Title:
INSTALLATION METHOD FOR AN OFFSHORE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2009/142501
Kind Code:
A3
Abstract:
This invention elates to a method of installing an offshore structure comprising the steps of providing one or more anchor lines connected to an anchor that is placed at an anchor position on the sea bed,storing the anchor line length in a data storage unit, pulling an upper end of the anchor line with an installation vessel at the water surface with a predetermined force at a surface position,measuring a tension in the anchor line at or near the water surface and recording the tension and the position of the anchor line upper end in a data storage unit,retrieving anchor line data from the data storage unit,determining on the basis of the retrieved data and the measured tension and positiona mooring anchor line length Lmresulting in an anchor line connection position, determining a actual anchor line length L, and removing an over length L-Lm from the anchor line end.
Inventors:
QUINN TONY (US)
SEBELLIN ERIC (FR)
WEUSTINK MENNO (FR)
JULIEN SASSUS BOURDA (FR)
HANKIN DAVID LEWIS (FR)
SEBELLIN ERIC (FR)
WEUSTINK MENNO (FR)
JULIEN SASSUS BOURDA (FR)
HANKIN DAVID LEWIS (FR)
Application Number:
PCT/NL2009/050287
Publication Date:
December 02, 2010
Filing Date:
May 25, 2009
Export Citation:
Assignee:
SINGLE BUOY MOORINGS (CH)
QUINN TONY (US)
SEBELLIN ERIC (FR)
WEUSTINK MENNO (FR)
JULIEN SASSUS BOURDA (FR)
HANKIN DAVID LEWIS (FR)
QUINN TONY (US)
SEBELLIN ERIC (FR)
WEUSTINK MENNO (FR)
JULIEN SASSUS BOURDA (FR)
HANKIN DAVID LEWIS (FR)
International Classes:
B63B21/16; B63B21/50
Domestic Patent References:
| WO2006101401A1 | 2006-09-28 |
Foreign References:
| US3248937A | 1966-05-03 | |||
| US5932815A | 1999-08-03 | |||
| US7034680B2 | 2006-04-25 |
Attorney, Agent or Firm:
VAN WESTENBRUGGE, Andre (JS The Hague, NL)
Download PDF: