发明名称 |
Electrical isolation connector subassembly for use in directional drilling |
摘要 |
An electrical isolation connector subassembly for interconnecting adjacent tubular drill rods of a drilling system used in drilling bore holes in earth formations, the connector comprising an electrically insulative sleeve being sandwiched between two electrically isolated subassembly components, the sleeve providing an exterior gap between the edges of the spaced apart electrically isolated components, the exterior gap having a width of less than 50 cm.
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申请公布号 |
US2004169367(A1) |
申请公布日期 |
2004.09.02 |
申请号 |
US20030377214 |
申请日期 |
2003.02.28 |
申请人 |
SUTHERLAND MICHAEL T.;GURJAR RISHI |
发明人 |
SUTHERLAND MICHAEL T.;GURJAR RISHI |
分类号 |
E21B17/00;(IPC1-7):F16L11/12 |
主分类号 |
E21B17/00 |
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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