| 发明名称 |
High Strength Corrosion Resistant High Velocity Oxy Fuel (HVOF) Coating for Downhole Tools |
| 摘要 |
A downhole tool comprises a body made of a metal or metal alloy. In addition, the downhole tool comprises a coating disposed on the body. The coating includes at least 75 vol % tungsten carbide having an average grain size less than 1.0 μm. The content of tungsten carbide in the coating with a grain size less than 0.5 μm is between 40 and 64 vol % of the coating. |
| 申请公布号 |
US2015322719(A1) |
申请公布日期 |
2015.11.12 |
| 申请号 |
US201214410475 |
申请日期 |
2012.06.28 |
| 申请人 |
Sue Jiinjen Albert;Sreshta Harold;Pillai Rajagopala |
发明人 |
Sue Jiinjen Albert;Sreshta Harold;Pillai Rajagopala |
| 分类号 |
E21B4/00;C23C4/12;E21B17/00;C23C4/06 |
主分类号 |
E21B4/00 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A device, comprising:
a body made of a metal or metal alloy; a coating disposed on the body; wherein the coating includes at least 75 vol % tungsten carbide having an average grain size less than 1.0 μm; wherein the content of tungsten carbide in the coating with a grain size less than 0.5 μm is between 40 and 64 vol % of the coating. |
| 地址 |
The Woodlands TX US |
