发明名称 |
PIPELAYING VESSEL AND A METHOD OF CONVERTING A MARITIME VESSEL TO A PIPELAYING VESSEL |
摘要 |
A reel pipelaying vessel of the type having a main pipeline reel (118) mounted for rotation about a horizontal axis, a variable angle pipeline launching ramp (128) having pipeline straightening and tensioning means mounted thereon and having: an improved pipeline launching ramp arrangement including rack and pinion elevator means (140, 142, 144); an improved level winding mechanism for translating the pipeline straightening and tensioning means as the pipe is spooled onto or unspooled from the reel; sea fastening means for restraining axial movement of the reel while the vessel is in transit, thereby increasing the maximum pipeline load for reel bearings (114, 116) of a given load capacity; sponsons (108, 110) for providing additional flotation and strengthening the hull; an improved arrangement of auxiliary reels (120); a cantilever structure (200) for guiding auxiliary lines, providing access to the main reel and protecting the bridge (218) of the vessel; improved pipeline abandonment and recovery arrangements; an improved reel structure; and an improved pipeline clamping arrangement. A method of converting an existing vessel to a reel pipelaying vessel is also described.
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申请公布号 |
WO9522484(A1) |
申请公布日期 |
1995.08.24 |
申请号 |
WO1995GB00351 |
申请日期 |
1995.02.20 |
申请人 |
STENA OFFSHORE LIMITED;MARTIN, ROBERT, GEORGE;THOMAS, PHILIP, VAUGHN |
发明人 |
MARTIN, ROBERT, GEORGE;THOMAS, PHILIP, VAUGHN |
分类号 |
F16L1/225;(IPC1-7):B63B35/03;F16L1/20 |
主分类号 |
F16L1/225 |
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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