黃河口凹陷古近系砂巖儲(chǔ)層巖石學(xué)及成巖作用特征研究

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1、JournalofOilandGasTechnology石油天然氣學(xué)報(bào),2017,39(2),16-24PublishedOnlineApril2017inHans.http://www.hanspub.org/journal/jogthttps://doi.org/10.12677/jogt.2017.392012ResearchonPetrologyandDiagenesisCharacteristicsofSandstoneReservoirinPalaeogeneofHuanghekouDepressionChunchenZhao1,HaoLi

2、u2*1ResearchInstituteofShaanxiYanchangPetroleum(Group)Co.Ltd.,Xi’anShaanxi2SchoolofOceanScience,ChinaUniversityofGeosciences(Beijing),BeijingthrdthReceived:Dec.14,2016;accepted:Feb.23,2017;published:Apr.15,2017AbstractBecausethesandbodytypeanddiageneticprocesswerecomplexinthePal

3、aeogenereservoirofHuanghegouDepression,forthepurposeofprovidingthebasisforthereservoiroptimization,itwasnecessarytosumupthePalaeogenepetrologicanddiageneticcharacteristicsinthedepres-sion.Throughplentyofbasicanalysesanddrillingsliceobservation,thecharacteristicsofgrey-wackeandpu

4、resandstoneweredistinguishedanditwasdefinedthatthepuresandstonewasthemajorreservoirinPalaeogene.Andthepuresandreservoirsweredividedintothreetypesandeightkinds.InthePalaeogeneofHuanghegouDepression,arkosewasdominant.Meanwhile,fromthebottomup,theproportionofquartzsandstonetypeshow

5、edincreasingtrendandlithicsand-stonetypewasindecreasingtrend.Duringthediageneticprocess,sandreservoirhasexperiencedcompactionpressolution,cementation,metasomatism,alteration,dissolutionandclaymineraltransformation.Thewholediagenesisprocessandreservoirphysicalpropertyindifferentz

6、onesareinfluencedbythedifferencesofpetrologiccharacteristics.KeywordsSandReservoir,PetrologyCharacteristics,Compositions-GenesisType,Diagenesis,Palaeogene,HuanghekouDepression*通信作者。文章引用:趙春晨,劉豪.黃河口凹陷古近系砂巖儲(chǔ)層巖石學(xué)及成巖作用特征研究[J].石油天然氣學(xué)報(bào),2017,39(2):16-24.https://doi.org/10.12677/jogt.201

7、7.392012黃河口凹陷古近系砂巖儲(chǔ)層巖石學(xué)及成巖作用特征研究黃河口凹陷古近系砂巖儲(chǔ)層巖石學(xué)及成巖作用特征研究12*趙春晨，劉豪1陜西延長(zhǎng)石油(集團(tuán))有限責(zé)任公司研究院，陜西西安2中國(guó)地質(zhì)大學(xué)(北京)海洋學(xué)院，北京作者簡(jiǎn)介：趙春晨(1987-)，男，博士，工程師，主要從事油氣勘探及儲(chǔ)層預(yù)測(cè)等方面的研究工作。收稿日期：2016年12月14日；錄用日期：2017年2月23日；發(fā)布日期：2017年4月15日摘要黃河口凹陷古近系儲(chǔ)集砂體類型和成巖過(guò)程復(fù)雜，為儲(chǔ)層優(yōu)選提供依據(jù)，需要全面總結(jié)黃河口凹陷古近系砂巖儲(chǔ)層的巖石學(xué)特征和成巖作用特征。通過(guò)大量的基礎(chǔ)分析測(cè)

8、試工作以及鉆井薄片觀察，將雜砂巖和凈砂巖的特征進(jìn)行區(qū)分，明確了凈砂巖是古近系的主要儲(chǔ)層，并將其