半潜式钻井平台南海海域作业适用性评估方法与实践

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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

半潜式平台作为深海油气资源开发的主要装备之一，具有优异的运动性能、突出的恶劣海况适应能力、显著的大工作水深性能及卓越的高可变载荷等优势[1-2]。（剩余7327字）