深海采油相关材料高分子材料

系泊索材料介绍

MooringSystemsforDeepandUltra-DeepwatersChallengesandConcernsforSCMs:

HighavailablepayloadpenaltyonfloatingunitsbysubmergedweightofthemooringlinesHighcostofmooringlinesthatuseincreasingportionsoftheirstrengthjusttowithstandtheirownweightSevereimpactontheseafloorlayoutduetotheverylongmooringradiusandresultinglargefootprintAlternativeSolutionsinvolvingbothconceptsandmaterialsTautleg:25%costreductioncomparedtoconventionalall-steelcatenarysystemNeptuneSpar---1997系泊索•六条系泊索动态定位•每条系泊索都是“链-缆-链”结构,•下端为67m的锚链,与海底桩基相接•中间为733m的外包套螺旋绞合钢缆•上端是320m的锚链,通过导缆器与起链装置相连•锚链和钢缆的直径都是12cm,临界应力分别为12659kN和12232kNMadDogSpar系泊索--2004•尼龙塑料缆绳钢制系泊索结构•英国MarlowRopes公司制造•长度25609m，•临界断裂应力达到了18949kN（钢缆12659kN）MadDogSpar－尼龙缆绳的优点•重量平台有效载荷平台造价•造价安装和运输费用•耐腐蚀MadDogSpar－尼龙缆绳的缺点

抗蠕变性能差cost,environmentaldegradation,sensitivitytowearandabrasion,internalheatgeneration,creepruptureperformance,axialcompressionfatigue,mostimportantly,load-extensioncharacteristics.Syntheticpolyesterfibers:各种纤维的主要性能对比项目尼龙涤纶芳纶钢丝密度/（g/cm-3）1.141.381.447.185断裂强度/(cN·dtex-1)614~915613~9101718~1910314断裂伸长率/%16~227~17315~4117-215软化温度/℃230~235238~240--150℃收缩率/%5110.2-优点耐动态弯曲和磨损,耐碱,蠕变小,耐磨损,耐热,耐酸强度高,耐热、耐酸碱,尺寸稳定,不燃烧钢性大、模量高、伸长小、耐热缺点蠕变较大动态性能比尼龙略差对压缩敏感,吸能不及涤纶,耐热比重大不耐腐蚀深海采油软管发展历程深海采油软管发展历程US4417603-1983深海采油软管发展历程EXTERNALSHEATHTRACTIONARMOURPRESSUREARMOURPOLYMERICLAYERCARCASSFlexiblepipestructureJP4262190-1992深海采油软管发展历程FR2834038-2003深海采油软管发展历程WO03/044414-20031－软管：适合在海下不同深度输送油气产物3－主体管4－内层保护管5，6－压力增强层7，8－张力增强层9－外层保护管4－内层保护管作用：（1）粘结主体管3和压力增强层5；（2）主体管3破裂后，起到密封输送物作用；（3）缓冲应力；10104－内层保护管-----选材：PET作用：（1）粘结主体管3和压力增强层5；（2）主体管3破裂后，起到密封输送物作用；（3）缓冲应力，有适当的模量（4）耐热（5）价格9－外层保护管-----UHMWPE作用：保护内部管要求：耐腐蚀、耐磨、高强度、耐撕裂

OutrosdanosPetrobrasFlexibleStandardandSpecifications:Newdesigncriteriaforultra-deepwaters,specificationofmorerealisticloadcasesandcombinations(includingfatigue)morecomprehensivesetofprototypetestmethods.Collapseofflexiblepipes

Productionrisersandpipelinesforultra-deepwatersInfluenceofcorrosiondefectsontheburstpressureofpipelinesProductionrisersandpipelinesforultra-deepwatersInspectionandMonitoringDegradaçãoCamadaPoliméricaConectorSobbendstiffener

Avaliaçãodaviscosidadedonylon(APITR17RUG–AgeingofPA-11inFlex