引用格式：高晨阳，赵福海，高莲凤，等，2023.基于构造应变分析的裂缝预测方法及其应用[J].地质力学学报，29（1）：21−33.DOI：10.12090/j.issn.1006-6616.2022089Citation:GAOCY，ZHAOFH，GAOLF，etal.，2023.Themethodsoffracturepredictionbasedonstructuralstrainanalysisanditsapplication[J].JournalofGeomechanics，29（1）：21−33.DOI：10.12090/j.issn.1006-6616.2022089基于构造应变分析的裂缝预测方法及其应用高晨阳1，赵福海2，高莲凤1，李丙喜3，雷茂盛3，丁恺1GAOChenyang1，ZHAOFuhai2，GAOLianfeng1，LIBingxi3，LEIMaosheng3，DINGKai11.辽宁工程技术大学矿业学院，辽宁阜新123000；2.大庆油田有限责任公司勘探事业部，黑龙江大庆163453；3.北京天元云开科技有限公司，北京1000851.MiningCollege,LiaoningTechnicalUniversity,Fuxin123000,Liaoning,China;2.ExplorationEnterpriseDepartmentofDaqingOilfieldCo.Ltd.,Daqing163453,Heilongjiang,China;3.BeijingTianyuanyunkaiTechnologyCo.Ltd.,Beijing100085,ChinaThemethodsoffracturepredictionbasedonstructuralstrainanalysisanditsapplicationAbstract:Formationstraincandirectlyaffectthegenerationofstructuralfractures.Accordingtothemagnitudeofstructuralstrain,thelocationandintensityofstructuralfracturedevelopmentcanbepredicted,andthechieffracturedevelopmentareasinthestudyareacanbedivided.ThispapertakesthefourthmemberoftheYingchengformation(referredtoastheYING-4section)intheXuzhongareaoftheXujiaweiziriftintheSongliaobasinastheresearchobject.Basedonestablishingadetailed3Dstructuralmodelofthestudyarea,weusedthe“structuralrestoration”methodtorestorethepaleo-structureofthestudyareaandcalculatedfinitestrainvaluestopredicttheplanardistributionofstructuralfractures.TheresearchshowsthattheYING-4sectioninthestudyareamainlyincludesthreefracture-makingperiods,namelytheendoftheYingchengformation,theQuantou–to–Qingshankouformation,andtheNenjiangformation.Amongthem,thetectonicdeformationattheendoftheYingchengformationandtheQuantou–to–Qingshankouformationisrelativelystrong,whichisthemainformationperiodofthefracture.Thestudyareaisdividedintothreetypesoffracturedevelopmentzonesaccordi...
