| 发明名称 |
METHOD FOR DRILLING WELLBORES FROM AN OFFSHORE PLATFORM |
| 摘要 |
<p>Case: ICR 6577A A METHOD FOR DRILLING WELLBORES FROM AN OFFSHORE PLATFORM A method for drilling wellbores from an offshore platform to penetrate a subterranean formation using a combination of surface drilling techniques and subsea drilling techniques to achieve an improved effectiveness by avoiding the necessity for large conduits communicating the ocean floor and the offshore platform.</p> |
| 申请公布号 |
CA1150717(A) |
申请公布日期 |
1983.07.26 |
| 申请号 |
CA19810376775 |
申请日期 |
1981.05.04 |
| 申请人 |
CONOCO INC. |
发明人 |
GOLDSMITH, RILEY G. |
| 分类号 |
E21B7/128;E21B21/00;E21B43/017;(IPC1-7):E21B7/136;E21B43/01 |
主分类号 |
E21B7/128 |
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