城市燃气管道事故综合风险评价

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(:50704041)(:KJ060408):,1975,,;:(400074)66:[phone],15922648960E2mail:[e-mail]31,2111.2...,2009,29(2):982101.,,,,,;;,DOI:10.3787/j.issn.100020976.2009.02.028,,,,,11.1,,,,:RP,s(x,y)=fsvses(1-h)(1):RP,s(x,y)(x,y)s,;fss;vss(x,y),;ess;h,,0.10.3,,,,,:RN,s(x,y)=RN,s(x,y)P(2):RN,s(x,y)(x,y)s,;P(x,y)1.21.2.1[1],8920092©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],,[3],5.7510-4,5.7510-41.2.2:0.80.10.060.04[4],1[526]119701992(mm)(%)/(20)2.7(20)1.9(406)9.9(406)23.51.31.3.1,,[Qm(t)]:Qm(t)=-VPd(t)dt(3):Vp,m3;,kg/m3;t,s(Qh)[7]:Qh=CP2AhMZRT22+1+1-1(4)[7]:Qh=Cp2Ah2MZRT2-1pap22-pap2+1(5):C;p2,Pa;Ah,m2;M,kg/kmol;Z;R;T2,;;pa,Pa(CPR)[728]:CPR=papc=2+1-1(6):;pc,Pa[8][9],,pT:dpdt=--1p0,sub(-1)/(-1)Qm0,subm0,subp1/pp0,sub(-2)/1T0,subpp0,sub(-1)/-pap0,sub(-1)/1/21-pap0,sub(-1)/-1/2(7):sub,pT,pT(6),(Qm0,sub)1.3.2,,,111.3.2.1,,,,,,,(8,,)c(x,y,z,t)=t0Q(t-t)[83(t-t)KxKyKz]1/2exp-[x-u(t-t)]24Kx(t-t)exp-[y-v(t-t)]24Ky(t-t)exp-[z-w(t-t)-H]24Kx(t-t)+exp-[z-w(t-t)+H]24Kx(t-t)dt=t0Q(t-t)(2)3/2xyzexp-[x-u(t-t)]22x299292©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[y-v(t-t)]22y2exp-[z-w(t-t)-H]22z2+exp-[z-w(t-t)+H]22z2dt(8):t,t:c(x,y,z,t,t)=t0Q(t)(2)3/2xyzexp-[x-u(t-t)]22x2exp-[y-v(t-t)]22y2exp-[z-w(t-t)-H]22z2+exp-[z-w(t-t)+H]22z2dt(9)Q,;,,():CM(t,tj)=Q(tj)(2)3/2xyzexp-[x-u(t-tj)]22x2exp-[y-v(t-tj)]22y2exp-[z-w(t-tj)-H]22z2+exp-(z-w(t-tj)+H)22z2(10),H=0,1.3.2.2,,,(10),1.4,,,,,1,()3,,,,,[4][10],:I=QH4r2(11):I=QHc4r2(12):I;Q,,;;r;,r,r,Pietersen[9],[1]:Pr=17.73+3.4ln(Qr-2)(13)1.5,,,,[7],,,[9]:ln(ps/p0)=0.9126-1.5058ln(R)+0.1675ln2(R)-0.032ln3(R)(14)ln(is/E01/3)=-1.5666-0.8978ln(R)-0.0096ln2(R)-0.0323ln3(R)(15):ps,p0,is,E0,R:E0=WQC(16)R=R(E0/p0)-1/3(17):W,QC,R00120092©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[9]:Pr=5.0-8.49ln[2.43103/ps+4108/(psis)](18):Pr,,50%Pr=5;psis22.150m,210mm,0.84MPa,,,,5min75m,3000/km22.2[10],10-6,(23),,,86m,75m,,23,,,,31)2)3),4),,,[1],.[J].,2006,39(6):31236.[2]SPYROSS,FOTISR.Estimationofsafetydistancesinthevicinityoffuelgaspipelines[J].JournalofLossPre2ventionintheProcessIndustries,2006,19(1):24231.[3]MORGANB.Theimportanceofrealisticrepresentationofdesignfeaturesintheriskassessmentofhigh2pressuregaspipeline[C]5thInternationalConferenceandExhi2bitionPipelineReliability.Houston:[s.n.],1995.[4],,.[J].,2006,26(1):1202122.[5],.19701992[J].,1997(5):56258.[6],.[J].,2006,13(4):53255.[7].[J].,2007,29(2):1032109.[8]JUANAUANA,VICHEZ,JOAQUIMC,etal.Mathe2maticalmodelingofaccidentalgasreleases[J].JournalofHazardousMaterials,1998,59(2/3):2112233.[9]WOODWARKJL,MUDANKS,Liquidandgasdis2chargeratesthroughholesinprocessvessels[J].JournalofLossPreventionintheProcessIndustries,1991,4:1612165.[10]BOTTELBERGHSPH.RiskanalysisandsafetypolicydevelopmentsintheNetherlands[J].JournalofHazardsMaterials,2000,71(1/3):59284.(2008212225)101292©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:InstituteofDrillingEngineering,SouthwestBranch,Sinopec,No.298,NorthLongquanshanRd.,Deyang,SichuanProvince618000,P.R.ChinaTel:[phone]E2mail:[e-mail]lugremovalingaswellboreZHANGYao2gang1,WUXin2min1,LIANGMing2,LIZhi2,HAOXiao2yun2(1.XianShiyouUniversity,Xian710065,China;2.No.1OilRecoveryPlant,CNPCChangqingOil2fieldCompany,Jingbian717405,China)NATUR.GASIND.VOLUME29,ISSUE2,pp.95297,2/25/2009.(ISSN100020976;InChinese)ABSTRACT:HighsalinityformationwaterisproducedinthepartialblocksoftheJingbiangasfieldandcorrosioninhibitorisinjectedintowellboreperiodically,seriousscalingandpluggingalwayshappenwithinproductionstringwiththeincreaseofproductiontime,whichrestrictsthenormalproductionofgaswellsorevencausesoutputreductionandoffproduction.Throughanalyzingpluggingreasonanditsmechanism,thespecialagentssuitabletoremoveplugintheSebeigasfieldarese2lected.Thelaboratoryevaluationandfieldtestarealsodone,whichachievesgoodeffectandprovidesefficienttechnologyforpluggingremovalofthesimilargaswells.KEYWORDS:Jingbiangasfield,pluggingremoval,technology,technique,applicationDOI:10.3787/j.issn.100020976.2009.02.027ZHANGYao2gang(engineer),bornin1971,andisstudyingforhisM.Scdegree,beingengagedinnaturalgasdevelopment.Add:No.1OilRecoveryPlant,CNPCChangqingOilfieldCompany,Jingbian,ShannxiProvince817500,P.R.ChinaTel:[phone]E2mail:[e-mail]smentofurbangaspipelinefailureaccidentsZHANGFu2ren1,2,DENGPan2pan1,ZENGXiao2yan1(1.SchoolofMechanicalandElectricalEngineering,ChongqingJiaotongUniversity,Chongqing400074,China;2.MinistryofEducationKeyLaboratoryofEco2environmentsinThreeGorgesReservoirRegion,ChongqingUniversity,Chongqing400715,China)NATUR.GASIND.VOLUME29,ISSUE2,pp.982101,