Reinforcement of surface seismic wavefields

Details Reinforcement of surface seismic wavefields Reinforcement of surface seismic wavefields

1989-08-25

1990-06-19

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367 21, 367 59, G01V 138

Patent

active

049359037

ABSTRACT:
A marine seismic reflection prospecting system attenuates coherent noise through reinforcement of primary reflection data by the addition of corrected ghost reflection data. The system includes a seismic energy source, a detector, a wavefield separator, a time-shift element, and an element for generating an output signal representative of an additive linear combination of time-aligned primary and ghost signal components. The system's output is suitable for further pre-stack processing, e.g., NMO correction.

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