发明名称 |
Slips for anchoring a downhole tool |
摘要 |
<p>A slip element (18) installable about a downhole tool apparatus for use in anchoring the tool in a wellbore comprises at least one slip button (19) made of a metallic-ceramic composite material comprising an effective amount of titanium compound so that the button is resistant to chipping upon setting yet has favourable drillability characteristics upon drilling the downhole tool from a wellbore. <IMAGE></p> |
申请公布号 |
EP0928878(A2) |
申请公布日期 |
1999.07.14 |
申请号 |
EP19990300133 |
申请日期 |
1999.01.08 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
YUAN, YUSHENG;DAVISON, DOUGLAS W.;BERSCHEIDT, KEVIN T. |
分类号 |
E21B33/12;E21B33/129;(IPC1-7):E21B33/129 |
主分类号 |
E21B33/12 |
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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