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201706163318。。1521#401#1∶1150×10-670℃。TE65AStudyonemulsifyingpropertiesanddemulsifierscreeningofagedoilinDaqingOilfieldLIANGXiaoHEFeng-yunDONGJingHELingCollegeofPetroleumEngineering,NortheastPetroleumUniversityDaqing163348,ChinaAbstract:Atpresent,China'smajoroilfieldshaveenteredthemiddleandlatestagesofdevelopment,thedif－ficultyofoilexploitationisincreasing,whilesomeofthecrudeoilisconvertedintoagingoilduetovariousrea－sons,whichisdifficulttodealwith.Therefore,itisofgreatsignificancetostudytheemulsificationpropertiesofag－ingoil.Inviewofthedifficultyofdehydrationofagedoil,thispaperanalyzesthereasonsforthedifficulttreatmentofagingoilbymicromorphologyobservationanddoublelayerpotentialdetection.The15kindsofdemulsifierarescreenedthroughlaboratoryexperiments,andtheresultsshowedthatthedehydrationeffectof21#and401#demulsifierisbetterthantheothers,andthebestratiois11.Theoptimumdemulsifierconcentrationis150ppm,theoptimumtemperatureis70℃.Keywords:agedoildemulsifierscreeningcompound、、、[1-6]。42×104t95%[7-9]。。11.1。1.0%~2.5%34~39℃3000m30.887kg·m-30.861kg·m-31000m30.852kg·m-3。0.841kg·m-3。。1.21OMECPIP9.0。2ZetaPALSDOI10.16247/j.cnki.23-1171/tq.201706412017-04-281992-。1965-198819962008。Sum261No.06ChemicalEngineer201706201706Zeta345℃45℃60℃、4000r·min-1、18min30%。22.1OMECPIP9.01。1Fig.1Microscopicobservationofagingoil6.82~13.69μm。W/OO/W/O。。2.2、。ZetaPALSZeta1。1ZetaTab.1ComparisonofZetapotentialbetweengeneraloilandagingoil13000m320mV3000m31000m3、。。33.1、。15。PT6682C、PT6682D、SP、TS-639-06、ZR1909、XN-38#、XN-1111#、ZR1159#、10#、17#、21#、27#、28#、401#。215Tab.2Finalwaterremovalof15kindsofdemulsifier。21#401#。。3.221#401#1∶1、2∶3、3∶2、1∶2、2∶1、1∶3、3∶1。760min23。-14.78-27.91-32.71-43.60/mV1000m33000m3/mL/mL22725PT6682C7.52829PT6682D2340130TS-639-0625ZR19096926ZR115241020XN-38#51717XN-1111#5.52130SP274220170621#∶401#=1∶121#∶401#=2∶321#∶401#=3∶221#∶401#=1∶221#∶401#=2∶121#∶401#=1∶321#∶401#=3∶12Fig.2Oil-waterseparationinterface10203040506035302520151050/mL/min21#/401#=1∶121#/401#=2∶321#/401#=3∶221#/401#=1∶221#/401#=2∶121#/401#=1∶321#/401#=3∶137Fig.3Comparisonofdehydrationeffectof37groupsofdemulsifier3,21#401#1∶1。3.33.3.1100mL30%21#401#=1∶1100×10-6、150×10-6、200×10-6、250×10-6。70℃3。370℃Tab.3Dehydrationeffectofdifferentemulsionconcentrationatdifferentsettlingtimeat70℃380%。150×10-6。3.3.2。60~75℃。4Fig.4curveofdehydrationatdifferenttemperatures470℃。150×10-670℃。41、、。2、。31521#401#。21#401#1∶1。70℃150×10-6。/mL·min-1/mL×10-6102030405060701000.39202727272721500.4112429303030120017.5202829292912500.8102026272727310203040506035302520151050/mL/min60℃65℃70℃75℃2843201706!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!431,,,.J.,2010,3:337-341.2,,,.J.,2010,6:100-102129.3.D.,2013:19-22.4,,,.J.,2012,1:131-134142.5,,.J.,2011,5:17-21.6,,.J.,2012,5:36-39.7,.J.,2008,2:19-2128.8,.J.,2003,12:7.9.J.,2014,12:47-48.35302520151050/mN·m-1-0.020.000.020.040.060.080.100.120.14/%CTABDOOCTABENVRONMENTCTAB-1DOO8CTAB//CTAB-1//Fig.8Interfacialtensionasafunctionofconcentrationofsurfactant8。CTAB-1CTAB。。。。。CTAB-1。3。CTABCTAB-1。CTAB-1CTABCTAB-1、。、、。1.J.20082846-13.2ADIBHATIABMOHANTYKK.Simulationofsurfactant-aidedgravitydrainageinfracturedcarbonatesZ.SPE1061612007.3GUPTARADIBHATLABMOHANTYKK.Parametricstudytoenhanceoilrecoveryratefromfracturedoil-wetcarbonatereservoirsZ.SPE1164852012.4STANDNESDCLESLIEADCHENHunglungetal.Anevalua-tionofspontaneousimbibitionofwaterintooil-wetcarbonatereser-voircoresusinganonionicandacationicsurfactantJ.EnergyFu-els,2002,166:1557-1564.5LAWSONJBTheadsorptionofnon-ionicandanionicsurfactantonsurfactantsonsandstoneandcarbonateZ.SPE70521987.6MICHELAMDJOJOSOEPARTORSHAASHetal.EnhancedwaterfloodingdesignwithdilutesurfactantconcentrationsfornorthseaconditionsZ.SPE353721996.7MAERKERJMGALEWW.SurfactantfloodprocessdesignforLoudonZ.SPE202181992.8CHENGAMKWANJT.OptimalinjectiondesignutilizingtracerandsimulationinasurfactantpilotforafracturedcarbonateYatesfieldZ.SPE1542702012.9MayoralE,GoicocheaA.G.Modelingthetemperaturedependentin-terfacialtensionbetweenorganicsolventsandwaterusingdissipativeparticledynamics.J.Chem.Phys.2013138:094703.10YDHe,YHTang,XLWang.Dissipativeparticledynamicssimula-tiononthemembraneformationofpolymer-diluentsystemviathermallyinducedphaseseparation.FuelandEnergyAbstracts2011368:78-85.CTAB-1*28