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2011051820111020“”41072098“”2009GYXQ－151985－2008。1006－6535201106－0034－04112111.1000832.524057—12。、、。。、、。TE122.1A、、、、130%～50%、15%～25%1%～20%2。—、、、、。、、、—1、12000m。11.1Z21139m377m3。。1.2∈1—S11、4、5500～700m300m6。1、200～500m1357。、1、。700m6200～500m200～400m。1.3T3—J1—1、—、、、30～126m———600m8。1.4E229。1—。、、50～250m152m80～220m240m100～180m200m。1—。、2200m200～1200m。。、。1、—。、。1/mEq200～2200——Ex1100～250、、—T3—J1、、600～1500—P100～300S1300～700、、、Ow0～500、、O1、100～300—、∈1300～700、Z2、50～200—、、2Ⅰ。0.74%3—1.00%～3.22%—1.50%～6.84%36191.5%～3.0%。Ro2.5%～3.5%4.37%10—。Ⅰ、。0.5%～8.0%6.00%～11.76%。Ro3.07%～3.29%—10。、Ⅱ1。2.0%～4.0%3.0%5.0%。Ro3.07%～3.29%。—Ⅲ85.2～97.3%1%～6%2.73%8Ro0.87%～1.15%。。ⅠⅡ1Ⅰ42%1.37%～2.67%Ro0.64%ⅠⅡ1、Ⅱ21.16%～3.26%1.5%Ⅰ1.26%～2.62%Ro0.7%。。ⅠⅡ0.61%/15.8%5.0%～11.3%11。3、、、、。1230m1.5%Ro1.0%ⅢRo0.6%。1—、、、、2。1、137241、。、—。、。2ⅠⅡ—ⅢⅠ、Ⅱ1—。3、、3、、、、。1.J.200424715－18.2.J.201017612－17.3.C//..200254－61.4.J.200134267－73.5.J.200924617－20.6.M.200739.7.J.2001155317－321334.8.M.1991329.9.J.20041169－11.10.—J.200916330－33.11.M.1997118.12.J.20101751－7.ReservoircharacteristicsoftheQingshankouformationinthewestofDaqingzijingareaHUWangshui1MALinrui1SHUZhiheng1GUONing21．MOEKeyLaboratoryofOil＆GasResourcesandExplorationTechnologyYangtzeUniversityJingzhouHubei434023China2．LiaoheOilfieldCompanyPetroChinaPanjinLiaoning124010ChinaAbstractReservoircharacteristicsaffectoilgasandwaterpercolationcharacteristicsandrecoveryfactorthereforereservoirchar-acterizationandcomprehensiveevaluationareverynecessarytounderstandingresidualoildistributiontakingrationalmeasuresandimprovingrecoveryfactor．TheQingshankouformationinthewestofDaqingzijingareaisalowpermeabilitylithologicreservoir．Thereservoirhasbeenstudiedinregardsofphysicalpropertieslithologyreservoirspaceandporestructureusingdataofcastthinsec-tionsandstonethinsectionandmercuryintrusionanalysis．TheresultsindicatethattheQingshankouformationinthewestofDaqingzijingareagenerallybelongstolow－mediumporosityextra－lowtolowpermeabilityreservoir．ThesandstonesintheQings-hankouformationaredividedintofourtypeswithTypeIIIandTypeIVbeingdominantreservoirs．KeywordsreservoircharacteristicslowpermeabilitylithologicreservoirmercuryintrusionanalysisreservoirspaceDaqingzi-jingareaAnalysisofhydrocarbonaccumulationfactorsinthemiddleofwestslopeofShuludepressionLIDong－mei1DAIMing－jian2YUXing－he2LISheng－li21．WinfieldOilServicesLtd．Beijing100191China2．ChinaUniversityofGeosciencesBeijing100083ChinaAbstractReservoirswithdifferentkindsoftrapsexistinShuludepressionandthehydrocarbonaccumulationpatternsdiffergreatlywithinthedepressionduetocomplicatedlithologyandwell－developedfaultssothemajorcontrolconditionsoftheaccumulationsneedfurtherunderstanding．Thispapercomprehensivelyusedtheseismicdrillinglogginggeologicandgeochemicaldatainvesti-gatedthedistributionpatternsofthesourcerocksandthedevelopmentfeaturesoffaultsystemsinthestudyareaandsummarizedthecontrolfunctionofthespatialconfigurationbetweenfaultsandsourcerocksonthehydrocarbonaccumulationsinthearea．ThehydrocarbonaccumulationsinfaultblockJin105Jin95Jin93andJin94areallcontrolledbythespatialconfigurationbetweenfaultsandsourcerocks．Theinvestigationofthespatialconfigurationbetweenfaultsandsourcerockscouldpredictthepotentialfa-vorableoilandgaszonesandprovideguidancefortheexplorationanddevelopmentofthestudyarea．KeywordsreservoirtraphydrocarbonsourcerockhydrocarbonaccumulationfactorShuludepressionDevelopmentcharacteristicsofmudshaleandshalegasformationconditionsinthemiddleYangtzeregionZHUDing－wei1DINGWen－long1DENGLi－hua2YOUSheng－gang1ZHAOSong11．ChinaUniversityofGeosciencesBeijing100083China2．ZhanjiangBranchofCNOOCLtd．ZhanjiangGuangdong524057ChinaAbstractMultiplesetsofmarinedarkshaleweredevelopedintheSinianandPaleozoicandonesetofcoalmeasurestratawasde-velopedintheupperTriassiclowerJurassicinthemiddleYangtzeregionandtwosetsofcontinentaldarkshaleweredevelopedinthePaleogeneintheJianghanBasin．Theshaleintheseareaspossesseslargethicknesshighcontentoforganiccarbonandmod-eratematurityandtheycorrelatewellwiththeAmericanbasinsthatproduceshalegas．BasedonthepreviousresearchresultsofthemiddleYangtzeregionandthelatestresearchachievementsinshalegasthepaperinvestigatedthedevelopmentcharacteristicsofmudshaleandtheshalegasformationconditionsinthemiddleYangtzeregion．ItisconcludedthatthemiddleYangtzeregionhasfavorablegeologicalconditionsfortheformationofshalegasreservoirsespeciallytheareaswestofHubeiandeastofChongqingwesternHunanandHubeisouthernJianghanBasinandsoutheastHubeiarethebestcandidatesforexploration．KeywordsshalegasmudshaleformationconditiondistributioncharacteristicsmiddleYangtzeJianghanBasinAnalysisoftheLowerCretaceoussourcerocksinNanbeierdepressionandtheimplicationsforhydrocarbonaccumulationLIJingLIUChengzhiGAOJuanSunYanNortheastPetroleumUniversityDaqingHeilongjiang163318ChinaAbstractTherearethreesetsofdarkshaledevelopedinLowerCretaceousinNanbeierdepression．InthispaperthebiomarkersanddistributionfeaturesoftheLowerCretaceoussourcerocksandoilsandsinNanbeierdepressionwereanalyzedandtheoilsourceswerecomparedwithgeochemicalmethods．Comprehensivean