基于老井资料的碳酸盐岩储层测井解释研究

:,1972,,;:(100083)()03:[phone],13552608056E2mail:[e-mail]1233(1.2.3.CPR)..,2005;25(8):4446,,,,,,BP;,;,,12,:,;BP,,,,X1X2,JD581,,4;4,,6,,2,4,12,,,,(1):(2.9g/cm3),5054s/ft;(2.8g/cm3),47s/ft;,,(2.7g/cm32.9g/cm3),52s/ft,,(2):,,,(,);,,(5.0%),;,,,,,;,,,,:,44200582,X1,,,,,,BP,,,,,;,;2,5,78,,,BP1-aBP(),98.4%;1-bX2,90.1%,2.462%;2.345%,4.563%94.4%,0.504%,1(),ai,,,fi(x,a),,,x,,x,x33,12,2,2.3%0.00310-3m2,40%50%2X53X41:18%,6.78%,5531,1-c,85.3%,45(5%),,;,542583.07%,2.81%,0.26%,8.47%,,1,,3X411(m)HDfKSwX121452155,5.13104m3/d1.883.330.070.01435.30X222542283,1000m3/d,2.41104m3/d,43m3/d,1m6.633.930.260.10443.03X320802082,1.15104m3/d1.133.150.000.02135.30X421352142,2.73104m3/d,3.97104m3/d1m5.255.120.120.24336.01X521942202,3.414104m3/d13.754.420.090.14830.51X6206720701.22104m3/d2.635.170.281.03735.61X721792184,5.2104m3/d1.002.660.220.00948.47:HD,m;,%;f,%;K,10-3m2;Sw,%(1),,,;,,(2),(3),,,(4),,,,,,,1..,1999;23(5):3893922,..,2001;21(4):42453,..,2000;22(4):184MayerC,SibbitA.Global2Anewapproachtocomputerprocessedloginterpretation.SPE9341,19805.BP.,2002;22(4)(2005205217)642005862164905E2mail:[e-mail]ICRESERVOIRBYHOMOTOPYINVERSIONMETHODZhangLiqin1,WangJiaying2andYanDetian3(1.KeyLaboratoryofGeospaceEnvironmentandGeodesyoftheMinistryofEducation,SchoolofGeodesyandGeomatics,WuhanUniversity;2.InstituteofGeophysicsandGeomatics,ChinaUni2versityofGeosciences;and3.FacultyofEarthResources,ChinaUniversityofGeosciences).NATUR.GASIND.v.25,no.8,pp.38-40,8/25/2005.(ISSN1000-0976;InChinese)ABSTRACT:Asaparameterdirectlyreflectingthepetrophysicalpropertyofreservoir,theacousticimpedancecanbeusedforpredictingreservoirspacedistributionandstorageconditions.Inconsiderationofthedrawbacksincon2ventionalacousticimpedanceinversionmethod,thehomoto2pymethodwithvastconvergencewasappliedtotheacousticimpedanceinversioninseismicexploration.Throughthein2versionoftheoreticmodel,itwasindicatedthatthehomoto2pyinversionmethodisareliableandstrongantinoisenonlin2earnumericalcalculationmethod.BymeansoftheacousticimpedanceinversionofonerealseismicsectioninYinggehaiBasinbyuseofthehomotopymethod,itwasshownthattheinversionresultsarewellidenticalwiththelogdata,henceitisaneffectiveinversionmethodofinvestigatinglithologicreservoirSUBJECTHEADINGS:Lithologicreservoir,Oilandgasexploration,Acousticimpedance,Inversion,Mathematicalmodel,WellloggingZhangLiqin(female,Doctorandlecturer),bornin1975,isengagedintheresearchongeophysicalinversionmethodsnow.Add:Wuhan,Hubei(430079),ChinaTel:[phone]E2mail:[e-mail]2DEPTHCONVERSIONMETHODOFTHEHIGH2STEEPSTRUCTURESINEASTSICHUANTangBirui,QinFalan,HuangHuaxiangandZhaoZongyuan(ChengduGeophysicalResearchCenter.SichuanGeophysicalCompany,SPA).NATUR.GASIND.v.25,no.8,pp.41-43,8/25/2005.(ISSN1000-0976;InChinese)ABSTRACT:Thelateralintervalvelocitychangesofbothhangingwallsandlowerwallsofthefaultsinthehigh2steepstructuresinEastSichuanalwayshappenedbecauseoftheirprecipitoustwoflanksanddevelopedfaults,whichof2tenmadethereflectionontimesectionverycomplex,ande2vencreatedafalsestructuralappearance.Thereforethecon2versionfromtime2domaintodepth2domainisanimportantstep,andthecorrecttime2depthconversionprocessingisthekeyofdeterminingaccuratelysubsurfacestructuralshape.Theeffectivenessofintervalvelocitytime2depthconversionprocessingismainlydependentonthecorrectnessandration2alityofthebuiltvelocitymodeloftime2depthconversion.Theproblemswiththedeptherrorandstructuralshapedis2tortionofthehangingwallandlowerwalloflargefaultinthehigh2steepstructure,whichwascausedbyvelocitymuta2tionandhasexistedformanyyears,werewellresolvedbymeansoftheimprovementoftime2depthconversionmethod,thusraisinggreatlydrillingsuccessratio.ThismethodispossessedofstrongoperabilityandpracticabilityandagoodresulthasbeenobtainedbyapplyingittotheMYBandXJGstructuresofDTCstructuralbeltandtheWQJstructuralbeltinEastSichuan.SUBJECTHEADINGS:Highandsteepstructure,Structuraltype,Time2depthconversion,Intervalvelocity,Model,SichuanBasin,EastTangBirui(seniorengineer),bornin1963.graduatedingeophysicalprospectingattheSouthwestPetroleumInsti2tutein1986.Hehasbeenengagedinseismicdataprocessingandinterpretationforalongtime.Add:No.1,Sec2tion1,ShuanghuaStreet,Huayang,Shuangliu,Chengdu,Sichuan(610213),ChinaTel:[phone]E2mail:tbr@sgc_prc.comLOGINTERPRETATIONOFCARBONATERES2ERVOIRBYTHEDATACOLLECTEDFROMOLDWELLSWangYongjun1,ShiJiaxiong2,LuDong2ming3andZhongLijun3(1.ChinaUniversityofGe2osciences,Beijing;2.ResearchInstituteofPetrole2umExplorationandDevelopment,TuhaOilFieldBranch,PCL;and3.ChangqingUtilityDepart2mentofCPR).NATUR.GASIND.v.25,no.8,pp.44-46,8/25/2005.(ISSN1000-0976;In6NATURALGASINDUSTRY/Aug.,2005Chinese)ABSTRACT:Thequantitativeloginterpretationisverydifficultbecauseofthecomplexlithologyofcarbonatereser2voirandtheincompleteloggingsuiteinoldoilandgasre2gion.Throughselectingthewellsatbeneficialstructurallo2cationswithcompleteloggingsuite,bytakingthecoringandtestingintervalsastheresearchtargetsandbymeansofana2lyzingthoroughlythelogresponsesofthelithology,p