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本文介绍了四川盆地罗波溪构造山地高分辨率地震勘探的成功经验及为提高资料品质而采取的措施。内容包括:在野外采集中,采用高覆盖次数、高采样率、高频检波器和小道距、小组合基距、小地检距、较大药量及两个等高面等方法;在室内处理时,采用精细动静校正、分频处理、强功能去噪、双向反褶积、叠后处理等技术措施;在资料解释方面,综合利用层位标定、对比追踪、断层定量解释、Seislog剖面解释及道积分等技术c应用这套方法,拓宽了四川盆地中部油气勘探范围。
This paper introduces the successful experience of high resolution seismic exploration in the LuoBoXi tectonic mountainous area of Sichuan Basin and the measures taken to improve the data quality. The contents include: In the field of collection, the use of high coverage, high sampling rate, high frequency detector and trail, small group base distance, a small getaway, a larger dose and two contours and other methods; indoors In the processing of data, precise measures of static and dynamic correction, crossover processing, strong function denoising, bidirectional deconvolution and post-stack processing are adopted. In terms of data interpretation, comprehensive utilization of horizon calibration, contrast tracking, quantitative interpretation of faults, interpretation of Seislog profile This method is applied to broaden the scope of oil and gas exploration in the central Sichuan Basin.