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简介：Thebasinsbcaring0ilandgasinChinab1ongt0mu1titudinousmassifbasinswliichevo1vcdandformcdduringdiwaperiodf0llowingtheplatf0rmdisintegration.Nomatterint0whatstageintect0nicev0lutiondidabasindeve10p,thccrust0bodycharactcr0fthcbasinbasementhastliesamesignaturc.IntheBohaigulfbasinctc’whichhasc0met0diwasta8

简介：数据熔化，新研究域，是现代信息技术和许多另外的题目的集成和扩展。数据熔化概念被介绍，Dempster-Shafer证据推理被描述并且适用于油和煤气的察觉。方法的一个例子用数字模拟数据被显示出。处理结果显示数据熔化方法能广泛地在烃察觉被使用。

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简介：Thesourcesofmarineoilspillsaremainlyfromaccidentsofmarineoiltankersorfreighters,marineoil-drillingplatforms,marineoilpipelines,marineoilfields,terrestrialpollution,oil-bearingatmosphere,andoffshoreoilproductionequipment.Itisconcludeduponanalysisthattherearetwomainreasonsformarineoilspills:(I)Themotiveforhugeeconomicbenefitsofoilindustryownersandoilshippingagentsfarsurpassestheirsenseofecologicalrisks.(II)Marineecologicalsafetyhasnotbecomethemainconcernofnationalsecurity.Oilspillsaredisastersbecausehumanssparenoeffortstogeteconomicbenefitsfromoil.Thepresentpaperdrawsanotherconclusionthatmarineecologicaldamagecausedbyoilspillscanberoughlydividedintotwocategories:damagetomarineresourcevalue(directvalue)anddamagetomarineecosystemservicevalue(indirectvalue).Marineoilspillscausedamagetomarinebiological,fishery,seawater,tourismandmineralresourcestovariousextents,whichcontributestothelowerqualityandvalueofmarineresources.

简介：AnoilflowobtainedfromtheMiddleOrdovicianFengfengFormationcarbonatereservoirinthewellKG-3,Kongxiburial-hillzonein1993markedabreakthroughinpetroleumexplorationofthehigh-matureLowerPalaeozoicstrata,NorthChina.BoththeLowermemberoftheFengfengFormationandtheSecondMemberoftheUpperMajiagouFormationintheMiddleOrdovicianaresupposedtobethemainsourcebeds.Oilgenerationpeaksrangefrom1.0%to1.6%inRo,showinga搇ageffect?ofoilgenerationinhigh-maturecarbonatesourcerocksundermulticyclictectonicmovementconditions.TheKongxiburial-hillzoneadjoinsapotentialOrdoviciansourcekitchen.TheKG-3Ordovicianburial-hillreservoirhasundergonetwooilfillingevents,i.e.,anearlyeventintheLateCarboniferous-PermianandamoresignificantlateeventintheearlyEogene.

简介：油的主要迁居的模拟实验在巨大的样品上被执行。结果证明从源岩产生的油在一个独立的油阶段形式被驱逐。高油逐出效率被观察。因而油的主要迁居不直接依赖于从源岩产生的油的数量。因此，尽管某源岩产出仅仅油的有限数量，油逐出比例高。很多气体油产生同时被生产。因此，这能被结束为油的主要逐出精力主要移植来自这些气体。

简介：ThickenedheavyoilsinChinaaregeneticallycharacteristicofcontinenta.Astotheirphysico-chemicalproperties,theseoilsareveryhighinviscosityandlowinsulphurandtraceelementcon-tents.Inthegroupconstituents,theconcentrationsofnon-hydrocarbonsandasphalteneareveryhighbutthoseofsaturatedhydrocarbonsandaromaticsareverylow.Thegaschromatogramsofalkanesshowthattheseheavyoilshavehighabundancesofiso-alkanesandcyclichydrocarbons.Inallthesteroidsandterpenoids,bicyclicsesquiterpenoids,tricyclicditerpenoids,re-arrangedsteranesandgammaceranearestronglybildegradation-resistent.Theformationofheavyoilreservoirsiscontrolledmainlybylatebasinascendance,biodegradation,flushingbymeteoricwaterandoxidationintheoil-bearingformations.Ac-cordingtotheirformationmechanisms,heavyoilreservoirscanbeclassifiedasfourcategories:weatheringanddenudation,marginaloxidation,secondarymigrationandthickeningofbottomwater.Spacially,heavythickoilreservoirsaredistributedregularly:theyusuallyshowsomeparageneticrelationshipswithnormaloilreservoirs.Heavyoilreservoirsoftenoccurinstructuralhighsorinoverlyingyoungerstrata.Theirburialdepthisabout200m.Horizontally,mostofthemaredistributedonthemarginsofbasinsordepressions.

