CO2腐蚀模型的研究现状及发展趋势

235200512NaturalGasAndOilVol.23,No.5Dec.2005:2004210222;:2004212212:(19782),,,,:[phone]CO21,2,1,2,2,2,2(11,610063;21,610017):CO2,,,,H2S,CO2,:CO2;;:100625539(2005)0520023205:A0,CO2,,pH[1],CO2,,,EkofiskCO2,LN204P10521CO2[2]1995,CO21017[3],CO2,CO2,CO21CO2,CO2,CO2,,,,,CO22002,Ny2borg[4]CO2,CO2,,Nesic[5]CO2111,CO2,,i,E[5]:i=i010E-Erevb7nss=1(1-s)(1)+;-;ss;s©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[6]H+,H+H2CO3HAc;,H+(1)E,(3)[5]:6naa=1ia=6ncc=1ic(2)na,nc112CO2,(Fe2+),(H+),,([1]),,()(),,,,,,,j[5]:5(cj)5t=55x1.5Deffj5cj5x+Rj(3)cjj,kmolm-3;,Deffj=Dmj+Dtjj,m2s-1,DmjDtj;Rjj,kmolm3s-1;t,s;x,m,(4),,CRFe2+113,(heterogeneous,),()CO211311,:Rj=kf7nrr=1cr-kb7npp=1cp(4)kf,kb;cr,cp,jk,:Rj=ajkrk(5)ajk;rk[7]11312[7],,,RFeCO3(s)SKspTA/V:RFeCO3(s)=AVf(T)Kspf(S)(6)S=cFe2+cCO2-3Ksp(7)114,,,,,(),,,;,,,422005©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:55t=-MFeCO3(s)FeCO3(s)RFeCO3(s)-CR55x(8),(4),-(1)[8]115H2SH2SCO2,H2S,,H2S,,H2S,,H2S,[9],CO2,H2SCO2,H2S(3010-6)H2S(80),,H2SBrown[10]2080,CO20110.7MPa03m/s,,H2S(1010-6,,,:1-H2S=11+Ka/dcH2S+kccH2S(9)Ka/d;kcBorwn[11],2510-610010-6H2S,H2S,H2SCO2,116CO2,,CO2CO2,CrCO2,,Cr,CO2,[12],13Cr22CrCr,,,(T150),Cl-,H2S117CO2,,11711,,,,Nesic[5]:,,,,(1),:Ka/dCinh=1-e-f(10);cinh,;Ka/d,f11712,CO2,CO2,Castillo[13],/,:,,(),;,,,,Wicks52235,:CO2©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[14],Adamsetal[15]--:30%,;30%50%,;50%,Waardetal[16],Cai[17]Danieletal[18],,,,Nesic[5],,,(1)118,,,:;;;,;FeCO3,CO2,Kangetal[19]1999,Gunaltun[20]CO2,Pots[21],:()(scalingtendency)ST:ST=RFeCO3(s)CR(11)RFeCO3;CR,,,,,SunNesic[22],,,,,,Nesic[23],,(7)pHCO2,STSun[24]:ST013,,,;013ST3,,,;ST3,,,2,CO2,,,,CO2:a),,,,,,,,,b),H2SCO2,,,c)CO2,,622005©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:[1]SongFM,KirkDW,GraydonJW,etal.PredictionforCO2CorrosionofActiveSteelunderAPrecipitate[EB/CD].CORROSION,paperno.382,Houston:NACE,2004.[2],.[M].:,1999.16.[3],,,.23[J].,1999,18(3):227.[4]NyborgR.OverviewofCO2CorrosionModelsforWellsandPipelines[EB/CD].CORROSION,paperno.233,Houston:NACE,2000.[5]NesicS,XiaoY,PotsBFM.AQuasi22DLocalizedCor2rosionPredictionModel[EB/CD].CORROSION,paperno.626,Houston:NACE,2004.[6]GeorgeK,NesicS.ElectrochemicalInvestigationandModelingofCarbonDioxideCorrosionofCarbonSteelinthePresenceofAceticAcid[EB/CD].CORROSION,pa2perno.379,Houston:NACE,2004.