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US 11,269,093 B2Granted
Method and system for generating geophysical data
AssigneeEquinor Energy AS
InventorsLasse Amundsen, Johan Olof Anders Robertsson
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Abstract
A method of generating geophysical data using at least one source. The method may include the steps of generating a geophysical wavefield with a varying signature using at least one source, wherein the signature is varied in a periodic pattern.
Claims26
A method of generating geophysical data using at least one source, the method comprising:
- generating a geophysical wavefield with a varying signature using at least one source,
- wherein the signature is varied in a periodic pattern;
- recording geophysical energy to produce geophysical data using at least one receiver, the geophysical energy comprising the propagating geophysical wavefield generated at the at least one source;
- and
- transforming the geophysical data into another domain;
- wherein the other domain is a domain such that at least some of the geophysical data is shifted to a location that is different to the location in the other domain where the at least some of the geophysical data would have been had the varying signature not been used.
3 more elements
A system for generating geophysical data comprising:
- at least one source for generating a geophysical wavefield with a varying signature, wherein the source is configured to vary the signature of the geophysical wavefield in a periodic pattern;
- at least one receiver for recording geophysical energy, the geophysical energy comprising the propagating geophysical wavefield generated at the at least one source;
- and
- a processor for transforming the recorded geophysical data into another domain, wherein the other domain is a domain such that at least some of the recorded geophysical data is shifted to a location that is different to the location in the other domain where the at least some of the geophysical data would have been had the varying signature not been used.
1 more element
Dependencies are inferred from the claim text.