Marine Seismic Acquisition with Phase-controllable Sources

We introduce a new marine acquisition method for simultaneous sources based upon the assumption that the phase of the signal emitted by the next generation of marine seismic sources will be controllable. This method, Shared Low Frequency acquisition, leverages a feature of towed marine seismic acquisition that leads naturally to the condition in which two or more sources are simultaneously ready to emit their signals and are separated by a predefined distance. We demonstrate its potential by generating two finite difference datasets that simulate dual-coil acquisitions that can be acquired with the currently available impulsive sources and a third dataset that can be acquired only with phase-controllable seismic sources.