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US 9,500,761 B2Granted
Method for optimizing acoustic source array performance
AssigneeWesternGeco L. L. C.
InventorsJon-Fredrik Hopperstad, Robert Montgomery Laws, Aslaug Strømmen Melboe
Life of this patent
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Abstract
A technique facilitates obtaining seismic data in a marine environment. An array of acoustic sources is deployed in a marine environment. The array can be utilized for creating acoustic pulses that facilitate the collection of data on subsea structures. The methodology enables optimization of acoustic source array performance to improve the collection of useful data during a seismic survey.
Claims10
A method, comprising:
- deploying an array of acoustic sources in a marine environment;
- creating acoustic pulses with the acoustic sources to obtain data on subterranean formations;
- and
- deliberately delaying triggering of the acoustic sources with respect to one another in a manner such that the power spectrum of the array is attenuated at frequencies outside of a desired seismic frequency band without substantially affecting output within the desired frequency band.
1 more element
A method, comprising:
- operating an array of acoustic sources in a marine environment to obtain seismic data;
- using the array of acoustic sources to deliver primary pressure pulses into the marine environment;
- and
- deliberately delaying primary pressure pulses such that the power spectrum of the array is attenuated at frequencies outside of a desired seismic frequency band without substantially affecting output within the desired frequency band.
1 more element
A method, comprising:
- operating an array of acoustic sources in a marine environment to obtain seismic data;
- using the array of acoustic sources to deliver pressure pulses into the marine environment;
- and
- operating components of the array so that the firing of the components happens with a delay between each other over time, thereby reducing the maximum output of the array.
1 more element
A method, comprising:
- positioning a seismic source array of a seismic survey region, the seismic source array comprising components that each generate an output amplitude, the source array therefore together generating an output amplitude;
- activating the seismic source array so that there is a delay between different components within the seismic source array thereby reducing the output amplitude of the seismic source array;
- and
- recording seismic signals reflected from subterranean formations.
1 more element
Dependencies are inferred from the claim text.