... of them spatial extent A further aim is to establish the competence or otherwise of shallow formations, as may be indicated for instance by evidence of faults or fractures. We hope to demonstrate that these objectives are better realised using sequences of horizontal seismic profiles displayed in variable...

... recordings which require data processing ashore. As the usefulness of the survey data has increased, more reliance has been placed upon the results. Rig site survey data are acquired for several objectives including shallow gas detection and prediction of soil lithologies, identification of seabed hazards...