Bi-centered drill bit having enhanced casing drill-out...

E - Fixed Constructions – 21 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

E21B 10/26 (2006.01) E21B 10/42 (2006.01)

Patent

CA 2388948

A bi-center drill bit is disclosed which includes a bit body having pilot blades and reaming blades distributed azimuthally around the body. The blades have cutting elements disposed thereon at selected positions. The body and blades define a longitudinal axis of the bit and a pass-through axis of the bit. In one aspect, selected ones of the pilot blades include thereon, longitudinally between the pilot blades and the reaming blades, a pilot hole conditioning section including gage faces. The gage faces define a diameter intermediate a pilot hole diameter and a pass-through diameter defined, respectively, by the pilot blades and the reaming blades.

LandOfFree

Say what you really think

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

Rating

Bi-centered drill bit having enhanced casing drill-out... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bi-centered drill bit having enhanced casing drill-out..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bi-centered drill bit having enhanced casing drill-out... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1559519

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