【摘要】 辨别和消除虚反射及气泡效应的影响是提高海洋地震资料分辨率和解释精度的重要环节。研究了压制海洋地震资料虚反射和气泡效应的震源子波反褶积方法,根据震源子波处理的原理及反滤波因子的求取过程,给出了实际生产中常用的震源子波处理流程。首先通过确定性子波反褶积消除虚反射、气泡震荡的影响,然后对震源子波进行整形处理,使其满足后续的反褶积处理所需的最小相位假设条件。将上述方法应用于南黄海盆地某工区实际资料处理,使地震剖面上反射波的续至相位得到有效抑制,子波的形态得到了很好的恢复,证明方法是实用的。更多还原

【Abstract】 The identification and elimination of ghost and bubble effect is an important step for improving resolution and interpretation accuracy of marine seismic data.We discussed the source wavelet deconvolution method for suppressing ghost and bubble effect in marine seismic data and gave conventional source wavelet processing workflow.Ghost and bubble effect are firstly eliminated by means of deterministic wavelet deconvolution,Minimum phase is then used in shape-correction treatment of air gun waveform to make it meet minimum phase hypothesis needed in deconvolution.The above methods were applied on the actual data from South Yellow Sea Basin.The results show that secondary arrival phase of reflections in seismic section is effectively inhibited and wavelet shape is recovered,which proves the effectiveness of the methods.更多还原