发明名称 |
HARDFACING COMPOSITIONS, METHODS OF APPLYING THE HARDFACING COMPOSITIONS, AND TOOLS USING SUCH HARDFACING COMPOSITIONS |
摘要 |
A hardfacing composition comprising a carbide phase and a matrix phase, The carbide phase comprises mono-tungsten carbide in a quantity of greater than 50 percent by weight, based on the total weight of the carbide phase. The matrix phase comprises iron and nickel. The nickel is present in a quantity in the range of from 0.5 to 20 percent by weight, based on the total weight of the matrix phase. Also included are methods of applying such hardfacing compositions to a downhole tool and downhole tools having such hardfacing compositions applied thereon.
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申请公布号 |
US2012067651(A1) |
申请公布日期 |
2012.03.22 |
申请号 |
US201113233678 |
申请日期 |
2011.09.15 |
申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
XIA SIKE;ZHOU YONG |
分类号 |
E21B10/46;B23K31/02;C04B35/56;E21B10/50;E21B10/54 |
主分类号 |
E21B10/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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