Dual-seal drill bit with fluid cleaning capability

Details Dual-seal drill bit with fluid cleaning capability Dual-seal drill bit with fluid cleaning capability

E - Fixed Constructions

21

B

E21B 10/18 (2006.01) E21B 10/22 (2006.01)

Patent

CA 2321469

A drill bit for use in an earthen annulus that contains loose particles is connected to a fluid supply source and includes a bit body having at least one journal segment and at least one fluid conduit in fluid communication with the fluid supply source. A roller cone is rotatably mounted upon the journal segment and forms at least one bearing cavity therebetween. Annular primary and secondary seals are disposed between the roller cone and the bit body and between the bearing cavity and the earthen annulus. An air groove is provided around at least a portion of the cone or leg between the primary seal and the earthen annulus. The groove circumscribes less than the entire circumference of the groove or leg, and in preferred embodiments includes an exit port and/or a diversion plug. Both the exit port and the diversion plug help prevent the groove from becoming plugged with debris.

Affiliated with

Also associated with

Rating

Dual-seal drill bit with fluid cleaning capability does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dual-seal drill bit with fluid cleaning capability, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual-seal drill bit with fluid cleaning capability will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1925226