白音查干凹陷达尔其地区稠油地化特征识别

:20010215;:20010908:(1965),,,1986,:03934893620,09962025473:10066535(2001)04002303车晓峰,邓已寻,马建民,将建平(,457001):白音查干凹陷达尔其地区稠油种类复杂,依据测井资料远不能满足识别稠油种类的需要,在此情况下,通过建立本区原油分析资料与地化录井分析参数的关系,提出了地化录井参数识别稠油机理在分析大量地化录井参数与原油物性资料的基础上,建立了地化录井参数与稠油粘度关系图版,并制定了地化录井定量评价稠油级别标准,经现场初步应用,效果良好,是一种新型的现场定量评价稠油级别的好方法该方法不仅有助于勘探开发人员及时准确定量评价稠油级别,而且对于深化该区的勘探开发也具有一定的意义:稠油;地化录井;参数;识别;定量评价;标准;白音查干凹陷;达尔其地区:TE1221+11:A前言,,5,:,,,,,1地化录井识别稠油的地质依据,90300600S0S1S2,S0C7,S1C8C23,S2C23[1]S0,,S0,S1S2,S1,(1);S2,(2)[2]12,,S1,;,S2,1S1+Fig1S1vssaturatedhydrocarbon+aromatics84200112SpecialOilandGasReservoirsVol8No4Dec20012S2+Fig2S2vsbitumenandnon-hydrocarbon2稠油识别特征,,S2S1S1/S2OPI,,S2,S1,S1/S2OPI,21,,3(1):S1S2(3a),;S2S1(3b),(2)S1S2(3c),(3)S2S1(3d),S2S15,3Fig3ThegeochemicalcharacteristicsmapofheavyoilinDaerqiarea22S2S2,S2(4),14S2Fig4S2vscrudeoilviscosity1Tab1Classificationofheavyoils(50)/mPas(20)/(g/cm3)100~10000921000~1000009210000~5000009550000098S2:S2911~1221mg/g,S21221~1764mg/g,S21764~2062mg/g,S22062mg/g23S1/S2S1/S25:S1/S2,,S1/S2:S1/S2325~241;S1/S2241~150;S1/S2157~099;S1/S20995S1/S2Fig5S1/S2vscrudeoilviscosity24824OPIOPI=S1/(S0+S1+S2),6,OPI,,,,OPI:OPI074~063;OPI063~051;OPI051~044;OPI0446OPIFig6OPIvsviscosity(2)2Tab2Quantitativeandsemi-quantitativeevaluationofheavyoilsclassification(50)/mPasS1/S1S2:911~1221S1/S2:325~241OPI:074~063100~1000S1/S2S2:1221~1764S1/S2:241~157OPI:063~0511000~10000S1!S2S2:1764~2062S1/S2:157~044OPI:051~04410000~500002S1!S2S22062S1/S2099OPI044500003应用1115,11:5273~5298m,,S2S12,S2222073mg/g,;S1/S204594,OPI03145,(25~61)∀104mPas,15:463~485m,,S2S1,S2140254mg/g,;S1/S208951,OPI04713,(2~6)∀104mPas,32,,:,4结论,,,,,,:[1],[M]:,1998[2],[M]:,1991常汉章254:saydata,inordertounderstandthefracture,structure,sandsdistributionandthelawofoilandgasaccumulation.Trapswereevaluatedtooptimizeexplorationtargets.TheresultofthestudyindicatedthatHulihaisagstructurewasafavorableonewithinthedepression,andtheeastandwestfaultstepzoneswerelocatedontwosidesofthisstructure.Thisregionwascomplicatedinstructuresettingandgeologicalconditions,andhadtwosetsofsourcerocksystems,manytypesofreservoirsandstructures.Majorsourcereservoircaprockassemblageswereinsitusourcereservoirandreservoirrockswithunderlyingsource.Variousfaultsweredevelopedwithinthisregionandprovidedfavorableconditionsforoilandgasmigration.Keywords:reservoirformingcondition,analysis,Qianjiadiadepression,HulihaisagAnalysisofreservoirformingconditionsinvolcanicsofHuangshatuoareaZhangKun,LuoHaibing,WangGuoyong,WuWenzhu,ChuZhenmiao(Exploration&DevelopmentResearchInstituteofLiaoheOilfieldBranchCompany,PetroChina,Panjin,Liaoning124010,China)Abstract:ReservoirformingconditionssuchassourcereservoircaprockofvolcanicsinHuangshatuoareahadbeenstudiedthroughanalysisofseismic,drilling,coreandassaydata,inordertoprovidetheoreticalguidefornextstepexploration.MajorsourcerockofthisareawasmelanocraticmudstoneofSha3formation,whichwaswidelydistributed,thick,ofgoodkerogentype,andhighlymatureinevolution.Sourcerockscouldbefoundabove,below,andonthenorthwestsideofthevolcanicreservoir.Thereservoirlithologywastrachyte,porestructurewascomplex,andmainreservoirspacewasfractures.Reservoirdistributionwasdominatedbyafaultinnortheastdirection.Reservoirformingconditionsweresuperiorinthisarea,andthisreservoirbelongedtofaultedblockreservoir.Theformingofthereservoirwasmainlydeterminedbystructureandlithologythesetwofactors,amongwhich,lithologywasabasiconeandstructurewasacriticalone.ThewesternsideofJiexifaultwasafavorableoilandgasbearingzone.Keywords:volcanicreservoir,reservoirformingcondition,analysis,Liaohebasin,HuangshatuoareaTheremaybemicrochannelsindepositionalendofgrainflowonaslopeWangGuanmin,WuLiquan(ResourcesDepartmentofPetroleumUniversity,Dongying,Shandong257062,China)Abstract:TherewerealargeamountofbarfingersandstonebodiesconsistingofmediumfineandcoarsesandstonesintheendofretrogradingdepositionalsequenceofunderwatergrainflowinSha3formationinwellTuo147,Jiyanggeotectogene,Shenglioilfield.Thecrosssectionwaslenticular,withthehighestthicknessof2~3cm,andthesupermicrobarfingersandstonebodiesof3~5mmcouldalsobeseen.Throughanalyzingaseriesofstructurephenomenonsuchasbasescouringandalmostthesameshapeintheupperandloweroilshales,itwasunderstoodthatthesebarfingersandstonebodiesweremicrochanneldepositintheendofgrainflow.Itwasfurtherinferredthatgrainflowsandstonebodiestookdendriticshapes,andthosewithshapesoffanandlens,whichwereseldomseen,representedforlowrateofdepositioninchannelsandhavingbeenkeepingcertainerosionforalongdistance.Sincetheerosionanddepositionweredeterminedbytheshearingforceonthebottomoffluid,itwasthoughtthatalongdepositingslopewithasuitablereposeangleoflessthan18#wasthemajorreasonofforminggrainflowdendriticsands.Keywords:grainflow,depositionalend,microchannel,slopeIdentificationofheavyoilgeochemicalcharacteristicsinDaerqiareaofBaiyinchagandepressionCheXiaofeng,DengYixun,MaJianmin,JiangJianping(ZhongyuanOilfieldBranchCompanyofSinoPec,Puyang,Henan457001,China)Abstract:TherearevarioustypesofheavyoilsinDaerqiareaofBaiyinchagandepression.Loggingdataisfar