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1、IFEDC2015442微纳米喉道非线性渗流特征的耗散粒子动力学模拟安娜，曹仁义，田虓丰中国石油大学（北京）石油工程学院，北京，102249DPDSimulationofNonlinearPercolationCharacteristicsinMicro-nanoThroatAnNa,CaoRenyi,TianXiaofengCollegeofPetroleumEngineering,ChinaUniversityofPetroleum(Beijing),Beijing,102249,ChinaCopyright2015,ShaanxiPetroleu
2、mSocietyThispaperwaspreparedforpresentationatthe2015InternationalFieldExplorationandDevelopmentConferenceinXi’an,China,20-21September2015.ThispaperwasselectedforpresentationbytheIFEDCCommitteefollowingreviewofinformationcontainedinanabstractsubmittedbytheauthor(s).Contentsofthep
3、aper,aspresented,havenotbeenreviewedbytheIFEDCCommitteeandaresubjecttocorrectionbytheauthor(s).ThematerialdoesnotnecessarilyreflectanypositionoftheIFEDCCommittee,itsmembers.PaperspresentedattheConferencearesubjecttopublicationreviewbyProfessionalCommitteeofPetroleumEngineeringof
4、ShaanxiPetroleumSociety.Electronicreproduction,distribution,orstorageofanypartofthispaperforcommercialpurposeswithoutthewrittenconsentofShaanxiPetroleumSocietyisprohibited.Permissiontoreproduceinprintisrestrictedtoanabstractofnotmorethan300words;illustrationsmaynotbecopied.Theab
5、stractmustcontainconspicuousacknowledgmentofIFEDC.Contactemail:info@ifedc.org.AbstractTightreservoirisrichinnano-throatandtherearestrongnonlinearpercolationcharacteristicsintightreservoir.Atpresent,physicalmodelingcannotreachnano-range.Therefore,numericalsimulationmethodcanbecon
6、sideredtostudynonlinearpercolationcharacteristicsintightreservoir.ThepapermadenumericalmodelingofmicrometertubeexperimentusingDissipativeParticleDynamics(DPD)method.Firstly,theoriginalDPDforcefieldwasrebuiltaccordingtotheinteractionmechanismbetweensolidandliquid.Thenrelevantpara
7、meterswerecalculatedbasedonmicroscopictheories.Themodelwasbuiltandrunthroughprogramming,andflowinginmicro-nanothroatwassuccessfullysimulated.Throughmicrocosmicnumericalmodeling,thepapertentativelyuncoveredthemechanismofboundarylayerinmicro-nanothroat,anddescribedtheboundarylayer
8、characteristics.Thestudyissignificanttomicroflo