简介：About26sedimentarybasinsbearingoilandgasaredevelopedinChina.Theycanbeclassifiedintotwomaintypes,extensionalbasinsandforelandbasins.Theformerarechieflydistributedintheeasternpartandthelatterinthecentralandnorthwesternpartsofthecountry.Thepresentpaperdiscussesthestructuralcharacteristicsofthesebasins,includingsubsidencehistory,thermalhistoryandstructuralstyleandkinematics.Combinedwithtectonicsettinganalysisofgeophysicaldataanderuptiverocks,thegeodynamicsettingofthebasinsisestablished,andtheformationmechanismofthebasinsisdeducedtohavebeenrelatedtothesubductionoftheIzanagiandwestPacificplatesandtheclosingoftheTethysocean.

简介：Studiesoforganicinclusionsfromtheoffshoreoilandgasfieldsprovidemuchinformationaboutthenumberoftimes,temperature,depth,timeandphasestateofoil-gasmigration,aswellasaboutthecompositionoforganicinclusions.Onthebasisofthetype,character,compositionanddistributionoforganicinclusionsintheZhu-ⅢDepressionatthePearlRiverMouth,informationcanbedevelopedaboutthesourcerocksofoilandgas,andtheirevolutionandmigration.

简介：Inthispaper,anewconceptcallednumericalstructureofseismicdataisintroducedandthedifferencebetweennumericalstructureandnumericalvalueofseismicdataisexplained.Ourstudyshowsthatthenumericalseismicstructureiscloselyrelatedtooilandgas-bearingreservoir,soitisveryusefulforageologistorageophysicisttopreciselyinterprettheoil-bearinglayersfromtheseismicdata.Thistechnologycanbeappliedtoanyexplorationorproductionstage.ThenewmethodhasbeentestedonaseriesofexploratoryordevelopmentwellsandprovedtobereliableinChina.Hydrocarbon-detectionwiththisnewmethodfor39explorationwellson25structuresindicatesasuccessratioofover80percent.Thenewmethodofhydrocarbonpredictioncanbeappliedfor:(1)depositionalenvironmentofreservoirswithmarinefacies,delta,ornon-marinefacies(includingfluvialfacies,lacustrinefacies);(2)sedimentaryrocksofreservoirsthatarenon-marineclasticrocksandcarbonaterock;and(3)burialdepthsrangefrom300mto7000m,andtheminimumthicknessofthesereservoirsisover8m(mainfrequencyisabout50Hz).

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简介：-Thetemperaturedistributionsobtainedbydifferentmethodsofanalysisforsolvingthermaltransferofreinforcedconcrete(R.C.)submarineoiltanks(RCSOT),includingflatwallmethod,cylinderwallmethodandfiniteelementmethod,arecomparedwiththeexperimentaldataofthermaltransferofRCSOT.Theprecisionandscopeofapplicabilityofdifferentmethodsarediscussed.TheprincipleforselectinganalysismethodforsolvingthermaltransferofRCSOTisgiven.TheanalyticalandexperimentaltemperaturedistributionsshowthatthewallofRCSOTshouldconsistofdoublewallsandemptyspacebetweenthemshouldbefilledwithsandorotherheatinsulationmaterialstoreducethetemperaturedifferenceofthewallandtopreventconcretefromcracking.

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简介：这研究的目的是表明杆菌SP3的基本特征并且在不同原油上评估它的效果。紧张SP3是在华东从Shengli油田的一座水库被孤立的能动的、克积极的、生产孢子的杆。紧张SP3的Thecells在5.5-8.5的氢指数范围在高温度成长了直到58℃。grewfacultatively拉紧SP3并且能使用不同器官的底层，并且生产一些代谢物如此的as4-hydroxy-4-methyl-2-pentanone，methyl-2-nitrogen苯并且1，2-benzenedicarboxylic酸bisest嗯。实验室研究证明了紧张变换了并且降级不同部件并且变化物理并且原油的化学性质。紧张SP3降级了原油和原油上的细菌的生长导致了芳香的烃，树脂和沥青质的损失。原油的简历变换将在更轻的烃和全面再分配导致丰富浸透烃。有原油的微生物的相互作用是可变的，取决于微生物引起的种类和原油的化学成分。

