在有效波组为低频、低噪且地质任务以小构造解释为目标的地区，采用Q补偿技术有利于提高有效波组的主频，达到提高纵向分辨率的目的。以鄂尔多斯某勘探区为例，采用Q值补偿技术，以克服该区沙漠地貌明显的吸收衰减滤波效应问题，提高其地震资料的中、高频成分。通过对Q补偿参数进行测试，发现Q值为50时有效波响应明显。应用结果表明，经Q补偿后，地震时间剖面有效波主频明显提高，DF7、DF8断层在补偿后的地震时间剖面上较补偿前断点更清晰、位置解释误差更少。%In areas with low frequency, low noise effective wave groups and also geological target is to interpret minor structures, using the Q compensation can improve basic frequency of effective wave groups and thus increase longitudinal resolution. Taking a prospect-ing area in Ordos as an example, using Q compensation to overcome obvious problem of attenuation by absorption filtering effect in des-ert areas, have improved medium and high frequency components in seismic data. Through Q compensation parameter tests have found that effective waves have obvious response when the Q value is 50. The application has shown that after the Q compensation, effective wave basic frequency on seismic time section obviously increased, faults DF7 and DF8 have clearer displays on seismic time section, less errors in position interpretation than before the compensation.
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