E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
E02B 17/08 (2006.01) E21B 33/035 (2006.01) E21B 43/017 (2006.01)
Patent
CA 2313747
A method and device for assembly of a substructure (4) and a template (40) on a sea bed (2) and levelling of the template (40). The template (40) is arranged to be tiltably supported by the substructure (4) via respective support devices (60, 20). A tool (100) which can be connected to a pipe string (104), which can be deployed from a platform (80) at the surface, can be connected to the substructure (4). Jacks (130- 136) of the tool can influence contact portions (70- 76) on the top of the template (40), tilting it to a levelled position. On the platform the string (104) is initially connected to the tool (100) which in turn is connected to the substructure (4). The substructure is then lowered through the template (40) and support devices (20, 60) of the substructure and the template are brought into abutment with each other. The tool, the template and the substructure are then lowered and the lower portion (12) of the substructure is inserted in the hole (3) and cemented therein, whereupon the jacks are operated and the template is levelled. Since the jacks are located above the template, the tool (100) and the jacks (130 - 136) can be released from the substructure and the template respectively and hoisted up. A device for implementing the method.
Faella Martin
Kongsberg Offshore A/s
Oyen Wiggs Green & Mutala Llp
LandOfFree
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