Nozzle assembly for rotary drill bit and method of installation

Details Nozzle assembly for rotary drill bit and method of installation Nozzle assembly for rotary drill bit and method of installation

1988-01-29

1988-10-11

Novosad, Stephen J.

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

175424, 239600, 239601, E21B 1060

Patent

active

047764120

ABSTRACT:
A rotary drill bit (10) has a nozzle assembly (24) positioned within a nozzle bore (22). Nozzle assembly (24) has a nozzle member (34) with a port (40) deviated from the longitudinal axis of the nozzle member (34). A retaining nut (54) is threaded within the threaded bore (22) while the nozzle member (34) is held against rotation thereby to maintain the port (40) in a predetermined rotational position upon final installation.

REFERENCES:
patent: 3120284 (1964-02-01), Goodwin
patent: 3137354 (1964-06-01), Crawford et al.
patent: 3447755 (1969-06-01), Cartwright
patent: 4400024 (1983-08-01), Ratcliff et al.
patent: 4427221 (1984-01-01), Shay
patent: 4533005 (1985-08-01), Morris
patent: 4542798 (1985-09-01), Madigan
patent: 4582149 (1986-04-01), Slaughter, Jr.
patent: 4687067 (1987-08-01), Smith et al.
patent: 4738320 (1988-04-01), Bardin et al.

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