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1. 发明申请

WO2005051755A3 BUOYANCY CAN FOR OFFSHORE OIL AND GAS RISER 审中-公开
标题翻译：浮力可用于海上石油和天然气上涨
公开(公告)号：WO2005051755A3
公开(公告)日：2005-12-01
申请号：PCT/US2004038302
申请日：2004-11-17
申请人： TECHNIP FRANCE , DAILY JAMES ELVIN , KARAYAKA METIN
发明人： DAILY JAMES ELVIN , KARAYAKA METIN
IPC分类号： E21B17/01 , E21B7/12
CPC分类号： E21B17/012
摘要： A buoyancy can for supporting an offshore oil and gas riser includes an axial bore through which the riser extends coaxially, and a radio-axial slot extending through a side of the can and into the axial bore. A pair of spaced-apart support features are disposed coaxially on the riser, and the can includes a pair of corresponding sockets in the axial bore thereof. The sockets are adapted to receive and vertically support respective ones of the support features in a complementary, axial engagement. The can is placed in the water and moved laterally relative to a fully assembled, vertically supported riser such that the riser passes through the radio-axial slot of the can and into the axial bore thereof without the need for disassembly of the upper portion of the riser. The relative vertical positions of the can and riser are then adjusted such that the support features engage and seat within respective ones of their com-plementary sockets.
摘要翻译：一种用于支撑海上油气提升管的浮力装置包括一个轴向孔，该提升管同轴地延伸通过该轴向孔，以及一个通过该罐的一侧延伸进入该轴向孔的径向槽。一对间隔开的支撑特征同轴地设置在立管上，并且罐在其轴向孔中包括一对相应的套管。所述插座适于以互补的轴向接合接收并垂直支撑相应的所述支撑特征。将罐放入水中并相对于完全组装的垂直支撑的立管横向移动，使得立管穿过罐的无线轴向槽并进入其轴向孔，而不需要拆卸该罐的上部立管。然后调节罐和立管的相对垂直位置，使得支撑特征接合并安置在它们的相应的一个补充插座内。

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