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WO2009040638A3 - Anchor monitoring system - Google Patents

Anchor monitoring system Download PDF

Info

Publication number
WO2009040638A3
WO2009040638A3 PCT/IB2008/002491 IB2008002491W WO2009040638A3 WO 2009040638 A3 WO2009040638 A3 WO 2009040638A3 IB 2008002491 W IB2008002491 W IB 2008002491W WO 2009040638 A3 WO2009040638 A3 WO 2009040638A3
Authority
WO
WIPO (PCT)
Prior art keywords
inclination
polymer
nonstretch
line
predicted
Prior art date
Application number
PCT/IB2008/002491
Other languages
French (fr)
Other versions
WO2009040638A2 (en
Inventor
Renaud Daran
Christoph Vogt
Walter Maurel
Original Assignee
Single Buoy Moorings, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Single Buoy Moorings, Inc. filed Critical Single Buoy Moorings, Inc.
Publication of WO2009040638A2 publication Critical patent/WO2009040638A2/en
Publication of WO2009040638A3 publication Critical patent/WO2009040638A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/22—Handling or lashing of anchors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B2021/003—Mooring or anchoring equipment, not otherwise provided for
    • B63B2021/008—Load monitors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Ropes Or Cables (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A system wherein a vessel (12) is moored by catenary mooring lines (14, 15, 16) that include polymer cable lengths (30) that can stretch under tension, which indicates the amount of polymer stretching. In the absence of polymer line stretching, a measured actual drift or excursion of the vessel from its initial position (as determined by a GPS system) would result in a predetermined nonstretch inclination (graph 50) of the top (42) of a first mooring line (14) from the horizontal. If the inclination is greater than the predicted nonstretch inclination, this indicates that the polymer line has stretched, with the amount of stretch indicated by the increase in inclination over the predicted nonstretch inclination.
PCT/IB2008/002491 2007-09-28 2008-09-22 Anchor monitoring system WO2009040638A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US99595307P 2007-09-28 2007-09-28
US60/995,953 2007-09-28
US12/205,406 2008-09-05
US12/205,406 US20090084302A1 (en) 2007-09-28 2008-09-05 Anchor monitoring system

Publications (2)

Publication Number Publication Date
WO2009040638A2 WO2009040638A2 (en) 2009-04-02
WO2009040638A3 true WO2009040638A3 (en) 2010-04-01

Family

ID=40506751

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/002491 WO2009040638A2 (en) 2007-09-28 2008-09-22 Anchor monitoring system

Country Status (2)

Country Link
US (1) US20090084302A1 (en)
WO (1) WO2009040638A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8994527B2 (en) * 2009-03-19 2015-03-31 Galen G. Verhulst Sea floor sampling device and method
BR112012019205A2 (en) * 2010-02-03 2020-08-11 Viking Moorings As method for tying a marine vessel, spreading anchor for tying a marine vessel, and, mooring component.
GB201015421D0 (en) * 2010-09-15 2010-10-27 Catenary Testing Ltd Method of calibraing a mooring line tension meter
WO2013181303A1 (en) * 2012-05-30 2013-12-05 Services Petroliers Schlumberger Monitoring integrity of a riser pipe network
US9188448B2 (en) 2012-11-21 2015-11-17 The Boeing Company Methods and systems for determining an anchoring location of a marine vessel
KR101633650B1 (en) * 2014-11-27 2016-06-28 오션어스(주) Mooring apparatus for offshore construction
US9671231B2 (en) * 2015-07-20 2017-06-06 Technip France Monitoring system and method for vessel mooring
CN107576476B (en) * 2017-08-18 2019-04-19 中国船舶重工集团公司第七一九研究所 Ocean nuclear power platform single point mooring integrated monitoring system and method
KR102771271B1 (en) * 2018-10-22 2025-02-20 테크닙 에너지스 프랑스 Ship mooring monitoring system and method using position and yaw, roll and pitch rotational motion
EP4378812A1 (en) * 2022-12-02 2024-06-05 Siemens Gamesa Renewable Energy A/S Mooring system status monitoring for floating offshore wind turbine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797033A (en) * 1980-04-07 1989-01-10 Amtel, Inc. Anchor line-stabilized system
US4820217A (en) * 1985-12-30 1989-04-11 Institut Francais Du Petrole Device for preventing a flexible line from twisting
US5957074A (en) * 1997-04-15 1999-09-28 Bluewater Terminals B.V. Mooring and riser system for use with turrent moored hydrocarbon production vessels
US6027286A (en) * 1997-06-19 2000-02-22 Imodco, Inc. Offshore spar production system and method for creating a controlled tilt of the caisson axis

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO974639L (en) * 1997-10-08 1999-04-09 Hitec Asa Method and arrangement for mooring a ship, especially a ship for oil / and / or gas production
US6999641B2 (en) * 2002-05-03 2006-02-14 Jerry Gene Williams Measurement of large strains in ropes using plastic optical fibers
US7316196B2 (en) * 2005-03-18 2008-01-08 Shell Oil Company Method and apparatus for handling mooring lines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797033A (en) * 1980-04-07 1989-01-10 Amtel, Inc. Anchor line-stabilized system
US4820217A (en) * 1985-12-30 1989-04-11 Institut Francais Du Petrole Device for preventing a flexible line from twisting
US5957074A (en) * 1997-04-15 1999-09-28 Bluewater Terminals B.V. Mooring and riser system for use with turrent moored hydrocarbon production vessels
US6027286A (en) * 1997-06-19 2000-02-22 Imodco, Inc. Offshore spar production system and method for creating a controlled tilt of the caisson axis

Also Published As

Publication number Publication date
WO2009040638A2 (en) 2009-04-02
US20090084302A1 (en) 2009-04-02

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