运用测井信息研究烃源岩进展及其资源评价意义

24120092(:270~279)PROGRESSINGEOPHYSICSVol.24,No.1Feb.2009,,,..,2009,24(1):270~279YanJP,CaiJG,ZhaoMH,ZhengDS.Advancesinthestudyofsourcerockevaluationbygeophysicallogginganditssignificanceinresourceassessment.ProgressinGeophys.(inChinese),2009,24(1):270~279闫建平1,蔡进功1,赵铭海2,郑德顺1(1.,200092;2.,257015)运用测井信息评价烃源岩自开始以来已取得了长足进步,从定性的分析识别发展到现在可定量计算地化指标.为克服因取芯不足而在区域范围内进行资源评价的难题创造了有利条件.烃源岩中有机质粘土矿物是影响其测井响应的两个重要变量.测井对岩石中有机质和粘土矿物的类型丰度压实程度及富集状态不同而产生的岩石物理电化学性质的差异,是利用测井信息识别和评价烃源岩的基础.随着油气勘探形势的严峻,烃源岩的测井研究将向更深层次的方向发展,烃源岩的地球化学特征与测井响应特征对应关系的机理研究发展利用电化学性质进行烃源岩评价的方法进行烃源岩的岩石物理实验与测井数值模拟将是今后开展烃源岩测井评价研究的新方向.测井,烃源岩模型,有机质,电化学,资源评价,粘土,赋存状态P631A10042903(2009)01027010AdvancesinthestudyofsourcerockevaluationbygeophysicallogginganditssignificanceinresourceassessmentYANJianping1,CAIJingong1,ZHAOMinghai2,ZHENGDeshun1(1.StateKeyLaboratoryofMarineGeology,SchoolofOceanandEarthScience,TongJiUniversity,Shanghai200092,China;2.InstituteofGeoscienceofShengLiOilFieldCo.LtdSINOPEC,Dongying257015,China)AbstractGreatprogresshasbeenmadeintheresearchofsourcerockbywelllogging.Sourcerockevaluationhasbeendevelopedfromqualitativeidentificationtoquantitativecalculation,whichcanresolvethedifficultyofsourcerockevaluationlackofcoredatainareadivision.Organicmaterialandclaymineralareimportantelementswhichaffectwellloggingresponse.Thedisparityofpetrophysicalandelectrocheimicalpropertywhichcausedforthedifferenceoforganicmatterandclaymineralstype,abundance,compaction,occurrencestateetc,isthebasisofsourcerockidentifiedandevaluatedbyusinglogginginformation.Underthepresentexploratorysituation,theresearchonsourcerockbyuseofloggingdatawilldeveloptofurtherdegree.Themechanismsofcorrespondencerelationbetweengeochemistrybehaviorandlogresponse,themethoddevelopedbyuseofelectrochemicalfeature,petrophysicallabandnumericalanalogue,arenewtrendsofresearchonevaluatingsourcerockwithlogging.Keywordswelllogging,sourcesrockmode,organicmaterial,electrochemistry,resourceevaluationl,clay,occurrencestate20080405;20080802.(40672085)(P04034).,,1980,,2007(),,.(Email:[e-mail])0引言,,,[1].,.,1,:,[1~49].,,,[50][2]..,[3],,,,.,,,,[4].,[51],[5].,,,..1烃源岩地质模型[51~56].,[57]..,.1.1,,[58].,,.[59],,,(),,..[60],,,.,,.,[61~63].,(),,.,;,.1.2,.,,;,,,30%.,[64~65]..,//.,[66],:,;,;,.,[67],,.1.3,[59],,,;,,27124.,,,.,.,;,,.,,,.,.,,,.2烃源岩测井响应特征,,,[6].,,,,.2.1[68],,,(U).,,2040Beer(TOC).,,Swanson(U),SupernawFert.,HerronC/O(TOC),.,,,,[15].2.2,,,,,;,,.Schmoker.,,.2.3,,,.,,.,,.,[7].,.,,..TOC.[7],S1,S1,,,S1,,S1,..