公开(公告)号：US20170184747A1

公开(公告)日：2017-06-29

申请号：US15125257

申请日：2015-03-24

Applicant: CGG SERVICES SA

Inventor： Chang-Chun LEE ,  Yunfeng LI ,  Suryadeep RAY ,  Gordon POOLE

IPC: G01V1/36 ,  G01V1/38

CPC classification number: G01V1/36 ,  G01V1/38 ,  G01V2210/1423 ,  G01V2210/1427 ,  G01V2210/20 ,  G01V2210/50 ,  G01V2210/59

Abstract: Methods and apparatuses for directional designature in shot domain are provided. Azimuth and take-off angles are calculated for each record in the seismic data. Directional designature is then applied to the seismic data using a source signature dependent on the azimuth and take-off angles.