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简介：<正>HEATFLOWANDACCUMULATIONOFOIL/GASPOOLSINORDOSBASIN,NWCHINASunShaohua(ChangshaInstituteofGeotectonics-AcademiaSinica,Changsha,410013,Hunan,China)heatflowfeild,petroleum,Ordosbasin.ThispaperfocusesontheheatflowfieldofOrdosBasin,NWChina,bycombin-ingexperimentmethodofU,KandTh,heatgeneration,heatconductivity,etc.Inthelightofthecomprehensivestudyoftheexperimentaldataandlayerdivisionsofthecrust,theaverageheatofMohoinOrdosBasinis0.37HFU,muchlowerthanthatinNorthChinaBasin(0.64-0.97HFU)orthatinSongliaoBasin(1.19HFU),NEChina,showingthecharacteristicsoftheheatflowfieldofthestablecratonicbasin.Theaverageheatflowonthecrustsurfaceofthebasinisabout1.44HFU,similartothatinMesozoicdiwaorogenyoftheworld,probablyindicatingthatthediwastageissoonexpectedinthebasin.TheinterfacesfromMohotothesurfaceinOrdosBasinhavethesameheatflowdistribution-stylewithth

简介：Theoysters(Saccostreacuculiata)werecollectedfromfourstationsaroundXiamenIs-land(LunduPort,XinglinBay,Tong'anBay,Huangcuo).Therelationbetweenthelevelofpetroleumhydrocarboninwholetissueandthecontentsofglutathione(GSH),theactivityofselenium-dependentglutathioneperoxidase(Se-GPx)andglutathioneS-transferase(GST)indigestiveglandandgillwereinvestigated.Theresultsshowed:(1)Thecontentsofpetroleumhydrocarboninoystercollect-edfromfourstations(LunduPort,XinglinBay,Tong'anBay,Huangcuo)were380.68,112.34,27.31,20.37μg/gwetweight,respectively;(2)theactivityofSe-GPxandGSTindigestiveglandwaslowerthanthatingill,andthecontentofGSHseemedreversibly;(3)amongthefourstations,bothSe-GPxandGSTactivityofdigestiveglandandgillinSaccostreacuculiatasampledfromthefourstationsshowedagoodcorrelationwithwholetissuepetroleumhydrocarbon,couldbeasbiomarkersofseaoilpollution.

简介：TheHuhehuSagisoneofthemostimportantoilandgasdepressionsintheHailarBasin.However,theoriginofHuhehuoilisstillcontroversial.PreviousstudiesonsourcerockshavemainlyfocusedontheNantunFormation(K1n);afewstudieshaveinvestigatedtheDamoguaiheFormation(K1d).BasedontheRock–Evalpyrolysisparameters,172drillcuttingsamplesfromtheHuhehuSagwereanalyzedtoevaluatetheirgeochemicalcharacteristics.BasedontheRock–Evaldata,themudstonesfromthefirstmemberoftheDamoguaiheFormation(K1d1)andthesecondmemberoftheNantunFormation(K1n2)havemoderatetohighhydrocarbongenerationpotential,whilemudstonesfromthefirstmemberoftheNantunFormation(K1n1)havepoortogoodhydrocarbongenerationpotential.Additionally,boththeK1n1andK1n2coalmembershavepoortofairhydrocarbongenerationpotential,buttheK1n2coalmemberhasabettergenerativepotential.FifteenHuhehuoilswerecollectedformoleculargeochemicalanalysestoclassifytheoilsintogeneticfamiliesandtoidentifythesourcerockforeachoilusingchemometricmethods.TheHuhehuoilswereclassifiedintothreegroupswithdifferentmaturitylevelsusinghierarchicalclusteranalysisandprincipalcomponentanalysis.GroupAoils(highmaturity)arecharacterizedbyrelativelymoderateratiosofPr/Ph,Pr/n-C17,andPh/n-C18,aswellasanabundanceofC29steranes,mainlyderivedfromtheK1n2andK1n1mudstonemembers.Incomparison,groupBoils(moderatematurity)haverelativelylowPr/Phratios,moderatePr/n-C17andPh/n-C18ratios,andlowconcentrationsofC29steranes.GroupCoils(lowmaturity)showrelativelyhighratiosofPr/Ph,Pr/n-C17,andPh/n-C18,aswellashighconcentrationsofC29steranes.Furthermore,groupBoilsderivedfromtheK1d1mudstonememberandgroupCoilsderivedfromtheK1n2coalmemberwerealsoidentifiedbyprincipalcomponentanalysisscoreplots.CorrelationstudiessuggestamajorcontributionfromtheK1nmudstoneFormation