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CO2H2S1223(1.CNPC2.3.)CO2H2S,CO2H2SNT80SS:H2SCO2Cl-,;,H2SCO2,CO2FeCO3,H2SFeCO3FexSy,,FexSy,CO2-H2SCO2H2SCl-,,,,H2SCO2,H2SCO2,,H2S,,,,H2SCO2,1,5%NaCl(Cl-:3.24104mg/l),NT80SS,11(MPa)()Cl-(104mg/l)PH2S(MPa)PCO2(MPa)8.0803.240.100.240.050.51,2,,,,,,,,2,MPa,mm/aH2SCO20.10.052.76170.97240.240.052.15350.68520.10.57.49831.70400.450.65.43580.7230,,35%,,1,0.1mm/a,,,,,,312343,,,,,,2CO2-H2S,(FexSy)FeCO3FexOy,,,X(XRD),,,,,,(SEM),,SEMXRD,[1]33XRDSEM1Fe9S8PH2S=0.24MPaPCO2=0.05MPa2Fe9S8FeSPH2S=0.24MPaPCO2=0.05MPa3Fe9S8FeSPH2S=0.10MPaPCO2=0.05MPa4()Fe9S8FeS2Fe1-xSPH2S=0.45MPaPCO2=0.67MPa5-FePH2S=0.45MPaPCO2=0.67MPa6-FePH2S=0.1MPaPCO2=0.05Mpa7-FePH2S=0.1MPaPCO2=0.05MPaXRD,,,567,,3[12],,,floating,,Gamrycm300,float2ing,,floatingfloating,floating23P8.3MPat805%NaClPH2S0.1MPaPCO20.05MPa,NT80SS48hNyquistBode4NyquistNyquist:(1),,4,4(2)RrCd,,412CO2H2S2005(3)4(1),,CO2HCO3-,FeFe(HCO3)2,FeCO3,H2S,FeCO3,FexSy,FexSy,,FexSy,,Nyquist(2),FexSy,,FexSyFexSy,,,,,(3)-,,,CO2,,H2S,FexSy,,,,1,.[M].:,,19963,145-1892.[M].:.198512,215-273:,1963,,,,:2005-03-10:2005-03-17:USA(ULSG)1010-6(w),,ULSG,ULSG,(3080)10-6(w)(EPA)3010-6(w)33010-6(w),90%69/gal8670m3/d,2890m36590HydrocarbonEngineering,2005,10(2),,(NGL),NGL,NGL,NGL,,(MDEA),H2S(ABC)HydrocarbonEngineering,2005,10(2)512343BA:MAA)is4337,thegrossmassofmonomersis44gandtheinitiatoris1.0g.Andwhentheconcentrationofdemulsifieris300mg/L,thedehydrateratereaches45%.Keywords:copolymerization,demulsifier,synthesisTheExperimentResearchofACorrosionMechanismabouttheTubeinCO2andH2SEnvironmentJiangFang1,DaiHaiqian2,CaoXiaoyan2,HuangHongbing3(1.ChemicalEngineeringInstituteofSichuanUniversity/TheKeyLaboratoryforMechanicalandEnvi2ronmentBehaviorofTubularGoods,CNPC;2.PetroChinaEngineeringDesignCompany;3.RINGT,PetroChinaSouthwestOil&GasfieldCompany).CHEMICALENGI2NEERINGOFOIL&GAS,VOL.34,NO.3,pp213215,2005(ISSN1007-3426,INCHINESE)Abstract:ThepaperstudiedthesimulatedNT80SStubecorrosionproductlayerandtheweight-losscorro2sionintheautoclavedownholeCO2andH2Senviron2ment.TheconclusionisreachedthatthenatureoftubecorrosioninvaporphaseisscalecorrosionandgeneralcorrosionprevailsinthesolutioncontainingH2S,CO2andCl-.TheH2SandCO2playdifferentrolesinthecorro2sionprocess:theFeCO3isformedduetoCO2inthesolu2tionreacttoFe,andtheFeCO3reactstoH2Sinthesolu2tiontoproducethemorestableFexSy.SomeoftheFexSybafflethetransitionofionsforcorrosionactionintheso2lution.Theaveragecorrosionrateinvaporphaseisgrea2terthaninthesolutionbecausethecorrosioninavaporisthelocalcorrosionunderscale.Keywords:corrosionproductlayer,CO2-H2S,electrochemicalcorrosion,highpressureandhightemper2atureTestingMethodforOnlineGCinFieldNaturalGasQiuFengchun1,ChiYongjie2,ZhangYi3,etal.