发明名称 |
Offshore Oil-Drilling Rig and Methods for Installing Same on an Offshore Oil-Drilling Site |
摘要 |
An offshore oil-drilling rig comprising a deck mounted mobile on legs, each leg including a support base on the sea floor and a caisson open at its base and designed to penetrate into the sea floor. Each caisson is arranged inside the leg and is mobile along the axis of the leg between a retracted upper position and a projecting lower position at which it is anchored on the sea floor. The invention also concerns methods for installing such a rig on an oil-drilling site.
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申请公布号 |
US2007231075(A1) |
申请公布日期 |
2007.10.04 |
申请号 |
US20050576630 |
申请日期 |
2005.09.26 |
申请人 |
THOMAS PIERRE-ARMAND;TCHERNIGUIN NICOLAS |
发明人 |
THOMAS PIERRE-ARMAND;TCHERNIGUIN NICOLAS |
分类号 |
E02B17/02 |
主分类号 |
E02B17/02 |
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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