Drill bits

Details Drill bits Drill bits

E - Fixed Constructions

21

B

E21B 10/34 (2006.01)

Patent

CA 2413377

An expandable drill bit (10) comprises a body (14) for mounting on a support string and two roller cutters (12, 13) mounted on the body (14). The cutters (12, 13) are movable between a smaller diameter first configuration and a larger diameter second configuration. In one embodiment the bit (10) is adapted to drill with the cutters (12, 13) in both the first and second configurations.

L'invention concerne un trépan télescopique (10) comprenant un corps (14) conçu pour être monté sur une tige de support et deux couteaux rotatifs (12, 13) montés sur le corps (14). Les couteaux (12, 13) peuvent se déplacer entre une première configuration de diamètre plus petit et une seconde configuration de diamètre plus grand. Selon un mode de réalisation, le trépans (10) est conçu pour forer avec les couteaux (12, 13) présentant la première et la seconde configurations.

Affiliated with

Also associated with

Rating

Drill bits does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1753586