Integral blade cylindrical gauge stabilizer-reamer

Details Integral blade cylindrical gauge stabilizer-reamer Integral blade cylindrical gauge stabilizer-reamer

E - Fixed Constructions

21

B

255/28

E21B 17/10 (2006.01) E21B 10/26 (2006.01) E21B 10/44 (2006.01) E21B 10/56 (2006.01) E21B 17/22 (2006.01)

Patent

CA 1154430

ABSTRACT OF THE INVENTION This invention is directed to a reamer- stabilizer which is useful in drilling oil wells and holes in mineral formations. The reamer-stabilizer extends the life of the drill bit by maintaining the diameter of the hole to original specifications. The reamer-stabilizer comprises a stabilizer portion which reduces excessive lateral movement of the drill bit, a reamer portion which reams away undersize portions of the walls of the hole and a rock chip grinding portion which breaks down oversize rock chips in the hole.

384348

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