靖邊氣田沉積特征及其成藏規(guī)律.pdf

1、分類號：——密級：——單位代碼：!Q盟Z學號：!QQ311Q西北大學博士學位論文題目：堇墊氫圈沉麴掛塹厘墓盛癟趣徨作者：王勇指導老師：奎室厘專業(yè)技術職務：塾援學科(專業(yè))一芷塑堂!鲞互堂!貯廢堂答辯日期：壘QQZ生魚旦學位授予日期：二oo七年六月TheSedimentaryCharacteristicsAndTheHydrocarbonAccumulationLawOfJingbianGasFieldAbstract：OrdosBasi

2、nhasarichgasresource，howeveronlyfewofithasbeenexploredThefifthmemberofMajiagouFormationinOrdovicianiSoneofthefavourableseriesofstratum，andJingbiangasfieldisthemajorgasblockWiththeextensiononthegasfielddevelopmentandprodu

3、ction，itseemsmoreurgenttokeepthestableproductionandenlargegasareaandthereservesResearchingthedistributionofoilandgasthroughapplyingnewtechnologyandmethodwillbethefruitfulmeasuretoexploretheeasternpartofJingbianBuffedplat

4、form，SOthispaperisimplementedThispaperisbasedonthefruitsofthepreviouspeopleAnditmakesfulluseofthepresentmaterialsthatconcerningtodrilling，logging，gastestingandsampletestingTakingsedimentarytheoryastheacademicguidelineand

5、applyinggeochemistryindexescorrelationtechnologythispaperhasdefinedthedifferencebetweenhighevolutionseafaciespropelictypegasandcoalformedgasfirstlyThenithasconfirmedthegasreservoirsedimentaryenvironmentandsedimentarymode

6、lbasedonthesedimentarycharacteristicsoflithologycombinationandthediagenesisThirdlytroughquantitativeevaluationonresidualkarststrength，ithasmadesurethedevelopinggasfieldzoneFourthlyithasevaluatedthesealabilityofcapformati

7、onandreservoirfeaturesthroughanalyzingtheexperimentandloggingresultsLastbutnottheleast，throughcombiningthemethodsofgastransportationthispaperhasconcludedthehydrocarbonaccumulationlawsystematicallyandpredictsthefavourable

8、explorationzoneintheeasternpartofJingbianBuriedplatformThispapernotonlydefinestheSedimentaryenvironmentinJingbiangasfieldastidefiat，butalsomakessurethatthesourcerockconsistsofcarbonateinOrdovicianmainlyItalsofindsepidiag

9、enesisenvironmentfreshwaterdiagenesisandshallowburialdiagenesiscancontributetotheaccumulationandenlargementofstratumporesAtthesauletime，itfindsthatreservoirsedimentarydiageneticcancontrolthestorageandproductionofreservoi

10、fPrecarboniferouskarstpalaeogeomorphologyinJingbiangasfieldcancontrolthedevelopmentofthereservoir，andthetypeofgasreservoirisstratigraphictrapCombiningthesourcerocks，capformation，reservoirtrapandanalysispreservationcondit

11、ion，thispaperconcludestheHydrocarbonAccumulationLawandgasaccumulationconditioninJingbiangasfield，proposesthatShah227areatheeasternofShanl06areaandtheotherthreeareasarethebestzonetoexploreintheeastempartofJingbianBuriedpl