Boring or penetrating the earth – Processes
Patent
1993-02-12
1994-02-15
Bui, Thuy M.
Boring or penetrating the earth
Processes
175428, E21B 1000
Patent
active
052858596
ABSTRACT:
Drill bit cutter structure and means of mounting said cutter structure relative to a drill bit for drilling earth formations is described in which the cutter structure provides diverse rotational orientation of the cutting element about at least one axis relative to the drill bit. The cutter structure generally includes a bearing surface associated with the drill bit, a supporting member articulable with the bearing surface to provide diverse orientation thereof, and a cutting element secured to said supporting member.
REFERENCES:
patent: 4373410 (1983-02-01), Davis
patent: 4505342 (1985-03-01), Barr et al.
patent: 4877096 (1989-10-01), Tibbitts
patent: 4956238 (1990-09-01), Griffin
patent: 4981184 (1991-01-01), Knowlton et al.
patent: 4989578 (1991-02-01), Lebourg
patent: 4991670 (1991-02-01), Fuller et al.
patent: 5025874 (1991-06-01), Barr et al.
Baker Hughes Incorporated
Bui Thuy M.
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