The authors would like to thank the associate editor D. Velis and four anonymous reviewers for helping to improve this paper during the revisions. The authors also thank professor S. Fomel for providing shot gathers from the deepwater Gulf of Mexico survey. This research is financially supported by the National Key R&D Program of China (2018YFC1503705), the Science and Technology Research Project of Hubei Provincial Department of Education (B2017597), the Hubei Subsurface Multi-scale Imaging Key Laboratory (China University of Geosciences) (SMIL-2018-06), and the Fundamental Research Funds for the Central Universities (CCNU19TS020).