基于方位角-时差道集的绕射波成像方法及相关设备

本发明公开了基于方位角‑时差道集的绕射波成像方法及相关设备，所述方法包括：根据获取到的地震数据生成方位角‑时差道集；基于方位角‑时差道集检测绕射波的所属类型，所属类型为点绕射体产生的点绕射波、断层线绕射体产生的断层绕射波、裂缝线绕射体产生的裂缝绕射波中的至少一种；将点绕射波、断层绕射波和/或裂缝绕射波进行成像处理得到对应的成像结果。本发明中通过基于方位角‑时差道集来检测绕射波的所属类型，确定绕射波是由点绕射体、断层线绕射体和/或裂缝线绕射体产生，并可以得到点绕射波、断层绕射波和/或裂缝线绕射波的成像结果，从而精准地区分出绕射波的所属类型，并且能够得到清晰的绕射波成像结果。

The invention discloses a diffracted wave imaging method based on an azimuth angle-time difference gather and related equipment. The method comprises the following steps: generating the azimuth angle-time difference gather according to acquired seismic data; detecting the type of the diffracted waves based on the azimuth angle-time difference gather, wherein the type of the diffracted waves is at least one of point diffracted waves generated by a point diffraction body, fault diffracted waves generated by a fault line diffraction body and crack diffracted waves generated by a crack line diffraction body; and performing imaging processing on the point diffracted waves, the fault diffracted waves and/or the crack diffracted waves to obtain corresponding imaging results. According to the method, the type of the diffracted wave is detected based on the azimuth angle-time difference gather, it is determined that the diffracted wave is generated by the point diffracted body, the fault line diffracted body and/or the crack line diffracted body, the imaging result of the point diffracted wave, the fault line diffracted wave and/or the crack line diffracted wave can be obtained, and therefore the type of the diffracted wave can be accurately distinguished; and a clear diffracted wave imaging result can be obtained.