(1.ChengduVerificationBranchforNaturalGasFlowrateofNationalCrudeOilLargeFlowrateCalibrationStation;2.RINGT,PetroChinaSouthwestOil&GasfieldCompany;3.NationalInstituteofMeasurementandTestingTechnol2ogy).CHEMICALENGINEERINGOFOIL&GAS,VOL.34,NO.3,pp216218,2005(ISSN1007-3426,INCHINESE)Abstract:ThispaperintroducestheverifyingandtestingmethodusedforonlineGCinnaturalgascustodymeasurementstation,whichisbasedontheJJG700-1999,GB/T13610andISO10723,andconsideringtheonlineGC’sspecificity.Thereare8testingitemsinthemethod,6ofwhichbelongtoJJG700-1999normalver2ifyingitems,and2ofwhicharepeakresolutionandanal2ysisaccuracyprescribedinGB/T13610andISO10723.ThismethodcannotonlysatisfythedemandofverifyingonlineGCinfield,butalsoprovidetheguidanceforcheckingandacceptingonlineGCinfield.Keywords:onlineGC,test,quantifyingrepeatabili2tyDeterminationofTraceCo2+withSpectrophotometryafterResin-phaseAbsorb5-Br-PADAPColoredSystemWuLixiang,DuHui(PetrochemicalEngineeringFaculty,LiaoningUniversityofPetroleum&ChemicalTechnology).CHEMICALENGINEERINGOFOIL&GAS,VOL.34,NO.3,pp219220,2005(ISSN1007-3426,INCHINESE)Abstract:Co2+incrudeoilisdeterminedbyresin-phasespectrophotometrywithcoloredsystemof5-Br-PADAP.Themaximumabsorptionwavelengthis600nm.Beer’slawisobeyedwhentheCo2+amountis0to0.2mg/L.Theapparentmolarabsorptioncoefficientis2.254105L/(molcm).Thecorrelationcoefficientis0.9999.IonsofNi2+Cu2+Fe3+V5+Cr3+Al3+aremaskedbytriethanolamineandsulfourea.Therecoveryofsyntheticsampleisfrom96.89%to97.53%,andRSDislessthan0.24.Co2+contentinFuyucrudeoilandDaqingresidualoilaredeterminedbythemethod,whoseRSDis1.66%and0.94%respectively.Therecoveryofaddedstandardisfrom96.85%to101.01%andfrom95.31%to101.90%,respectively.Theresultsshowthatthemethodisofhighsensitivity,highaccuracyandgoodselectivity.Keywords:resinphase,absorption,5-Br-PADAP,spectrophotography,crudeoil,Co2+TheExperimentalInvestigationofDrillingWasteSlurriesSolidificationwithPhosphogypsumandCin2derAshLiRuilong,XiaSulan,ZhuJiahua,etal.(SchoolofChemicalEngineering,SichuanUniversity).CHEMI2CALENGINEERINGOFOIL&GAS,VOL.34,NO.3,pp225227,2005(ISSN1007-3426,INCHINESE)Abstract:Theexperimentalinvestigationwasmadetothesolidificationofdrillingwasteslurriesaddedwithphosphogypsumandcinderashes.Thesetwoindustrialwasteswillbeactivatedandhydratedwithcementandcalciumoxide.Theformedconcretehaveaporousframe2workwithamechanicstreng