摘 要: | l.GeologicalSettingShanbeiGasFieldliesincentralOrdosBasin,northShanxiprovince,withlOolQnwidthfromeasttowestand17Okinlengthfromnorthtosouth(Fig.1).Asthegasreservesisabouthundredsofbillioncubicmeters,ShanbeiGasFieldhasbecomethenatUalgassuPplybaseforBeijing.ThegasreservoirsofShanbeiGasFieldaretheuPperordovicianMajiagougrouP.ThereexisttWosetsofgaspotentialsources,theloweranduPperPaleozoicinOrdosBasin.ThelowerPaleozoicsourcerocksaremarineorlagooncarbonatCs,anditsgasiscalledoil-formedgas…
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