Device and method for wave-field reconstruction
AssigneeCgg Services SAS
InventorGordon Poole
Life of this patent
Estimating the term…
Abstract
Computing device, computer instructions and method for processing input seismic data d. The method includes a step of receiving the input seismic data d recorded in a first domain by seismic receivers that travel in water, the input seismic data d including up-going and down-going wave-fields; a step of generating a model p in a second domain to describe the input seismic data d; and a step of processing with a processor the model p to obtain an output seismic dataset indicative of the down-going wave-field and substantially free of the up-going wave-field.
Claims25
A method for processing input seismic data d associated with a surveyed subsurface, the method comprising:
- receiving the input seismic data d recorded in a first domain by seismic receivers that travel in water, the input seismic data d including up-going and down-going wave-fields;
- generating a model p in a second domain to describe the input seismic data d;
- processing with a processor the model p and applying interpolation to obtain an output seismic dataset indicative of the down-going wave-field and excluding of the up-going wave-field;
- and
- generating an image of the surveyed subsurface based on the output seismic dataset.
A computing device for processing input seismic data d associated with a surveyed subsurface, the computing device comprising:
- an interface for receiving the input seismic data d recorded in a first domain by seismic receivers that travel in water, the input seismic data d including up-going and down-going wave-fields;
- and
- a processor connected to the interface, the processor being configured to,
- generate a model p in a second domain to describe the input seismic data d;
- process the model p and apply interpolation to obtain an output seismic dataset indicative of the down-going wave-field and excluding of the up-going wave-field;
- and
- generate an image of the surveyed subsurface based on the output seismic dataset.
A non-transitory computer readable medium including computer executable instructions, wherein the instructions, when executed by a processor, implement instructions for processing input seismic data d, the instructions comprising:
- receiving the input seismic data d recorded in a first domain by seismic receivers that travel in water, the input seismic data d including up-going and down-going wave-fields and being associated with a surveyed subsurface;
- generating a model p in a second domain to describe the input seismic data d;
- processing the model p and applying interpolation to obtain an output seismic dataset indicative of the down-going wave-field and excluding of the up-going wave-field;
- and
- generating an image of the surveyed subsurface based on the output seismic dataset.
Dependencies are inferred from the claim text.