The Appl ications and Study of Cycle Sequence Stratigraphy

With the development of the principle and approach of sequence stratigraphy it could be used in all types of strata including marine,non marine and mixed marine/non marine strata.The enhancement of stratigraphic correlation results that sequence stratigraphy can contribute directly to all stages of the exploration and development. Based on the principle of cycle sequence stratigraphy,this article gives the sequence stratigraphy framework and reservoir prediction of Paleogene in studying area,using drilling well,seismic data,core and other data. According to logs data of the region,20 short term base level cycles (SSC) and 6 mediate term base level cycles (MSC) could be identified in studying region.There are three types of SSC:low accommodation,middle accommodation and high accommodation and three types of MSC:progradation retrogradation symmetric,progradation retrogradation asymmetric and progradation retrogradation extreme asymmetric cycles in these cycles.