Title:
WEAR RESISTANT WELD OVERLAY ON DOWNHOLE MINING COMPONENTS
Document Type and Number:
WIPO Patent Application WO/2011/005404
Kind Code:
A3
Abstract:
A rock bit including a bit body having an upper end adapted to be detachably secured to a drill string; at least one roller cone; at least one cutting element disposed on the at least one roller cone; and a wear resistant weld overlay on at least a portion of an external surface of the rock bit, wherein the wear resistant weld overlay comprises a steel nanocrystalline material having at least one metal borocarbide precipitant dispersed therein is disclosed.
More Like This:
| WO/1995/008691 | DISC CUTTER |
| WO/1996/036206 | METHOD OF HARD FACING A SUBSTRATE, AND WELD ROD USED IN HARD FACING A SUBSTRATE |
| WO/2000/003114 | ROTARY CONE DRILL BIT WITH MACHINED CUTTING STRUCTURE AND METHOD |
Inventors:
PANDA KRUTIBAS (US)
VISWANADHAM RAMAMURTHY K (US)
SLAUGHTER ROBERT H (US)
VISWANADHAM RAMAMURTHY K (US)
SLAUGHTER ROBERT H (US)
Application Number:
PCT/US2010/037860
Publication Date:
March 03, 2011
Filing Date:
June 09, 2010
Export Citation:
Assignee:
SANDVIK INTELLECTUAL PROPERTY (SE)
PANDA KRUTIBAS (US)
VISWANADHAM RAMAMURTHY K (US)
SLAUGHTER ROBERT H (US)
PANDA KRUTIBAS (US)
VISWANADHAM RAMAMURTHY K (US)
SLAUGHTER ROBERT H (US)
International Classes:
E21B10/50; C22C29/08; E21B10/08
Foreign References:
| US6414258B1 | 2002-07-02 | |||
| US6196338B1 | 2001-03-06 | |||
| US20070029295A1 | 2007-02-08 | |||
| US6659206B2 | 2003-12-09 |
Attorney, Agent or Firm:
MONTGOMERY, John, W. et al. (909 Fannin Street Suite 350, Houston TX, US)
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