Two types of SDR recognised in pre-stack velocity analysis of ultra-long-offset seismic reflection data in the South Atlantic

Jenny Collier1, Carl McDermott2, Lidia Lonergan2, Ken McDermott3 and Paul Bellingham3, (1)Imperial College London, London, SW7, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)ION Geophysical, Chertsey, Surrey, United Kingdom