(TOC).,S1,TOC2721,:,,,,.2.4[69,70],.,.,,,,.,.,,.,.,,,,.3烃源岩电化学性质[71,72],,,,,,,,,,,(),,,.,[64].,,,.,,,,,[4].3.1(CECQV).[4][67]..,.,,.,,,,[4].,,,,.,(CEC),100gmmol;(QV),mmol[67].,.3.2CEC,.CEC,,,,,.,CEC.[4],CEC()3().,,327324;CECQV,,,;CEC(TOC)A(HC),CEC,;CEC,CEC(MAB).,,.4烃源岩测井评价方法4.1,,[3].Flower,,,.Meyer,,,,,.,,,.[33],!∀,,.[18]4.,.4.2(1)(TOC)(TOC).,.,,,[11].,,,.1990Passey[8]logR,,.,,.,,,logR.TOClogRTOC.,,,,;,,().,:,;,,,,()[1].,.[11],..,..,TOC,.,.Mohammad[14][22]DKohonenNN,DBPNN[18]TOC.(ANN),.2741,:,,,[2,48].(2),,.,,,,,.[10],[73,74](NMR),,.,,..,,[3].NMR,,,[41].,.(3)(VHC)(HCI).,[39].VHC,.VHC,.,.,VHC,[39].,,,VHC,.VHC.,VHC,VHC,,VHC.,VHC,.,(GST)C/O[26,75],,,.5结语,.,.,,,,.,.,.,.,.(),,.,,,,,,,,.27524在本文的调研完成过程中,得到了同济大学海洋与地球科学学院钟广法教授等提出的一些有启发性的建议,在此表示衷心的谢意.(References):[1],.[J].,2000,27(3):84~87.ZhangZW,ZhangLH.Amethodofsourcerockevaluationbywelllogginganditsapplicationresult[J].PetroleumExplorationandDevelopment,2000,27(3):84~87.[2],,,.[J].,1996,11(2):66~79.LiQM,YangF,HaoTY,etal.Newprogressingeologicalanalysisbywelllogging[J].ProgressinGeophysics,1996,11(2):66~79.[3],,.[J].,2004,26(2):89~93.WangFX,HouYZ,XiaJ.Newadvancesinhydrocarbonsourcerocksevaluation[J].WellLoggingTechnology,2004,26(2):89~93.[4],,.[J].,2003,27(1):1~5.ZhaoYC,LiL,YuGY.Electrochemicalpropertyofsourcerockanditssignificanceinlogevaluation[J].WellLoggingTechnology,2003,27(1):1~5.[5].[M].:,1997.208~218.TanTD.Collectedpapersonpresentpetroleumwelllogging[M].BeiJing:OilIndustryPress,1997.208~218.[6],,.[J].,2003,27(2):104~109.ZhuGY,JinQ,ZhangLY.UsingloginformationtoanalyzethegeochemicalcharacteristicsofsourcerocksinJiyangDepression[J].WellLoggingTechnology,2003,27(2):104~109.[7],,,.[J].,2004,24(9):30~32.ShiQ,LiJ,LiGP,etal.Evaluationsourcerockindexesbylogdata[J].GasIndustry,2004,24(9):30~32.[8]PasseyQR.Apracticalmodelfororganicrichnessfromporosityandresistivitylogs[J].AAPGBulletin.1990,74(12):1777~1794.[9],.()[J].,2007,34(1):55~59.ZhangH,ZhuGY.Usingseismicandloginformationtopredictandevaluatehydrocarbonsourcerocks:AnexamplefromrichoildepressionsinBohaiBay[J].PetroleumExplorationandDevelopment,2007,34(1):55~59.[10],,,.[J].(),2004,19(2):29~32.WangD,JiangZX,JiaMQ,etal.EvaluatinghydrocarbonsourcerockbymakinguseofNMRlogdata[J].JournalofXianShiyouUniversity(NaturalScienceEdition),2004,19(2):29~32.[11],,.[J].,2002,29(4):50~52.WangGW,ZhuZY,etal.LoggingidentificationandevaluationCambrianOrdoviciansourcerocksinsynecliseofTarimbasin[J].PetroleumExplorationandDevelopment,2002,29(4):50~52.[12]AlpanaBhatt,HansB.Helle.Porosity,permeabilityandTOCpredictionfromwelllogsusinganeuralnetwo