| 发明名称 |
SINGLE DRILLING GUIDE BASE FOR SUBSEA OIL WELLS SINGLE DRILLING GUIDE BASE FOR SUBSEA OIL WELLS |
| 摘要 |
A single drilling guide base for subsea oil wells comprising two parts, namely a lower part (1) and an upper part (2), which are bolted together (at 7), the whole arrangement being provided with a seating indicator (5).
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| 申请公布号 |
CA2147562(C) |
申请公布日期 |
2003.11.04 |
| 申请号 |
CA19952147562 |
申请日期 |
1995.04.21 |
| 申请人 |
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发明人 |
AWAD, SAMIR PASSOS;NOGUEIRA, EMMANUEL FRANCO |
| 分类号 |
E21B33/035;E21B41/00;(IPC1-7):E21B7/12 |
主分类号 |
E21B33/035 |
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