摘 要: | 1.IntroductionTheGudaoandGudongoilfieldsarenon-comp~entalizedsboctUraloilfields.TheyareinthenorthoftheYellowriverestUny.ThemaintafgetzonesareShanhejieformation,Dongyingformation,Gu~oformationandMinghuazhengformationfrombottomtotop.theuPPerGuantaOformationisthemainoil-bearingseries.Thereismorethan85%oftotalreservesinthisformation(GuoShangpingetal.,1996).ThereservoirofGuantaoformationisastrUctUrallayeredoilreservoirwithhighporosity,highpermeability,highsatUrationandcoddle-highviscosity.…
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