Abstract:After routine seismic data processing, it is difficult to obtain amplitude-preserved seismic data with high resolution for characterizing lithologic reservoirs due to their small thickness and large lateral changes. A better alternative is scheme geology-oriented integration of seismic data processing and interpretation in the way of “double-helical parallel operation” instead of “serial operation”. The flow includes ① At the stage of project planning, efforts focus on establishing key techniques and workflow for seismic data processing and interpretation in accordance with geologic setting and tasks; ② At the stage of seismic data processing and interpretation, using well-tie calibration and attribute analysis, the effects of data processing on geologic characterization are analyzed and fed back to data processing to improve techniques and parameters; ③ At the stage of reservoir characterization, seismic prediction combined with regional geologic study is carried out for a detailed understanding of lithologic reservoirs. The method emphasizes synchronous processing and interpretation instead of processing followed by interpretation. The integration of seismic data processing and interpretation yields good results in practice.
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