| 发明名称 |
Collar mounted downhole tool |
| 摘要 |
An assembly is used in a subterranean well. The assembly includes a first collar that has a support for supporting an oil tool at a first location and a second collar that is connected to the first collar for retaining the tool at a second location downhole of the first location.
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| 申请公布号 |
US6019182(A) |
申请公布日期 |
2000.02.01 |
| 申请号 |
US19970951229 |
申请日期 |
1997.10.16 |
| 申请人 |
PRIME DIRECTIONAL SYSTEMS, LLC |
发明人 |
ROUNTREE, STEVEN P.;BROUSSARD, JOAN B. |
| 分类号 |
E21B4/02;E21B17/02;E21B44/00;E21B47/18;(IPC1-7):E21B17/04;E21B23/02 |
主分类号 |
E21B4/02 |
| 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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