The feature of Putaohua reservoir of the Sanzhao depression

By analyzing putaohua reservoir sedimentary environment and reservoir sedimentary characteristics,we have three conclusions.Known as follows:Putaohua reservoir is Northern bonaparte,belong to southeast south north water system branch;The sedimentary system type is large shallow river delta depositional system;Putaohua reservoir develop front phase facies with a great number of intensive development and narrow underwater channel deposition,which extends far away and underwater,until vanishing into thin sheet sand.