Abstract: Seismic facies analysis true to self se ismic information could overcome some shortcomings from seismic inverse technique as one of important means for sedimentary facies research and reservoir prediction. It can be divided into three types,of which waveform-based seismic facies analysis may integrate with various information of seismic signals and can be adopted to deal with distinct problems. Such an analytical technique based on Stratimagic Softw are Package has been applied to study of the sedimentary facies and buried sandbody distribution of Toutume formation in Shinan-21 Well Block, and good results have been obtained.

Key words: seismic facies, sedimentary facies, reservoir prediction, waveform