海上平臺井口高壓注氣配管設計

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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

海上低滲油藏注氣開發(fā)作為經(jīng)濟高效地動用低滲原油儲量的重要途徑之一，能夠有效提高渤海區(qū)塊稠油開采的驅(qū)油效率及采出率1。（剩余5367字）