河南科技HenanScienceandTechnology化工与材料工程总第800期第6期2023年3月油页岩注热生产期内污染物迁移规律研究董付科1于洁清1曹磊1周长冰2(1.河北地质职工大学地质工勘系,河北石家庄050081;2.绍兴文理学院土木工程学院,浙江绍兴330600)摘要:【目的目的】防止油页岩注热开采过程中污染物污染临近的含水层,有助于开发区防渗帷幕的设计及优化。【方法方法】利用数值软件分析了油页岩注热生产期内污染物沿各方向的迁移规律。【结果】油页岩生产期内,污染物污染范围随注热时间逐渐扩大,污染物沿水平方向扩散更为明显;污染物水平方向上浓度峰值出现在距生产井6m范围内,竖直方向上浓度峰值出现在油页岩矿层与顶底板交界处。【结论结论】污染物生产期间扩散运移规律为防渗帷幕的设计提供了参考。关键词:油页岩;原位改性;流体化采矿;污染物迁移;防渗帷幕中图分类号:TD83;X131文献标志码:A文章编号:1003-5168(2023)06-0095-04DOI:10.19968/j.cnki.hnkj.1003-5168.2023.06.019StudyonPollutantMigrationLawofOilShaleDuringHeatInjectionProductionPeriodDONGFuke1YUJieqing1CAOLei1ZHOUChangbing2(1.DepartmentofGeologyandEngineeringInvestigation,HebeiVocationallCollegeofGeology,Shijiazhuang050081,China;2.SchoolofCivilEngineering,ShaoxingUniversity,Shaoxing330600,China)Abstract:[Purposes]Inordertopreventpollutantsfromcontaminatingadjacentaquifersduringhotinjec⁃tionminingofoilshale,whichisbeneficaltodesignandoptimizeanti-seepagecurtainofthedevelop⁃mentzone.[Methods]Numericalsoftwareisusedtoanalyzethemigrationruleofpollutantsalongalldi⁃rectionsduringtheoilshalethermalinjectionproductionperiodandshutdownperiod.[Findings]Duringtheoilshaleproductionperiod,thepollutantpollutionrangegraduallyexpandswiththethermalinjectiontime,andthepollutantdiffusionalongthehorizontaldirectionismoreobvious;Thepeakconcentrationofpollutantsinthehorizontaldirectionappearswithin6mfromtheproductionwell,andthepeakconcen⁃trationintheverticaldirectionappearsatthejunctionoftheoilshaleseamandtheroofandfloor.[Conclusions]Thelawofdiffusionandmigrationofpollutantsprovidesreferenceforthedesignofanti-seepagecurtain.Keywords:oilshale;insitumodification;fluidizedmini...