Neglectedfeaturesofdynamicresponseoflongdrillingrisersinreentryunderhorizontaloscillationofmothervessels

Neglectedfeaturesofdynamicresponseoflongdrillingrisersinreentryunderhorizontaloscillationofmothervessels.pdf
Inre-entry,thedrillingriserissettoconnectwiththeseabedwellhead.Owingtothesurfacewave,theMotherVessel(MV)andthedrillingriserwilloscillateintheocean,whichcancausethedifficultyoftheconnectionbetweentheriserlowerendandtheseabedwellhead.TopredicttheriserresponsetothehorizontalMVoscillation,theFlexibleSegmentModel(FSM)baseddynamiccalculationmethodisemployedtomakethenumericalcalculation.FortheresponseoflongdrillingriserstotheMVoscillationatdifferentperiodsandamplitudes,thereare2featureseasytobeneglected:themaximumresponseamplitudeofriserlowerendsandminimumoscillationlocationontherisers.Here,a1500mdrillingriseristakenasatypicallongdrillingriser.ItsdynamicresponsetothehorizontalMVoscillationisanalyzed,themaximumresponseamplitudeofriserlowerendasthevariationofMVoscillatingperiodandamplitudeisshown,andtheMinimumOscillationPoint(MOP)ontheriserislocated.
作者：XUXuesongCHENWeiDAISiyu
作者单位：StateKeyLaboratoryofOceanEngineering,CollaborativeInnovationCenterforAdvancedShipandDeep-SeaExploration,ShanghaiJiaotongUniversity,ShanghaiChina200240
母体文献：第十八届中国海洋(岸)工程学术讨论会论文集
会议名称：第十八届中国海洋(岸)工程学术讨论会  
会议时间：2017年9月1日
会议地点：浙江舟山
主办单位：中国海洋学会,中国海洋工程学会
语种：chi
分类号：
关键词：marinerisers  riserdynamics  riserreentry  movementoptimization  antcolonyoptimization
在线出版日期：2020年7月21日
基金项目：
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Neglectedfeaturesofdynamicresponseoflongdrillingrisersinreentryunderhorizontaloscillationofmothervessels.pdf

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