[7]NordsveenM,NesicS,NyborgR,etal.AMechanisticModelforCarbonDioxideCorrosionofMildSteelinthePresenceofProtectiveIronCarbonateFilms2Partl:TheoryandVerification[J].Corrosion,2003,59(5):4432456.[8]NesicS,LeeKLJ.AMEchanisticModelforCO2Corro2sionofMildSteelinthePresenceofProtectiveIronCar2bonateFilms2Part3:FilmGrowthModel[J].Corrosion,2003,59(7):6162628.[9]ValdesA,CaseR,RamirezM,etal.TheEffectofSmallAmountsofH2SonCO2CorrosionofaCarbonSteel[EB/CD].CORROSION,paperno.22,Houston:NACE,1998.[10]BrownB,LeeKL,NesicS.CorrosioninMultiphaseFlowContainingSmallAmountsofH2S[EB/CD].CORROSION,paperno.341,Houston:NACE,2003.[11]BrownB,ParakalaSR,NesicS.CO2CorrosioninthePresenceofTraceAmountsofH2S[EB/CD].CORRO2SION,paperno.736,Houston:NACE,2004.[12]NyborgR,DugstadA.MesaCorrosionAttackinCarbonSteeland0.5%ChromiumSteel[EB/CD].CORROSION,paperno.29,Houston:NACE,1998.[13]CastilloM,RinconH,DuplatS,etal.ProtectiveProper2tiesofCrudeOilsinCO2andH2SCorrosion[EB/CD].CORROSION,paperno.5,Houston:NACE,2000.[14]WicksM,FraserJP.EntrainmentofWaterbyFlowingOil[J].MaterialsPerformance,1975,5(3):9212.[15]AdamsCD,GarberJD,WaltersFH,etal.VerificationofComputerModeledTubingLifePredictionsbyFieldData[EB/CD].CORROSION,paperno.82,Houston:NACE,1993.[16]WaardCde,SmithL,CraigBD.TheInfluentofCrudeOilonWellTubingCorrosionRates[CD].EURO2CORR,2001.[17]CaiJY,NesicS.ModelingofWaterWettinginOil2Wa2terPipeFlow[EB/CD].CORROSION,paperno.663,Houston:NACE,2004.[18]DanielK,FlrdE,JeanL,etal.TheCrudeOilEffectonSteelCorrosionWettabilityPreferenceandBrineChem2istry[EB/CD].CORROSION,paperno.366,Houston:NACE,2004.[19]KangC,GopalM,JepsonWP.LocalizedCorrosioninMultiphasePipelines[EB/CD].CORROSION,paperno.381,Houston:NACE,2004.[20]GunaltunYM.CombiningReseachandFieldDataforCorrosionRatePrediction[EB/CD].CORROSION,pa2perno.27,Houston:NACE,1996.[21]PotsBFM,HendriksenELJA.CO2CorrosionScalingConditrons2TheSpecialCaseofTop2of2LineCorrosioninWetGasPipelines[EB/CD].CORROSION,paperno.31,Houston:NACE,2000[22]SunY,GeorgeK,NesicS.TheEffectofCl-andAceticAcidonLocalizedCO2CorrosioninWetGasFlow[EB/CD].CORROSION,paperno.327,Houston:NACE,2003.[23]NesicS,NordsveenM,NyborgR,etal.AMechanisticModelforCO2CorrosionwithProtectiveIronCarbonateFilms[EB/CD].CORROSION,paperno.40,Houston:NACE,2001.[24]SunY,NesicS.AParametricStudyandModelingonLocalizedCO2CorrosioninHorizontalwetGasFlow[EB/CD].CORROSION,paperno.380,Houston:NACE,2004.72235,:CO2©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.