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Keywords: line tension
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30562-MS
... Mooring line tension monitoring is required for permanently moored floating offshore platforms by some regional regulators and classification societies. This requirement is typically satisfied by installing physical sensors that directly measure the line tension. Experience shows these sensors...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29560-MS
...-domain simulation methods. Vibrating Wire Gauges are a potential alternative to the use of in-line load cells or inclinometers for measuring mooring line tensions. These sensors have a proven track record in the Geotechnical Industry. A sensor dedicated for the offshore industry has been developed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27551-MS
... systems in areas such as offshore West Africa. This work focuses on the identification of load cases for time-domain analysis of wind squall events for spread and turret moored vessels. This paper also proposes a method for determining the characteristic design value of extreme line tension and presents...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27734-MS
... at OTC 2017. line tension normoor jip tension distribution safety factor environmental condition subsea system domain analysis strength annual probability mooring system design analysis structural reliability analysis haltenbanken characteristic tension probability upstream oil...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26904-MS
... hoist configuration were looked at as well. The vertical shuttle system configuration (Figure 21) showed that the peak tension was reduced by a factor of two due to the lower sail area. Stern hoist configuration yields larger line tensions due to the increase in vertical vessel motion at the lifting...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-26051-MS
... life upstream oil & gas machine learning current speed vim event line tension model test Presentation of OTC-26051-MS Presentation of OTC-26051-MS T. Finnigan and D. Roddier , "SPAR VIM MODEL TESTS AT SUPERCRITICAL REYNOLDS NUMBERS," in International...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24041-MS
.... tension safety factor pretension fo tension platform chain deepc program requirement mooring system line tension survival condition evaluation criteria environmental condition design requirement safety factor upstream oil & gas subsea system offshore technology conference optimization...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23083-MS
... of 1,100-mTand an average overall diameter of ~205-mm. Delmar's patented subsea connectorwas used to connect the ground chain to the suction piles. line tension upstream oil & gas messenger chain permanent elongation suction pile project specific load-elongation test rope length...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20085-MS
.... In layered soil, information about the thickness and strength of all significant soil layers is needed to predict the optimal combination of anchor size and fluke angle to assist in the analysis and planning of the anchor installation. calculation line tension additional drag minimum installation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18626-MS
... Differential Global Positioning System (DGPS) and 6 degree-of-freedom (6 DOF) inertial motion sensors, and mooring line tensions and riser responses. Critical system parameters such as ballast tank levels, void tank alarms and ballast/bilge valve positions are also monitored. The paper describes the details...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18036-MS
... conventional cylindrical suction anchors, with closed vents on the top cover, in normally consolidated clay, subject to extreme line tensions representative of a semisubmersible operating in 1,000m water depth in the Gulf of Mexico and at Haltenbanken, offshore Norway, and a moored ship in 2,000m water depth...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2005
Paper Number: OTC-17499-MS
... artificial intelligence riser line tension connector fpso chain stopper subsea system integrity inspection corrosion mooring system statistics interface north sea in-water inspection OTC 17499 Floating Production Mooring Integrity JIP Key Findings M.G. Brown, Noble Denton Europe Ltd.; T.D...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16585-MS
... offshore technology conference coefficient hurricane condition fpso response configuration mooring system model test fpso riser mean st otc 16585 water depth simulation line tension Copyright 2004, Offshore Technology Conference This paper was prepared for presentation at the Offshore...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16109-MS
... probability design code line tension penetration depth safety factor strength loading Copyright 2004, Offshore Technology Conference This paper was prepared for presentation at the Offshore Technology Conference held in Houston, Texas, U.S.A., 3 6 May 2004. This paper was selected for presentation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16583-MS
... upstream oil & gas model test otc 16583 hurricane kn 2 loop current condition loop current line tension energy spectrum spar motion simulation turbulence frequency hull riser statistics spectrum Copyright 2004, Offshore Technology Conference This paper was prepared for presentation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15243-MS
... for Truss Spars and even for Classic Spars. model test subsea system natural period line load strake current velocity spar viv response amplitude mooring system sway period line tension configuration drivesim otc 15243 spar hull viv coefficient truss spar upstream oil & gas...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15245-MS
... a spar is equipped with strakes to mitigate these motions. subsea system chain 250 fairlead chain 350 loop eddy current mooring system wire rope 350 fatigue damage vim cd 1 platform chain 350 line tension water depth transverse platform chain 250 anchor chain 350 spar rope 1...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14232-MS
... for BP's Schiehallion FPSO. Both case studies showed that there is potential for reducing maximum design excursions and line tensions by about 20% if response-based analysis methods are adopted rather than the traditional deterministic approach. Other key benefits from the response-based approach...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-13271-MS
... Abstract A time domain analysis procedure is used to calculate maximum design tensions for the mooring system of a truss spar. Fairlead motions are used as input to calculate time histories of dynamic mooring line tensions. Several random simulations are used to derive design values of maximum...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2001
Paper Number: OTC-13272-MS
... to withstand typical operational environments. fiber rope rig line tension water depth offshore technology conference deployment mooring system hmpe corbetta wire rope strand application winch upstream oil & gas hmpe line otc 13272 hmpe rope subsea system shark termination...

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