第43卷第3期2023年6月投稿网址：http：//journal.lnpu.edu.cn辽宁石油化工大学学报JOURNALOFLIAONINGPETROCHEMICALUNIVERSITYVol.43No.3Jun.2023德惠断陷营城组火山岩储层特征及主控因素杨晶，岳庆友，蒋睿，王海栋，徐长熠，黄浩（辽宁石油化工大学石油天然气工程学院，辽宁抚顺113001）摘要：通过储层物性分析、岩心铸体薄片及X衍射测试等方法，针对德惠断陷营城组火山岩储集空间类型、储层物性及主控因素进行了系统研究。结果表明，德惠断陷营城组火山岩蚀变作用较强，储集空间以溶蚀孔和溶蚀缝为主；凝灰岩和英安岩平均孔隙度分别为12.40%、7.47%，渗透率均小于1.000mD，属于Ⅲ类储层，根据声波时差和电阻率测井方法可进一步识别含气地层；岩性和岩相是储层发育的主要控制因素。结合地震反射特征，分别建立了侵出相⁃喷溢相和爆发相岩相模式，为厘清研究区火山岩成储机理和储层分布规律提供了重要的理论依据。关键词：德惠断陷；营城组；火山岩储层；主控因素中图分类号：TE121文献标志码：Adoi：10.12422/j.issn.1672⁃6952.2023.03.007CharacteristicsandMainControllingFactorsofVolcanicRockReservoirsinYingchengFormationofDehuiFaultDepressionYangJing，YueQingyou，JiangRui，WangHaidong，XuChangyi，HuangHao（CollegeofPetroleumEngineering，LiaoningPetrochemicalUniversity，FushunLiaoning113001，China）Abstract:Thetypesofvolcanicrockreservoirspace,reservoirphysicalpropertiesandthemaincontrollingfactorsweresystematicallystudiedbythemethodofreservoirphysicalpropertyexperiment,corecastingthinsectionobservationandX⁃raydiffractiontest.TheresultsshowthattheYingchengformationvolcanicrocksintheDehuifaultdepressionhavestrongalteration,andthereservoirspaceisdominatedbydissolutionporesanddissolutionfractures.Theaverageporosityoftuffanddaciteare12.40%and7.47%,respectively,andthepermeabilityislessthan1.000mD,belongingtotypeⅢreservoirs.Gas⁃bearingformationscanbefurtheridentifiedbasedonacousticandresistivityloggingmethods.Lithologyandlithofaciesarethemaincontrollingfactorsforthedevelopmentofreservoirs,andlithofaciesmodelsofextrusivefacies,extrusivefaciesandexplosivefacieswereestablishedincombinationwiththecharacteristicsofseismicreflections.Itprovidesanim...
