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ISSN10092722
CN371475/P
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MarineGeologyFrontiers
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Fig.2 Cenozoicstratigraphyandtectonosedimentary
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Table1 Geochemicalparametersderivedfromthesampleoftheoligocenemudstonesand
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犘犃犔犈犗犌犈犖犈犎犢犇犚犗犆犃犚犅犗犖犛犗犝犚犆犈犛犃犖犇犜犎犈犐犚犘犈犜犚犗犔犈犝犕
犌犈犗犔犗犌犐犆犃犔犛犐犌犖犐犉犐犆犃犖犆犈犐犖犢犐犖犌犌犈犎犃犐犅犃犛犐犖,
犖犗犚犜犎犠犈犛犜犈犚犖犛犗犝犜犎犆犎犐犖犃犛犈犃
LIXiaotang1,2,YUShuyou
3,HEJiaxiong1,2,JUYiwen2,ZHANGWei1
,2
(1CASKeyLaboratoryofMarginalSeaGeology,GuangzhouInstituteofGeochemistry,
ChineseAcademyofSciences,Guangzhou510640,China;
2UniversityofChineseAcademyofSciences,Beijing100049,China;3ZhanjiangBranch,CNOOCEnergyTechnologyand
ServiceDrillingandProductionCompany,Zhanjiang524057,Guangdong,China)
犃犫狊狋狉犪犮狋:Goodsourceconditionsarethematerialbasisandbasicprerequisiteforhydrocarbonforma
tion,accordingtothetheoriesofpetroleumsystemandthepoolformingdynamics.However,there
searchofPaleogenehydrocarbonsourcesislackintheYinggehaiBasin.Thispaperhas,forthefirst
time,madeasystematicanalysisonthedistributionofPaleogenecontinentaldepositsandthecharac
teristicsofthelacustrineandcoalbearingsourcerocksbasedonregionalgeologyandtectonosedimen
taryevolutionaryhistoriesintheYinggehaiBasin.Usingcomprehensivegeophysicalandgeochemical
methodsandtheresultsofseismicinterpretationintheslopezonesandontheLingaobulge,where
theoverlyingNeogeneQuaternarysedimentsarethinandPaleogeneburiedshallowly,thepapercon
firmstheexistenceofPaleogenehydrocarbonSource.Onthebasis,Paleogenehydrocarbonsource
conditionanditspetroleumgeologicalsignificancewereanalyzedindetails.Theresultsshowthatthe
abundanceandmaturityoftheorganicmatterandthetypeofsourcematerialsdifferfromplaceto
place.Moreover,inthelightofthedistributionandthecontrollingfactorsofthePaleogenesource
rock,thepapermadeaforecastoffavorableexplorationareasofPaleogenereservoirsandburiedhill
reservoirspreliminarily.
犓犲狔狑狅狉犱狊:Paleogenesourcerockcondition;Paleogenereservoirs;buriedhillreservoirs;favorable
explorationregion;YinggehaiBasin
52