Title:
DIAMOND IMPREGNATED CUTTING STRUCTURES, EARTH-BORING DRILL BITS AND OTHER TOOLS INCLUDING DIAMOND IMPREGNATED CUTTING STRUCTURES, AND RELATED METHODS
Document Type and Number:
WIPO Patent Application WO/2012/048017
Kind Code:
A3
Abstract:
An earth-boring tool includes a bit body, a plurality of first cutting elements, and a plurality of second cutting elements. Each of the first cutting elements includes a discontinuous phase dispersed within a continuous matrix phase. The discontinuous phase includes a plurality of particles of superabrasive material. Each of the second cutting elements includes a polycrystalline diamond compact or tungsten carbide. A method of forming an earth-boring tool includes disposing a plurality of first cutting elements on a bit body and disposing a second plurality of second cutting elements on the bit body. Another method of forming an earth-boring tool includes forming a body having a plurality of first cutting elements and a plurality of cutting element pockets and securing each of a plurality of second cutting elements within each of the cutting element pockets.
Inventors:
GREEN JAMES C (US)
KIRKPATRICK BEN L (US)
CLEBOSKI CHRISTOPHER J (US)
LYONS NICHOLAS J (US)
WARNER ANDREW R (US)
FULLER WESLEY DEAN (US)
KIRKPATRICK BEN L (US)
CLEBOSKI CHRISTOPHER J (US)
LYONS NICHOLAS J (US)
WARNER ANDREW R (US)
FULLER WESLEY DEAN (US)
Application Number:
PCT/US2011/054949
Publication Date:
May 31, 2012
Filing Date:
October 05, 2011
Export Citation:
Assignee:
BAKER HUGHES INC (US)
GREEN JAMES C (US)
KIRKPATRICK BEN L (US)
CLEBOSKI CHRISTOPHER J (US)
LYONS NICHOLAS J (US)
WARNER ANDREW R (US)
FULLER WESLEY DEAN (US)
GREEN JAMES C (US)
KIRKPATRICK BEN L (US)
CLEBOSKI CHRISTOPHER J (US)
LYONS NICHOLAS J (US)
WARNER ANDREW R (US)
FULLER WESLEY DEAN (US)
International Classes:
E21B10/54; E21B10/42; E21B10/62
Foreign References:
| US20100187011A1 | 2010-07-29 | |||
| US4991670A | 1991-02-12 | |||
| US20100122853A1 | 2010-05-20 | |||
| US20090084608A1 | 2009-04-02 |
Attorney, Agent or Firm:
WELBORN, Brian, S. et al. (Intellectual Property CounselP.O. Box 474, Houston TX, US)
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