盆地模拟技术研究现状及发展方向

1、EXPLORATIONTECHNIQUES55EXPLORATIONTECHNIQUES5657EXPLORATIONTECHNIQUES58--65CHINAPETROLEUMEXPLORATIONStudyonHydrocarbonAccumulationinDafeng-XinghuaRegioninSubeiBasin/ZuoGuoping,TuXiaolong,XiaJiufeng,XuMeiru//PetroChinaHangzhouGeologicalResearchInstitute,HangzhouCity,ZhejiangProvince310023Abstract:EarlyPaleogene-NeogeneoftheDafeng-Xinghuaregionhasbeenaffectedbyextensionalstrike-slip,presentingastructuralframeworkofÒearlyfaultdepressionandlatesagÓ.Researchshowsthathydrocarbonaccumulationintheregio。

2、nhasthelawsasfollows:thereservoirdistributioniscontrolledbythehydrocarbon-generatingcenter,thescaleofreservoirsisdeterminedbythesizeofsags,todiscovergoodsandbodiesisveryimportantbecausetheoilbearingseriesissingleandtheindividualreservoiristhinandchangesfasthorizontally,thelargefaultleadingtodeepsagsiscriticaltooilandgasmigrationandnowoilreservoirsarelocatedinthevicinityofthelargefault.Inaddition,theactivityofmostreservoirswiththecharacteristicsoflateralsealinghasceasedbeforesourcerocksgetmature.。

3、Structuraltrapsarefavorableoilandgasaccumulationzones,sostructuralreservoirsandstructural-lithologicreservoirsgeneratedfromsmallcomplexfaultsarethemaintypes.Takentogether,themainideaoftodiscoveroilintrapsinoil-richsandbodiesbasedonfaultsisputforward.Keywords:fault;trap;sourcerocks;structuralreservoir;structural-lithologicreservoir;Dafeng-XinghuaregionQuantitativeResearchonCorrelationbetweenReservesAbundanceandDiffusionLossofGasinLargeandMediumGasFieldsinChina/LiJianmin,FuGuang,GaoYuhui//EarthSci。

4、encesInstituteofDaqingPetroleumInstitute,DaqingCity,HeilongjiangProvince163318Abstract:47largeandmediumgasfieldsinChinaisbasedonlowabundanceofreserves,thesecondishighandmiddleabundanceofreserves,andtheleastisultra-lowreserves.ThemethodofestimatinggasdiffusionlossissetupbyusingtheFickÕslaw,andthegasdiffusionlossofthe47gasfieldsisestimated.Resultsshowthatthediffusionlossofdifferentgasfieldsvariesalot.Theminimumisonly0.92108m3,whilethemaximumis2286.81108m3.Thelatterisover2200timeshigherthantheforme。

5、r.Throughtheresearchonthecorrelationbetweenreservesabundanceanddiffusionlossofgasinthe47gasfields,itisshownthatthelowergasreservesabundanceis,thegreatergasdiffusionlossgets,andviceversa.GasdiffusionlossisanimportantcauseofthedecreaseofgasreservesabundanceoflargeandmediumgasfieldsinChina.Keywords:largeandmediumgasfields;naturalgas;diffusionandloss;reservesabundance;quantitativeresearchZeoliteDistributionCharacteristicsandContributingFactorsinSouthernRegionofWestQaidamBasin/GanGuiyuan,LeiZhenfeng,。

6、ZhaoDongsheng,LiYuankui,CuiJun//ResearchInstituteofPetroleumExplorationandDevelopment,PetroChinaQinghaiOilfieldCompany,DunhuangCity,GansuProvince736202Abstract:ThezeolitefoundthesouthernregionofWestQaidamBasinismostlyanalcime.Grainyandmassivezeoliteisdistributedinsandstoneintergranularholes,cracks,andcarbonateemposieu.Thezeoliteintheregioncanbeformedbybothmetasomasisandmid-lowtemperatureepithermaldeposition.Analcimeisdistributedinsparrycalcitecement,whilenatroliteisinquartzandfeldsparclasticpart。

7、icles.Analcimeisdistributedinsparrycalciteandearlycalcitecementiswrappedinnatrolitecement,whichshowsthattheformationofzeoliteislaterthanthatofsparrycalcite.Massivezeoliteismainlydevelopedinreservoirs,andmostlyinoilandgasbearingintervals.Keywords:QaidamBasin;thesouthernregionofWestQaidamBasin;zeolitetypes;distributioncharacteristics;contributingfactorsanalysisMajorLithologicalDistributionandLogResponseAnalysisofVolcanicRockBearingStratainHailarBasin/ZhangMeiling1,ShaoYang1,GaoBoyuan2,LinLili1//1.。

8、DaqingPetroleumInstituteofEarthSciences,DaqingCity,HeilongjiangProvince163318;2.CollegeofGeo-ResourcesandInformation,ChinaUniversityofPetroleum,DongyingCity,ShandongProvince257061Abstract:InHailarbasin,thestructureoflithologicalprofilesiscomplex,notonlycontainingvolcaniclavaandnormalsedimentaryrocks,butcontainingtransitionalvolcaniclithology.Basedonalargenumberofcoreexperimentalanalysisanddetailedlogdataanalysis,majorlithologicaltypesanddistributionlawsinNantunFormationandthestratabelowtheFormat。

9、ionaresummedup.WhatÕsmore,thevariationoflogresponsecorrespondentwithmajorlithologyisanalyzedindetails.Theresultoflogresponseanalysisprovidesbasisforcomplexlithologyidentificationinthebasin.Keywords:lithologicaldistribution;logresponse;volcanicrockbearing;HailarBasinBasinModelingTechnologyDevelopmentSituationandItsMainTrends/MiShiyun//ResearchInstituteofPetroleumExploration&Development,PetroChina,Beijing100083Abstract:Ofthiscentury,basinmodelinghassteppedintoahardtimeofitsdevelopment.Thefamousove。

10、rseascommercialsoftwarecorporationshavestillbeenworkinghardandhavemadesomeprogressesindifferentaspects.Furthermore,somenewcomersinthisfieldhavejoinedin.From1990stothebeginningofthecentury,basinmodelinginChinaremainedinternationallevelonthewhole,sowehaveagoodbasefordevelopment.Asalong-termresearchproblem,3-Dhydrocarbonmigrationandaccumulationmodelingfacesmanydifficultiesandchallenges,suchasaccuratealgorithmforsimulationequation,consideringandquantitativelyprocessingfaultandothergeologicalfactors,t。