Patent · US Active

Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials

US7997359B2 · kind B2 · utility

11Cited by

236References

16Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Jimmy W. Eason · Diemelstraße, US
James L. Overstreet · Tomball, US

Key dates

Filing date	Sep 27, 2007
Grant date	Aug 16, 2011
Priority date	—
Expiry date	Feb 28, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2005/001
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An abrasive wear-resistant material includes a matrix material and a plurality of −40/+80 ASTM mesh dense sintered carbide pellets. A rotary drill bit having an exterior surface and an abrasive wear-resistant material disposed on at least a portion of the exterior surface of the bit body is provided. Methods for applying an abrasive wear-resistant material to a surface of a drill bit are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.