
基本信息:
- 专利标题: LAYERED HARDFACING, DURABLE HARDFACING FOR DRILL BITS
- 专利标题(中):层状硬化,钻石钻头的耐久性硬化
- 申请号:US12120896 申请日:2008-05-15
- 公开(公告)号:US20090120692A1 公开(公告)日:2009-05-14
- 发明人: Kumar T. Kembaiyan , Madapusi K. Keshavan , Alysia C. White , Brian A. White
- 申请人: Kumar T. Kembaiyan , Madapusi K. Keshavan , Alysia C. White , Brian A. White
- 申请人地址: US TX Houston
- 专利权人: SMITH INTERNATIONAL, INC.
- 当前专利权人: SMITH INTERNATIONAL, INC.
- 当前专利权人地址: US TX Houston
- 主分类号: E21B10/46
- IPC分类号: E21B10/46 ; E21B10/26 ; C23C30/00
摘要:
A drill bit having a bit body having at least one blade thereon, at least one cutter pocket disposed on the at least one blade, at least one cutter disposed in the at least one cutter pocket, hardfacing applied to at least a selected portion of the drill bit is shown and described. The hardfacing includes a first hardfacing layer disposed on the selected portion of the drill bit, a second hardfacing layer disposed on the first hardfacing layer, wherein the first hardfacing layer has a hardness different than a hardness of the second hardfacing layer.
摘要(中):
一种具有位于其上的至少一个刀片的钻头体的钻头,设置在所述至少一个刀片上的至少一个切割器凹槽,设置在所述至少一个切割器凹槽中的至少一个切割器,至少施加到所述至少一个刀片的选定部分的硬化面 显示和描述钻头。 表面硬化包括设置在钻头的选定部分上的第一表面硬化层,设置在第一表面硬化层上的第二表面硬化层,其中第一表面硬化层具有与第二表面硬化层的硬度不同的硬度。
公开/授权文献:
- US07770672B2 Layered hardfacing, durable hardfacing for drill bits 公开/授权日:2010-08-10
IPC结构图谱:
E | 固定建筑物 |
--E21 | 土层或岩石的钻进;采矿 |
----E21B | 土层或岩石的钻进;从井中开采油、气、水、可溶解或可熔化物质或矿物泥浆 |
------E21B10/00 | 钻头 |
--------E21B10/46 | .以抗磨部件为特征的,例如,金刚石镶嵌 |