Impregnated bit with changeable hydraulic nozzles

Details Impregnated bit with changeable hydraulic nozzles Impregnated bit with changeable hydraulic nozzles

2007-12-07

2009-11-24

Gay, Jennifer H (Department: 3676)

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

C175S420200

Reexamination Certificate

active

07621350

ABSTRACT:
A diamond impregnated bit crown has blades formed thereon. Flow channels are formed between the blades, the flow channels having inner and outer ends and extending outward to a gage surface of the crown. At least some of the flow channels have an enlarged width area that has a greater width than a portion of the channel immediately outward from the enlarged width area. A nozzle is releasably secured in each of the enlarged width areas for discharging drilling fluid.

REFERENCES:
patent: 3215215 (1965-11-01), Kellner
patent: 4293048 (1981-10-01), Kloesel, Jr.
patent: 5699868 (1997-12-01), Caraway et al.
patent: 6510906 (2003-01-01), Richert et al.
patent: 6843333 (2005-01-01), Richert et al.
Hughes Christensen “Expanding the World of Impreg Applications”, 4 pages.
Baker Hughes—Hughes Christensen “Diamond Bits—Impregnated Bits”, 2 pages.

Affiliated with

Also associated with

Rating

Impregnated bit with changeable hydraulic nozzles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Impregnated bit with changeable hydraulic nozzles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Impregnated bit with changeable hydraulic nozzles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4058643