Patent ID: 9359824
Filing Date: 2016-06-07
CPC Classification: B22D,B22F,C22C,E21B

Claim Text:
1. A downhole tool, comprising: a metal component comprising a top portion, a bottom portion, and a channel extending from the top portion to the bottom portion, the metal component being fabricated from at least an iron material; and a cemented matrix material bonded to an exterior surface and an interior surface of the metal component, the cemented matrix material comprising a binder material cementing a tungsten carbide powder and a shoulder powder therein, the cemented tungsten carbide powder coupled to at least the bottom portion of the metal component and the cemented shoulder powder being coupled to at least the top portion of the metal component, the shoulder powder being positioned above the tungsten carbide powder, wherein the shoulder powder used for fabricating the downhole tool is absent any free tungsten, and wherein the shoulder powder is selected from at least one of stainless steel powder, nickel powder, cobalt powder, tantalum powder, molybdenum powder, or any other steel powder.