关键词: 松辽盆地, 基准面, 层序地层学, 特征

Abstract: The facies sequence characteristic in Xingshugang-Taipingtun area in Songliao basin is analyzed by means of principle and method of sequence stratigraphy, detailed core data, recognizing the short-term cycle of datum level and its type in Fuyang reservoir. The well log response model of the datum cycle is developed through core calibration and well logging,classifying the middle-term cycle of datum level. The strati-graphic cycles of short, middle and long terms are presented by integrated analyses of core, well log,logging and 3D seismic data. Based on these, the isochronal stratigraphic framework of Fuyang reservoir is established, and the fluvial-delta sequence feature and evolution process are studied in thes paper.

Key words: Songliao basin, datum, sequence stratigraphy, feature