半潛式鉆井平臺(tái)南海海域作業(yè)適用性評(píng)估方法與實(shí)踐

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Abstract：Toacuratelyevaluatetheactualoperationalcapacityofsemi-submersibledrilingplatforms，asystematicmethodforthe applicabilityevaluationofseaswasproposed.Basedontheanalysisofairgap，globaltrength，anchoringordynamicpositioing，and stabilityteoperatiocapacityofssubmesibleplatfoswasevaluated.Tevaluaoetodndprocsforteplicabiltf the targetsea were put forward.According to the China Clasification Society's“China Seas Sea StateData Query System”，the variousseaareasintheSouthChinaSeaweresubdividedandthenvironmentalconditiodataofthediferentreturnperidswere calculatedandanalyd.Withase-submersibledrillngplatforasneample，itsapplicabilitynalyis toeSouthCinaSeawas evaluatedsystematically.Combiningwiththeenvironmentalconditionsdataof the SouthChinaSea，theseaareaapplicabletothe platformwasidentified.TheresearchresultsshowthattheaplicabilityateoftecaseplatforminteSouthChinaSeaisapproxiately 60% ，providingasientificbasisforoperators indecisio-making.Theproposdevaluationmethodandprocesscansereasareference for the operation capability evaluation of semi-submersible platforms in different seas.

Keywords：semi-submersible platform;operational capacity; air gap;global strength; South China Sea;stability

半潛式平臺(tái)作為深海油氣資源開發(fā)的主要裝備之一，具有優(yōu)異的運(yùn)動(dòng)性能、突出的惡劣海況適應(yīng)能力、顯著的大工作水深性能及卓越的高可變載荷等優(yōu)勢(shì)[1-2]。（剩余7327字）