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1、學(xué)兔兔www.xuetutu.com中國石油勘探第19卷第2期CHINAPETROLEUMEXPLORATION2014年3月DOI：10．3969／j．issn．1672-7703．2014．02．002流體封存箱與天然氣成藏以鄂爾多斯盆地蘇里格氣田為例文彩霞李艷張輝趙小會賈俊(1中國石油長慶油田公司勘探開發(fā)研究院，陜西省西安市710018；2中國石油集團渤海鉆探第一錄井公司，天津300280；3中國石油集團川慶鉆探鉆采工程技術(shù)研究院，陜西省西安市710018)摘要：引入流體封存箱理論，探討了異常壓力與流體封存箱形成的關(guān)系，并建立了流體封存箱模型。通
2、過氣源巖埋藏史、構(gòu)造熱演化史、次生孔隙發(fā)育史、成巖圈閉孕育史及天然氣運聚史等五史分析研究，并結(jié)合氣液包裹體均一溫度及自生伊利石K—Ar同位素測年資料，將鄂爾多斯盆地蘇里格氣田盒8、山1氣藏的形成時間確定為晚侏羅世一早白堊世。并在此基礎(chǔ)上，總結(jié)了研究區(qū)天然氣成藏演化模式。通過對研究區(qū)生、儲、蓋、圈、運、保等天然氣成藏要素的綜合研究，總結(jié)了天然氣富集規(guī)律：生烴強度控制了天然氣的富集程度；優(yōu)勢運移通道是天然氣運聚的基本途徑；儲層物性優(yōu)劣是影響天然氣富集的關(guān)鍵因素。關(guān)鍵詞：鄂爾多斯盆地；蘇里格氣田；異常壓力；流體封存箱；天然氣成藏中圖分類號：TEl12．3文獻
3、標(biāo)識碼：AFluidCompartmentandGasAccumulation—TakeSuligeGasFieldinOrdosBasinforExampleWenCaixia，LiYan2，ZhangHui，ZhaoXiaohui，JiaJunl1ExplorationandDevelopmentResearchInstituteofPetroChinaChangqinOilfieldCompany,Xi'anCiShaanxiProvince710018,"2No．LogCompanyofCNPCBohaiDrillingCompany,Tian
4、jin300280；3DrillingEngineeringTechnologicalResearchInstituteofCNPCChuanqingDrillingCompany,Xi'anCf以ShaanxiProvince710018)Abstract：Withintroductionofthefluidcompartmenttheory,thispaperdiscussestherelationsbetweenabnormalpressureandfluidcompartmentandestablishesthefluidcompartment
5、mode1．Basedonanalysisofsourcerockburiedhistory,structuralthermaldevelopmenthistory,secondaryporousandfracturaldevelopmenthistory,diagenetictraphistoryandnaturalgasmigrationandaccumulationhistoryandcombinedwiththehomogenizationtemperatureofgas—liquidinclusionsandauthigenicilliteK
6、andArisotopicdatingdata，thetimefordevelopmentofHe一8andShan一1gasreservoirsofSuligeGasFieldinOrdosBasinisdeterminedasLateJurassic—EarlyCretaceous．Thepaperalsosummarizesthenaturalgasaccumulationanddevelopmentpatteminthestudyregiononthebasisoftheabove·mentionedconclusion．Itmakesacom
7、prehensivestudyofthenatm-algasaccumulationelementsinthestudyregion，suchassourcing，reservoir,capping，sealing，migrationandstorage．Thesummarizednaturalgasabundancelawindicatesthatsourcingintensitycontrolsnaturalgasabundancedegreewhilethefavorablemigrationchannelsarethebasicpathsfor
8、naturalgasmigration．Thephysicalpropertiesofrese
