深海油氣田帶螺旋列板海底管道鋪設(shè)安裝工藝試驗研究

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Experimental study on installation technology of subsea pipelines with helical strakes in deepwater oil and gas fields

ZHANGXiaomin，WUShipeng，LIBin，GANHuiliang，LI Youhang，ZHAO Fuchen Installation Division， Offshore Oil Engineering Co.，Ltd.， Tianjin 30o452， China

Abstract：Basedonthecharacteristicsofteinstalltionofsubseapipelineswithhelicalstrakesindeepwateroilandgasfields，a pioneeredistaltintcholgyforsubseapipeliswitelicalstrakssdveloediCna.Tooptizethstalationpr， studywascondutedtoinvestigatethecompresiveperfomanceandinstalltionefciencyofhelicalstakesduringSshapedsubsea pipelineinstalltion.Atestingschemewasdesignedtoassessthepassigperformanceofelicalstrakes throughrollrsThetest involvedtwoscenarios：staticpassingthroughlongiudinaltansmissonolerswihoutlayingtensionanddynamicpassngthroughsten andstingerrolersuderlyingtesion，smuatingthactualtresconditiosandmovementprocesssofteelicalstraks.estudy verifiedteasibilitofttallotcsesdeitistalalaedald causesof installaiondamageandfactorsaffectinginstallaionefiencyBasedonthefindingsotimzationstrategiessuchas reinforcingteartingdptiingjoitcoctios，onrolingtetesionofidingstraps，ndiplemetingaualoatio modewereimplemented.Thesemeasuresnotonlyefectivelyreducedthedamagerateofthehelicalstrakesbutalsoimprovedthe instalationefiiencyofsubseapipenes，providingnwtechnalsolutionfortheinstalltinofsubseapipelineswithlicalstrkes in deepwater oil and gas fields.

Keywords：vortex-induced vibration;subsea pipeline;helical strake;installation test;S-lay installation

渦激振動（Vortex-InducedVibration，VIV）是深水油氣田開發(fā)中海底管道面臨的關(guān)鍵技術(shù)難題之一。（剩余4805字）