System and method for suppression of seismic multiple reflection signals

A system for modeling seismic wave-field data in order to suppress near-surface and sub-surface related multiple reflection signals using reflection signals including main random noise signals, main multiple reflection signals, main primary reflection signals, residual random noise signals, residual multiple reflection signals and residual primary reflection signals, the system comprising:

• a memory;
• a processor;
• a first module executable by the processor and adapted to model main random noise and separate main random noise signals from the reflection signals using a frequency-wavenumber domain method to provide and store in memory data having suppressed main random noise;
• a second module executable by the processor and adapted to model main primary reflection signals and separate main primary reflection signals from the data having suppressed main random noise using both frequency-wavenumber filtering in a frequency-wavenumber domain and weighted median filtering in a time-offset domain to provide and store in memory data having suppressed main random noise and main primary reflections;
• a third module executable by the processor and adapted to model and store in memory multiple reflection signals using parabolic path summation for the data having suppressed main random noise and suppressed main primary reflections;
• and
• a fourth module executable by the processor and adapted to subtract the modeled multiple reflection signals from the reflection signals to provide and store in memory seismic wave-field data having suppressed multiple reflections.