| 发明名称 |
PIPE SECTION FOR USE IN A BOREHOLE |
| 摘要 |
<p>K 5838 The telemetering system of a drill pipe string comprises an insulated electrical conduit section with amplifier in each pipe section, said conduit section being provided at each end thereof with an electrode adapted to be exposed to the mud in the hole, and to face an electrode carried by an adjoining pipe section.</p> |
| 申请公布号 |
CA1123051(A) |
申请公布日期 |
1982.05.04 |
| 申请号 |
CA19790322259 |
申请日期 |
1979.02.26 |
| 申请人 |
SHELL CANADA LIMITED |
发明人 |
VAN DER GRAAF, GERHARDUS C. |
| 分类号 |
F16L9/02;E21B17/02;E21B17/042;E21B47/12;H01R13/523;(IPC1-7):01V3/02 |
主分类号 |
F16L9/02 |
| 代理机构 |
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