摘要
LaiyangformationofJiaolaiBasinisthetargetstratumforoilandgasexploration.Bymeasuringseveralfieldsections,theauthorsfindthatLaiyangformationrevealsthewholeprocessesfromdevelopmenttodeathofthelakebasinanditssedimentaryfaciesdifferindifferentstructurallocations.AnalysesaboutsedimentaryfaciesandpaleocurrentorientationsinassociationwithresearchesaboutthepositivetectonicunitssuchasDayetouhorsebackandChaigouhorstindicatethatLaiyangsagisarelativelyindependentsedimentaryunitthatshowsgreatwaterdepthtypicalofdeeplakeorsemideeplakeandwascontrolledbyWulongcunfaultduringthedepositionperiodofLaiyangformation.ItssedimentsmainlyoriginatedfromJiaobeiupliftareaandDayetouhorseback.Gaomi-Zhuchengsagwasafast-filledbasincontrolledbyWurongfaultandYishufaultzone,beinghighinthenortheastandlowinthenorthwestandcharacterizedbythedevelopmentofpluvialfaciesandfluvialfaciesinmostareas,andwiththedevelopmentoflakefaciesbeinglimitedtolocallow-lyingregions.Selectionofadvantageoushydrocarbonreservoirareasforexplorationpurposemainlyreliesonthesedimentationpatternofprototypebasinandconservationconditions.Thecentral-westareaofLaiyangsagcoveredbyoverlyingLaiyangformationisthemostadvantageousexplorationarea.
出版日期
2004年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)