系泊索材料介紹

MooringSystemsforDeepandUltra-DeepwatersChallengesandConcernsforSCMs:

HighavailablepayloadpenaltyonfloatingunitsbysubmergedweightofthemooringlinesHighcostofmooringlinesthatuseincreasingportionsoftheirstrengthjusttowithstandtheirownweightSevereimpactontheseafloorlayoutduetotheverylongmooringradiusandresultinglargefootprintAlternativeSolutionsinvolvingbothconceptsandmaterialsTautleg:25%costreductioncomparedtoconventionalall-steelcatenarysystemNeptuneSpar---1997系泊索?六條系泊索動(dòng)態(tài)定位?每條系泊索都是“鏈-纜-鏈”結(jié)構(gòu),?下端為67m的錨鏈,與海底樁基相接?中間為733m的外包套螺旋絞合鋼纜?上端是320m的錨鏈,通過導(dǎo)纜器與起鏈裝置相連?錨鏈和鋼纜的直徑都是12cm,臨界應(yīng)力分別為12659kN和12232kNMadDogSpar系泊索--2004?尼龍塑料纜繩鋼制系泊索結(jié)構(gòu)?英國MarlowRopes公司制造?長度25609m，?臨界斷裂應(yīng)力達(dá)到了18949kN（鋼纜12659kN）MadDogSpar－尼龍纜繩的優(yōu)點(diǎn)?重量平臺(tái)有效載荷平臺(tái)造價(jià)?造價(jià)安裝和運(yùn)輸費(fèi)用?耐腐蝕MadDogSpar－尼龍纜繩的缺點(diǎn)

抗蠕變性能差cost,environmentaldegradation,sensitivitytowearandabrasion,internalheatgeneration,creepruptureperformance,axialcompressionfatigue,mostimportantly,load-extensioncharacteristics.Syntheticpolyesterfibers:各種纖維的主要性能對(duì)比項(xiàng)目尼龍滌綸芳綸鋼絲密度/（g/cm-3）1.141.381.447.185斷裂強(qiáng)度/(cN·dtex-1)614~915613~9101718~1910314斷裂伸長率/%16~227~17315~4117-215軟化溫度/℃230~235238~240--150℃收縮率/%5110.2-優(yōu)點(diǎn)耐動(dòng)態(tài)彎曲和磨損,耐堿,蠕變小,耐磨損,耐熱,耐酸強(qiáng)度高,耐熱、耐酸堿,尺寸穩(wěn)定,不燃燒鋼性大、模量高、伸長小、耐熱缺點(diǎn)蠕變較大動(dòng)態(tài)性能比尼龍略差對(duì)壓縮敏感,吸能不及滌綸,耐熱比重大不耐腐蝕深海采油軟管發(fā)展歷程深海采油軟管發(fā)展歷程US4417603-1983深海采油軟管發(fā)展歷程EXTERNALSHEATHTRACTIONARMOURPRESSUREARMOURPOLYMERICLAYERCARCASSFlexiblepipestructureJP4262190-1992深海采油軟管發(fā)展歷程FR2834038-2003深海采油軟管發(fā)展歷程WO03/044414-20031－軟管：適合在海下不同深度輸送油氣產(chǎn)物3－主體管4－內(nèi)層保護(hù)管5，6－壓力增強(qiáng)層7，8－張力增強(qiáng)層9－外層保護(hù)管4－內(nèi)層保護(hù)管作用：（1）粘結(jié)主體管3和壓力增強(qiáng)層5；（2）主體管3破裂后，起到密封輸送物作用；（3）緩沖應(yīng)力；10104－內(nèi)層保護(hù)管-----選材：PET作用：（1）粘結(jié)主體管3和壓力增強(qiáng)層5；（2）主體管3破裂后，起到密封輸送物作用；（3）緩沖應(yīng)力，有適當(dāng)?shù)哪Ａ浚?）耐熱（5）價(jià)格9－外層保護(hù)管-----UHMWPE作用：保護(hù)內(nèi)部管要求：耐腐蝕、耐磨、高強(qiáng)度、耐撕裂

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

Productionrisersandpipelinesforultra-deepwatersInfluenceofcorrosiondefectsontheburstpressureofpipelinesProductionrisersandpipelinesforultra-deepwatersInspectionandMonitoringDegrada??oCamadaPoliméricaConectorSobbendstiffener

Avalia??odaviscosidadedonylon(APITR17RUG–AgeingofPA-11inFlex