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2363(()):,,2004,23(6)14,ASMEB31GDNV,,,,,,,,,,,,,,,,,ASMEB31GDNVF101RSTRENG,ASMEB31GDNVF1011ASMEB31G1,,:z=p-pl(1)p,Pa;pl,Paz,L50Dt:p=2Ft(SMYS+1000)D1-0.85dt1-0.85dt1+0.6275L2Dt-0.003375L4D2t2-1/2(2)L50Dt:p=2Ft(SMYS+1000)D1-0.85dt1-0.85dt0.032L2Dt+3.3-1(3)F;t,mm;D,mm;SMTS,Pa;L,mm;d,mm,3102249,18;:(010)897338041(T0)d0L0,T0TRd,Rl,T:d=d0+Rd(1+CoV)(T-T0)(4)L=L0+Rl(1+CoV)(T-T0)(5)CoV,,,RdRlCoV00.5,0.5,50%,,CoV,,,CoV,,(4)(5)(2)(3),T,(1),J2CMonteCarlo,2DNVRPF1012DNVRPF101BGTechnologyDNV,:g=YmodelP0R-Pint(6)P0=u2tD-tR=(1-d/t)1-(d/t)QQ=1+0.31LDtP0,Pa;Pint,Pa;R;Q,kg/s;Ymodel,(4)(5),10%3R(RdRl),R211(cm)(mm/a)100,1.010010000.5100050000.25000200000.120000500000.05500000.05,,,,,,,,,,,,,,T1T2T3,22004V3:V3=V1-V2T1-T2(T3-T2)(7)V1;V2,,(),,,:CoF=(1-k)QtC+T+R+S(8)CoF,;Q,kg/s;t,s;k;C,/kg;T,;R,;S(AOPL),19952000,43.4%,90%AP1P0h,3,:Q=CdAP12(P1-P0)P1+2gh(9)Cd,0.60.64;g,m/s2,,,,,(UKOPA)52000km,,242(mm)(/(kma))1060.50410-40.69226200.11210-40.154320500.09610-40.1324500.01610-40.022500,n(n=1,2,3,4)Qn:Qn=Cdfnd2n4P12(P1-P0)P1+2gh(10),dn,Qyq:Qyq=Q1+Q2+Q3+Q4(11)t,,,,,,3199820023,51471,18.413236:319982002(km)()()()(m3)(m3)(/(kma))1998263179153266286479623733.496655.810-419992522691684208710856026589.7166136.710-4200024896514714179468129173006.690715.910-420012550091290102529675115609.0122875.110-42002259353139003199518715443.8125955.410-4,,,,,,,,,,3,1998200210-4,10-5/(kma),10-4/(kma)10-5/(kma),,,,,,445(/(kma))3410-52310-41210-3,,,,11,,,,,,1,OlaHBjornoyetal:Risk2basedinspectionprinciplesandtheirapplica2tiontocorrodedpipelines,Pipes&PipelinesInt.2001,46(5).2,SimonThomasMJJetal:Deterministicpipelineintegrityassessmenttooptimizecorrosioncontrolandreducecost,NACECORROSION2002.3,():,(),20004,TheUKOPApipeline-faultdatabase:Pipelineproductlossincidentstotheendof1998,Pipes&PipelinesInt.2001,46(2).5,JaneDawsonetal:Ensuringconsistentfactorsofsafetyintheassessmentofcorrodingpipelines,NACECORROSION2002.(:2004203201):42004,1957,1982(),(),1961,1985,,1975,1997(),,(),1958,1982,1975,1997,(),,1978,2002(),,,200451973,1997,,1972,1994,,1970,1998(),,,1966,1988,1993,,,,,1962,1982,1995(),(),1963,1984(),,,1967,2002,,,1974,1997,,1968,1993,,1968,1993,(),1971,1992,(),1968,1990(),95233OIL&GASSTORAGEANDTRANSPORTATION(MONTHLY)Vol.23No.6(TotalNo.186)Jun.25,2004CONTENTSANDABSTRACTSOVERVIEWHUANGWeihe:ARiskAssessmentMethodofCorrodingoilPipelines,OGST,2004,23(6)14.Theriskassessmentmethodoncorrodedoilpipelinefailurewithanalyticsolutionisintroducedindetail.Ontheba2sisofASMEB31GandDNV,acalculationmodelonfailureprobabilityofcorrodedpipelineisestablished.Combiningthestatisticaldataofpipelineaccidentsabroad,theconsequenceassessmentmodelissetupbyapplyingBernoulliequa2tion.Inthispaper,themethodtoestablishacceptablestandardofriskisdescribed.SubjectHeadings:oilpipeline,corrosion,mathematicalmodel,risk,assessmentZOUXiaobo,YUANChongfuetal:TheestablishmentofPetroleumReserveSecuritySystem,OGST,2004,23(6)56.ThestatusquoinproductionandconsumptionofpetroleuminChinaisanalyzed.Thestudyontherelativecondi2tionsandrequirementsinestablishingpetroleumreservesecuritysysteminChinawithChinesefeaturesiscarriedout.Itispointedoutthattheestablishmentofpetroleumreservesecuritysystemisalong-termfundamentalconstructionprojectneededtocontinuouslystudyanddevelop.SubjectHeadings:petroleumreserve,corrosion,securitysystem,establishment,developmentTRANSPORTATIONPROCESSSUNQingfengandWUChangchun:AnalysisoftheOptimalSchemesfortheSteadyOperationofDaqingtoTielingParallelOilPipelineSystem,OGST,2004,23(6)714.DaqingtoTielingParallelOilPipelineisthelargestoilpipelinesysteminChina.Itisofgreatsignificancetoen2hancetheeconomyofthesystembyoptimizingoperationtoreducetheenergycost.Inthispaper,theoptimalschemeforthesteadyoperationofthesystemiscomputedandanalyzedforthegivenflowratesbymeansofQTOPT,asoftwaredevel2opedbyourselvesspeciallyfortheoptimalsteadyoperationofDaqingtoTielingoilpipelinesystem.Somefundamentalrulesfortheoptimaloperationarefoundfromthecomputedresults.Comparedwithpracticaloperationscenarios,itshowsthattheoptimaloperationwillreduceenergycostofthesystemtosomeextent.SubjectHeadings:oilpipeline,steadyoperation,optimaloperation,analysis2