碳酸盐岩储层测井评价方法

266201212GEOSCIENCEVol.26No.6Dec.2012徐敬领1，2，3，王亚静4，曹光伟5，秦宇星61.1000832.1000833.1000834.3002805.1000346.3002802012061520120820。2011YYL128。1982。[e-mail]。、、4、。、。。。、。P631.8A1000－8527201206－1265－10Well-loggingEvaluationMethodsonCarbonateReservoirsXUJing-ling123WANGYa-jing4CAOGuang-wei5QINYu-xing61.KeyLaboratoryofGeo-detectionChinaUniversityofGeosciencesBeijingMinistryofEducationBeijing100083China2.SchoolofGeophysicsandInformationTechnologyChinaUniversityofGeosciencesBeijing100083China3.StateKeyLaboratoryofGeologicalProcessesandMineralResourcesChinaUniversityofGeosciencesBeijing100083China4.Exploration＆DevelopmentResearchInstituteofDagangOilfieldTianjin300280China5.ChinaNationalOil＆GasExplorationandDevelopmentCorporationBeijing100034China6.WellLoggingCompanyBHDCTianjin300280ChinaAbstractTheloggingevaluationmethodsandtechniquesondomesticandforeigncarbonatereservoirwerere-searchedfromthefouraspectsofreservoirtypeclassificationparametercharacterizationfluidpropertydiscrim-inationandmathematicalmethod．Aftertheanalysisandcomparisonofvariousevaluationmethodsitisconsid-eredthataccordingtocertainmathematicalalgorithmsnotonlythereservoirtypeswereidentifiedverywellbutalsothereservoirparameterswereevaluatedsemi-quantitativelyandquantitativelybytheuseoftheconventionalloggingandimaginglogging．Thephysicalparametersoffracturecavereservoirwerecalculatedusingthedataofconventionalloggingandnewloggingtechnologieselectricalloggingandsonicloggingandonthisbasisthefluidpropertycanbediscriminatedbytheconventionalloggingnuclearmagneticresonanceanddipoleshearsoniclogging．Bycomparisonwiththeresultsofcoreanalysisthismethodforcalculatingreservoirparametersisnotonlyeffectivenessbutalsosimpleandfeasible．Themathematicalmethodandthenewloggingtechniquedataareveryimportantforthecomplexcarbonatereservoirevaluationandcansolvethecalculationandevalua-tionproblemsofcomplexcarbonatereservoir．Usingreservoircharacteristicsofcarbonaterocksandfluidproper-tiesasthestartingpointwithcombinationofgeologicalseismicandloggingdataandmathematicalalgo-rithmsthereservoirtypesandfluidpropertieswereaccuratelyidentifiedanddeterminedthusthephysicalpa-rametersoffracturecavereservoirscarbonatereservoirswereaccuratelycalculatedwhichwerethefocusanddirectionofloggingevaluationoncarbonatereservoirs．Keywordscarbonatereservoirparametercalculationfluidpropertymathematicalmethodwelllogging0。20701。2080、2。3。2090、。4。5。、。、、、。+、6。1。、、、、67。、－。、。。－8。、。1.11.1.1、、、、、66212012、9。。、、。。。3Y=Rd－Rs/Rd·R槡s1Rd、Rs、。、、。、。。、。、。10。、。。1.1.2、、、、11－12。、、1。、。。Rtc13RtcRtc=Rd－Rs/Rd+Rs214。。4。。1.2FMI、、、DSI。、、15。、。。、。。－81。DSI、。DSIVDL“”762161Fig.1Identifyingreservoirtypeswithimagelogging。VDL。DSI、9。T2。DSIVDL。DSI、16。2、。。2.1。、cbf=c－b。17、。。10、、Δtmcb=1－Δtma/Δ槡t3Rwl/Rd211Rwl。、。、、18。Sibbit198519－20。1f=mf1Rd－1Rs/1Rw－1Rmf槡42f=mfRmf1Rs－1Rd槡5mfRmf。。286212012、。PezardAndersonSibbit。Rd＜Rsf=C2d－C2sCdCm6Rd＞Rsf=2C2s－C2dCdCm7Cd、Cs、Cm、。。21－22。。、1323－24。f=∑Liwi2πRCHwiiLiiRCH。。、、、。。。、。2.2、、。－25－26。27。m。mm。。28m、n。29mm=lgFLt+1+FLtmb/lgt9FLmb=a+b/tm。10So=ff+bSof+bf+bSob10SobSof。Archie30m。SwfSwf=3·Bw/2·ΔW11BwΔW。3。10μm10μm962162Fig.2FractureporositycalculatedquantitativelybyFMI3Fig.3Fracturewatersaturationcalculatedquantitativelybyloggingdata0721201290%～100%。31100%10%。2.3。、、、Coates、。32Timur。、25Kf=A·R·W2·fmf12Kf=f·W2/1213ARW。。。BiotTang1990Biot33。34Kst=Kk01+i2Q·1+1πQlnf/f014Kk0k0ff0Q。414。。Timur-Coates。。3。。、、、35、、。、、。P1/2、、、、、36－37、、38、FTI=1－Rs/Rd1/F、、BP、、、－39。。、。、。Rd－Rs/Rd。、。MDT－。、172164KstS-SeDNSTFig.4Fracturepermeabilitycalculatedquantitativelybyloggingdata、、、－、、、8。。－。。Rd－Rs/Rd·R槡s。、。T2T2。TE。。。4、27212012、。、、。40。4.1。。。、。4.2。、41。。。。51。DSI。2+++。3。1．M．199460－95．2．M．199430－55．3．J．1996396845－854．4．J．2003182336－341．5．J．200310238－40．6．J．2007222537－543．7．J．2002233262－265．8．J．2008324237－241．9．M．2001157－219．10．J．2000738－10．11．J．2004284301－305．12．J．200727297－102．13．2J．200729270－74．14．J．200125187－89．15．FMIJ．200822192－95．16．TJ．2008296853－858．17．J．2003275389－392．18．37216J．20048426－29．19AguileraR．Welltestanalysisofmulti-layerednaturallyfracturedreservoirsJ．JournalofCanadianPetroleumTechnology200039731－37．20SibbitAMFaivreO．TheduallaterologresponseinfracturedrocksM//SPWLA．The26thAnnualLoggingSymposiumPaper．TexasTheSocietyofPetrophysicistsandWell-LogAna-lysts198517－20．21．J．2011255917－924．22LiuRuilinWuYuqiLiuJianhuaetal．ThesegmentationofFMIimagebasedon2-DdyadicwavelettransformJ．AppliedGeophysics20052289－93．23．J．200626149－51．24．J．2005202357－364．25．－D．2005．26．J．2006202299－306．27．HJ．2008273121－123．28．J．200526386－89．29．J．2003275389－393．30．J．1983266589－596．31．J．200630160－63．32BabadagliTAl-SalmiS．Areviewofpermeability-predictionmethodsforcarbonatereservoirsusingWell-LogdataJ．SPEReservoirEvaluation＆Engineering20047275－88．33．J．2005296507－510．34．J．200737114－117．35．J．200831330－32．36．J．200226160－6337．J．19855112－20．38．J．2005265634－640．39．J．2004191173－178．40．J．200122332－35．41．J．200730291－95．47212012