Spherical reaming bit

Details Spherical reaming bit Spherical reaming bit

E - Fixed Constructions

21

B

E21B 10/08 (2006.01) E21B 10/22 (2006.01) E21B 10/28 (2006.01) E21B 10/52 (2006.01)

Patent

CA 2123646

A reamer bit for reaming in earth formations. In one embodiment, the reaming bit provides spherical reaming faces with replaceable cutting bit holders. The holders include cutting bits. The spherical reaming faces are not appreciably susceptible to drag during a reaming procedure and premature wear of the faces is alleviated by the provision of bits. The overall result is a substantially improved apparatus for reaming which assists in cost reductions for the process.

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