Putaohua group in Yushulin oilfield with regard to fluviatile delta includes four kinds of sand bodies with different origins: water-above ...

• 河口坝砂体及席状砂砂体，并建立了不同成因砂体的垂向层序模式及砂体空间展布模式，为油田进一步开发提供了一定地质依据。