海上平台井口高压注气配管设计

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Abstract：Tesafetyandstabilityofpipingdesignatofshoreplatfomwellheadsarecucialfortesafeoperationofthentireplatfo. Basedontheloadcharacteriticsandboundaryconditionsofhigpressuregasinjectionpipelinesforreciprocatingcompresos，is studyproposscorespondingguidelinesforoverallstressverificationanalysis，principlesforstressconditioncombinaion，and optimizeddesignmethodsforwelleadpiping.Takingthewellheadpipingdesignofagasinjectiondevelopmentpilotprojectforalowpermeabilityofshoreoilreservoirasanexample，thestudyconductsstaticstressandfatigueconditionanalysis，nozleandflange leakagenalsis，pipelinemodalandresoacenalysis，ndeyomponntacousticnducedvbrationanalysisforallizd high-pressuregasijectionpipelines.Theresearchshowsthatcontinuousstressconditionistekeycondition;thefirstordrnatural frequencyofthepipelinesystemiselativelylow，andmultiplenaturalfrequencisareprontooverlapwithteecitationfrequncyof thecompresorrefe，itisessaryiiteigspprtsdlottodetfreecyngdo itisnecessarytoconductanAIVanalysisofkeycomponentsinadvancetoscreenoutpipelineswiththeriskofvibration-induced failure，providing an important basis for detailed acoustic response stress analysis in the next stage.

Keywords：high pressure; gas injection; piping; stress; fatigue; vibration

海上低渗油藏注气开发作为经济高效地动用低渗原油储量的重要途径之一，能够有效提高渤海区块稠油开采的驱油效率及采出率1。（剩余5367字）