正寧-宜君地區(qū)長(zhǎng)6儲(chǔ)層特征及控制因素研究.pdf

1、學(xué)位論文創(chuàng)新性聲明本人聲明所呈交的學(xué)位論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝中所羅列的內(nèi)容以外，論文中不包含其他人已經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果；也不包含為獲得西安石油大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書(shū)而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中做了明確的說(shuō)明并表示了謝意。申請(qǐng)學(xué)位論文與資料若有不實(shí)之處，本人承擔(dān)一切相關(guān)責(zé)任。論文作者簽名：!訇國(guó)日期：絲笸：正z2學(xué)位

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4、n，itscharacterizedbylowdegreeofhydrocarbonexplorationRecentlythisareaofYanchangformationiswithprolificinoil&gasHowerduetotheunevendistributionofdrillingandlessquantitynoonehasstudiedonthesedimentaryfades，diagenesisandres

5、ervoircharacteristicssystematicallyinthisareaThispapergoesontoresearchanddiscussthecharacteristicsofpetrologymicroscopicreservoircharacteristics，diagenesisandreservoirphysicalpropertiesInthisprocess，thispaperanalysesthis

6、pointsbymeansofmethodsundertheguidanceofsedimentology，reservoirsedimentologyandoilgeologyMainlyanalyzesthereservoircharacteristicandcontrolfactorsThepapersuggeststhatthesandstonereservoirofChang6formationwasdepositedonth

7、ebackgroundofgravityflowdeltalakesedimentenvironmentaccordingtosedimentaryframework，structure，sedimentaryrhythm，loggingresponsecharacteristicsandthesedimentarybackgroundofthisareaThesandyclasticflowandthefavorablefadesbe

8、ltsfordevelopingreservoirWasturbiditeThemaindiagenesisinthestudiedareaincludedthemechanicalcompaction，pressuresolution，cementation，dissolution，metasomatismandruptureOnthebasisofcarbonandoxygenisotopicvaluesincarbonatecem

9、ent，laserRamandatamudstoneofvitrinitereflectance(group)andX—raydiffractionanalysisofclayminerals，thediagenesisofthereservoirsandstoneofChang一6isduringtheperiodofmiddlediagenesisAwithfivefaciesofdiagenesisdevelopment，incl

10、udingsolutionporesresidualintergranularporefacies；illite，chloritecementationresidualintergranularporefacies；llite，chloritecementationfacies；carbonatecementationfacies；shalecompactioncementationfaciesAbundantcoredescripti

11、onandobserving，observationofthin—sectionofthecast，electronscanmicroscopeandexperimentalanalysisindicatethattheChang6reservoirsandbodiesmainlyisfineveryfinegrainedlithicarkoseandfeldspathiclitnicsandstone，andthemaintypeof

12、poreisfeldspardissolutionporosityandresidualintergranularporosityItbelongstoextremelylowporositywithextremelylowpermeabilityreservoirTheporetextureofChang一6memberissmallsizedporositywithminutethroats，andthefractureofthis