A drill bit

E - Fixed Constructions – 21 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

E21B 10/60 (2006.01) E21B 10/02 (2006.01)

Patent

CA 2571595

A drill bit (20) for connection to a casing string (R), wherein the bit (20) comprises an annular bit face (21) which is built-up by a matrix and which comprises a sintered diamond-metal powder mixture, wherein the bit face (21) includes a plurality of radially orientated liquid delivery slots (16, 23, 26) for cooling and cleansing the bit face (21), wherein at least one of the liquid delivery slots is comprised of an inner slot (23) which extends radially outwards from the inside (24) of the bit face (21), wherein the slot (23) is terminated with an inner bottom (24) in the bit face (21), wherein a further liquid delivery slot comprises an outer slot (26) that extends radially inwards from the outside (27) of the bit face, and wherein said outer slot is terminated with an outer bottom (28) in the bit face (21).

Cette invention concerne un trépan (209) conçu pour être raccordé à une colonne de tubage (R), lequel trépan comprend une face de trépan annulaire (21) qui est constituée par une matrice et qui comprend un mélange de poudre de diamant fritté, laquelle face de trépan (21) comprend une pluralité de fentes de distribution de liquide orientées radialement (16, 23, 26) servant à refroidir et à nettoyer la face de trépan (21), au moins une de ces fentes de distribution de liquide étant composée d'une fente interne (23) qui s'étend radialement vers l'extérieur depuis l'intérieur (24) de la face de trépan (21), la fente se terminant par un fond interne (24) dans la face de trépan (21), une autre fente de distribution de liquide comprenant une fente externe (26) qui s'étend radialement vers l'intérieur depuis l'extérieur (27) de la face de trépan, ladite fente extérieure se terminant par un fond extérieur (28) dans la face de trépan (21).

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

A drill bit does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFCA-PAI-O-1642429

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.