低渗透储层非达西渗流机理探讨

:2004-08-30;:2004-09-23:(1976-),,1999(),,:010-89734268;010-89734265;E-mail:lizhongfeng1@sina1com,lizhongfeng0@sina1com:1006-6535(2005)02-0035-04,(,102249):,,:;;;;;;:TE311:A1:,,:;,1:A,AD,DEDCDE,(DE)(DC),1Fig.1Lowpermeabilitynon-Darcypercolationcurve,,,20,,2,,,,,AlvaroPrada[1][2][3],:,,,(),21112220054SpecialOilandGasReservoirsVol112No12Apr12005©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4]:r=8K/(1):r,m;K,10-3m2;,%(1),,rK[4,5]:r=0135K0152(2)[6],,:,,,,,,,,,212J1Bear[7],,,,[4],,,,,,:S=2K(3):S,1/cm,,,,,,,,,3311,,[8],,,,,,,,,,,,,,,,,[9]312,,Miller,P1[10],,,2,2,,,,,,,,,,,,6312©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4],,,,,[10],:EslmK-1/21Rx(4):Eslm,J;Rx,m(4):,,,;,,,313,[4],01075m,012015m,10m,160m[11]Langmuir(1916)[5],,011m;01183168m[12],,,1010-3m2,1112m,,,4,:,,,,[4],,0,,[13],,,,,,,,,,,,,[14],,Bingham,,,:pL=Kv+pv0pLpv=0(5):p,MPa;L,m;,mPas,,,,,732:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,:[15,16][17],2:;:[1]AlvaroPrada,FarukCivan.ModificationofDarcyslawforthethresholdpressuregradient[J]1JournalofPetroleumSci2enceandEngineering,1999,22(4):237240.[2].[C].:,1993:9195.[3],,,.[J].,1999,23(2):8285.[4],.[M].:,1998:5999.[5],.[M].:,1997:39152.[6].[M].:,1999:2530.[7]BearJ.:,.[M].:,1983:97.[8],.[M].:,2001:3656.[9].[M].:,2000:3149.[10]CA,P,:,.[M].:,1992.[11],,.[J].,1998,25(2):4651.[12].:.[M].:,1987.[13].[M].:,1988:17.[14],.[M].:,1998:216218.[15]OlsenHW.Darcyslawinsaturatedkaolinite[J].WaterResourcesResearch,1966,2(2):287295.[16]SmilesDE,RosenthalMJ.Themovementofwaterinswellingmaterials[J].JournalofSoilResearch,1968(6):237248.[17]KutilerM.Non-Darcyflowofwaterinsoils-Laminarre2gion,areview,infundamentalsoftransportphenomenainporousmedia[M].EditedbyIntentionalNewYork,Associa2tionforHydraulicResearch,Elsevier,1972:327340.8312©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:reservoirexplorationanddevelopment;comprehensivegeophysicaltechnology;seismicattributeinforma2tion;application;result;Shi5reservoirApplicationofMonteCarlomethodinJixiangtungasreservoirreservecalculationSHIShang-ming,LIZhao-yong(DaqingPetroleumInstitute,Daqing,Heilongjiang163318,China)Abstract:ThispaperexpoundsthemathematicaltheoryofMonteCarlomethod,andtherandomvariablesamplemethodofparametersinthecalculationprocessofgasreservesinconjunctionwithexamples.Thecalculationmethodprovidesadesiredvalueofgasreservewithcertaindegreeofcredibility.Especiallyintheearlystageofexplorationanddevelopment,itcanreducestheimpactofsubjectivefactorstothemaximumextent,andprovideobjective,reli2ableandreasonablereservevalues.Keywords:MonteCarlomethod;reservecalculation;probabilisticstatistics;reserveexpectation;application;Jixi2angtungasreservoirNon-DarcypercolationmechanisminlowpermeabilityreservoirLIZhong-feng,HEShun-li(UniversityofPetroleum,Beijing102249,China)Abstract:Thispaperelaboratesthemechanismoflowvelocitynon-Darcypercolationinaspectsofporestructure,interactionbetweenporousmediumandpercolationfluid,andfluidproperty,anddiscussesporesize,porethroatgeo2metricstructure,therelationshipofspecificsurfaceareaandpermeability,andtheirimpactonstartingpressure.Theroleofformationwater,interfacialtension,boundarylayer,andfluidpropertyonformingofnon-Darcypercolationisdeeplystudied.Andsuggestionsforfurtherstudyofpercolationinlowpermeabilityreservoirareproposed.Keywords:lowpermeability;non-Darcypercolation;mechanism;porestructure;interfacialeffect;boundarylay2er;fluidpropertyIdentifyoil,gasandwaterzonebyacoustic-resistivitymethodHUYou-hua1,LIKang-ti1,XUPing2(1.SouthwestCompanyofSINOPEC,Deyang,Sichuan618000,China;2.LiaoheOilfieldBranchCompanyofPetroChina,Panjin,Liaoning124010,China)Abstract:Oilandgasintheformationcancausechangesoflogdata,andoilandgaszonesareidentifiedaccordingtothedifferencebetweenresistivityconvertedtimejetandmeasuredtimejet,whichcanamplifytheinformationofgas-bearing.Thismethodisworthspreading.Keywords:acoustic-resistivitymethod;logmethod;identifyoilandgaszone;distinguishgas-bearingsandStudyofreservoirparameterchangeafterwaterinjectioninhighwater-cutoilfieldLIUTian-he,GUOLi,ZUOYi(DagangOilfieldBranchCompanyofPetroChina,Dagang,Tianjin300280,China)Abstract:Byusingtechnologiesofwaterinjectionmodelingexperiment,scanningelectronmicroscopeandloginterpreta2tionofwaterfloodedzone,thispaperanalyzesthemechanismofreservoirparameterchange,andthechangeofreservoirstructuresafterwaterinjectioninhighporosityandpermeabilityreservoir,mediumporosityandpermeabilityreservoirandheavyoilreservoirinhighwater-cutstage.Theresultofthisstudyhasbeensuccessfullyappliedtologinterpretationofwaterfloodedzone,correctionofgeologicalmodel,parameteradjustmentfornumericalsimulation