公开(公告)号：US12116748B2

公开(公告)日：2024-10-15

申请号：US17639775

申请日：2020-08-27

申请人： EQUINOR ENERGY AS

发明人： Kjell Einar Ellingsen ,  Jone Stangeland ,  Geir Gundersen Fuhr ,  Lorents Reinås ,  Morten Æther ,  Harald Sigurd Nesse ,  Asle Eide

IPC分类号： E02D27/52 ,  E02D7/20 ,  E21B41/10

CPC分类号： E02D27/525 ,  E02D7/20 ,  E02D2250/0053 ,  E02D2600/20 ,  E21B41/10

摘要： A subsea foundation system and a method of connecting a lower pipe portion to a subsea foundation are provided. The method includes: providing the subsea foundation, an upper pipe portion being connected to the subsea foundation, deploying the subsea foundation subsea; and connecting the lower pipe portion to the upper pipe portion. The subsea foundation system includes: the subsea foundation; the upper pipe portion connected to the subsea foundation, and the lower pipe portion. The lower pipe portion can be connected to the upper pipe portion subsea. The lower pipe portion may be connected to the subsea foundation in a stowed position before deployment subsea. The lower pipe portion may be connected to a pull-in arrangement before deployment subsea.