patent: 5265682 (1993-11-01), Russell et al.
patent: 5269383 (1993-12-01), Forrest
patent: 5311952 (1994-05-01), Eddison et al.
Herben et al., "Coring to 50,000 feet with Coiled Tubing", Jan. 1991, ASME.
Moore Brian K.
Morris Arthur J.
Pringle Ronald E.
Britts Ramon S.
Camco International Inc.
Tsay Frank S.
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