:2002208220:(1969-),,,,:100023754(2002)0520063203,,(,163412):,:,;,,:60007000mg/L02000mg/L,;,,,;,,,,:;;;:P631182917:B2001,,:(1)(12);(2)(2),,,,1(1)(Cw)(Cmf),36215P1G1O1D1D1200210©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Ed),Ed=Kdlg(Cw/Cmf)(1)Ed,NaCl,18,Kd=-1116mV,,,,70008000mg/L,23004500mg/L,,,(1)1000mg/L,2500mg/L,,NaCl,3000mg/L,(1)-1012mV,-019mV,12/(gcm-3)/(m)/(mPas)1/(gcm-3)/(m)/(mPas)6070112571232112851738809011754165011704155020001161315551154411582001114331855114741252(2),,,,,,(Eda)Eda=Kdalg(Cw/Cmf)(2)Eda,-111658mV,,CwCmf,,(2)+5017mV,+416mV,,-6019mV,-515mV,CwCmf,(3)(pm)(pw),,,,,,,(Ef)Ef=KfpRmf/(3)p,MPa;Rmf,m;,Pas;Kf,mVp,,,,,:,,;,,;,,,,2,10,32202435,806m,(2),46P1G1O1D1D1215©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)2,,,622122136,1155g/cm31170g/cm3,,3,,,:(1);(2)3,,:,,,,,,,,3(1),(2)(3),CwCmf,pwpmpwpm,,(4):[1]1[M]1:,19861[2],1[M]1:,19811[3],1[M]1:,19821:(59)(4),(5),:[1]1[M]1:,19941[2]1[A]1SEG69[C]1:,20001[3],1[A]1[C]1:,19951[4]MIKEGALBRAITH1F2X[A]1SEG61[C]1:,19931[5],,1[A]1[C]1:,19951:56200210:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:idealmodel;polymerflooding;enhancedoilrecovery;potentialitypredictionArticleID:100023754(2002)0520056202TheApplicationofWave2equationDatuminVelocity2analysisCHENShu2Wen1,LIYa2Guang1,LIUHong2(11TheExplo2rationandDevelopmentResearchInstituteofDaqingOilfieldCom2panyLtd.,Daqing163712,China;21InstituteofGeologyandGeo2physics,ChineseAcademyofScience,Beijing100101,China)Abstract:ThemaintaskoffutureexplorationinDaqingOilfieldisdeeplayerexploration.Itisthekernelproblemtostudyfromnowthathowtoremovethebadinflections(suchasweaklyseismicsig2nals)todeeplayerpsexplorationfromupperlayers,howtoover2cometheharminginfectionfromtheupperlayerspspatialspeedva2riety,andtohavegoodseismicimageofcomplicatedgeologicalbody,especiallyindeeplayer.Itisthemaintopicofthispaperthathowtomakeanalysis2velocityindeepcomplicatedgeologicalbodyusingdatumtechnologybothinshotgatherandinreceivergatherfield.Aoperatorisgiveninthispaperthatcandealwithir2regularsurface,complicatedstructureandvariablevelocity,Itisbasedontheup2to2dateresearchresultsofdatumandprestackdepthmigration.Itisprovedbyapplicationandtheorythatthemethodhasabettereffectafterdatumingthanbeforedatuminginvelocity2analysis,especiallyincomplicatedgeologicalbodyorthereversalvelocitycase.Keywords:wave2equation;datum;continuation;irregularsurface;velocity2analysisArticleID:100023754(2002)0520058202HighResolutionSeismicDataProcessingGUOYong1,WANGYuan2bo2(11InformationandEngineer2ingInstituteofChengduUniversityofTechnology,Chengdu610059,China;21ExplorationandDevelopmentResearchInstituteofDaqingOilfieldCompanyLtd.,Daqing163712,China)Abstract:Higherrequirementisappearedfortheoilfieldexplo2rationreservoirinterpretation.Theconventionalseismicdatapro2cessingishardlysatistiedforhighresolutionseismicdataprocessingandinterpretation.Accordingtotherealseismicdatacharacteris2tics,weanalyzedafewkeyproblemsonthehighresolutionseicmicprocessingandgaveapracticalprocessflowforhighresolutionpro2cessing.TheDaqingoilfield3Dprocessedseismicdataresultprovesthattherearesomemoreclearreflectionevents,faultsandstablewaveformswithineachreflectionlayerontheseismicsection.Theyaresatisfiedforseismicdatainterpretation.Theapplicationalsoprovesthetechniqueandtheprocessflowweusedarecorrect.Keywords:seismicdataprocessing;prestacknoiseattenuation;residualstatics;deconvolution;velocityanalysisArticleID:100023754(2002)0520060203ChangingRulesofWellLogInterpretationPermeabilityinDif2ferentPeriodinDaqingPlacanticlineYANWei2lin,LIZheng2chen,SUYang(ExplorationandDe2velopmentResearchInstituteofDaqingOilfieldCompanyLtd.,Daqing163712,China)Abstract:InordertoknowthechangeofthereservoirpermeabilitywithwaterfloodoftheDaqingPlacanticline,toresearchthewater2floodcourseofthereservoir,tofindthedistributionofremainingoil,tomeettheneedofgeologicmodelandnumericalmodeling,toanalysisthereasonofthedifferenceoftheloginterpretationper2meabilityindifferentdevelopmentperiod,thepermeabilityofwa2terfloodexperiment,thepermeabilityofcoreanalysisandthewellloginterpretationpermeabilityareresearchedandcompared.Theresultsshowthatthereservoirpermeabilityincreasedwiththecourseofwaterflood,therearetworeasonsthatcausethedifferenceoftheloginterpretationpermeabilityindifferentdevelopmentperi2od,onereasonisthechangeofpermeabilitywiththecourseofwa2terflood;theothermoreimportantreasonisthediffere