| 发明名称 |
Winged pipelaying |
| 摘要 |
Subsea pipelay is accomplished by flying the pipestring underwater with the use of wings which provide sufficient lift to maintain the pipestring off bottom as it is towed.
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| 申请公布号 |
US4789269(A) |
申请公布日期 |
1988.12.06 |
| 申请号 |
US19870045742 |
申请日期 |
1987.04.29 |
| 申请人 |
SHELL OIL COMPANY |
发明人 |
AYERS, RAY R.;KOPP, FRANS |
| 分类号 |
F16L1/16;(IPC1-7):F16L1/04 |
主分类号 |
F16L1/16 |
| 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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