Systems and methods for wireless data acquisition in seismic monitoring systems

1. A method for seismic data acquisition performed by a collection node during a seismic survey of a subsurface geological formation, the method comprising:

obtaining a signal table for an emitted seismic signal;

receiving seismic signal data from a receiver configured to transform seismic signals emerging from the subsurface geological structure into seismic signal data;

storing the seismic signal data on a storage system;

determining a time span for the seismic signal data; and

generating a reduced data set based on the seismic signal data, the signal table, and the time span, wherein the generating includes:

generating frequency-domain data by applying a Fourier transformation to the seismic signal data;

determining an emitted frequency based on the signal table and the time span; and

selecting an amplitude and phase from the frequency-domain data, the amplitude and phase corresponding to the emitted frequency.

2. The method of claim 1 , further comprising:

storing the reduced data set on the storage system;

determining a data transmission time;

determining whether the data transmission time has occurred; and

in response to determining that the data transmission time has occurred, transmitting the reduced data set.

3. The method of claim 2 , wherein storing the reduced data set comprises merging the reduced data set with other data on the storage system.

4. The method of claim 2 , wherein transmitting the reduced data set occurs in real time or near-real time.

5. The method of claim 2 , wherein the reduced data set is transmitted via a wireless link.

6. The method of claim 5 , wherein the wireless link comprises a link in a mesh network.

7. The method of claim 1 , further comprising using the reduced data set to generate an image of the subsurface geological structure, the image being useable to determine presence of oil and/or gas in the subsurface geological structure.

8. A seismic data acquisition system for performing a seismic survey of a subsurface geological formation, the seismic data acquisition system comprising:

a receiver configured to detect seismic signals emerging from the subsurface geological structure and to transform the seismic signals into seismic signal data;

a storage system, and

a collection node connected to the receiver and the storage system and having a processor and a memory communicatively coupled to the processor, wherein instructions stored in the memory, when executed by the processor, cause the processor to:

obtain a signal table for an emitted seismic signal;

receive the seismic signal data from the receiver;

store the seismic signal data on the storage system;

determine a time span for the seismic signal data; and

generate a reduced data set based on the seismic signal data, the signal table, and the time span,

wherein for generating the reduced data set, the processor performs:

generating frequency-domain data by applying a Fourier transformation to the seismic signal data;

determining an emitted frequency based on the signal table and the time span; and

selecting an amplitude and phase from the frequency-domain data, the amplitude and phase corresponding to the emitted frequency.

9. The system of claim 8 , the instructions, when executed by the processor, further causing the processor to:

store the reduced data set on the storage system;

determine a data transmission time;

determine whether the data transmission time has occurred; and

in response to determining that the data transmission time has occurred, transmit the reduced data set.

10. The system of claim 9 , wherein storing the reduced data set comprises merging the reduced data set with other data on the storage system.

11. The system of claim 9 , wherein the reduced data set is transmitted via a wireless link.

12. The system of claim 9 , wherein transmitting the reduced data set occurs in real time or near-real time.

13. A non-transitory computer-readable medium, comprising instructions that, when executed by a processor, cause the processor to

obtain a signal table for an emitted seismic signal;

receive seismic signal data from a receiver configured to transform seismic signals emerging from the subsurface geological structure into seismic signal data;

store the seismic signal data on a storage system;

determine a time span for the seismic signal data; and generate a reduced data set based on the seismic signal data, the signal table, and the time span,

wherein for generating the reduced data set, the processor performs:

generating frequency-domain data by applying a Fourier transformation to the seismic signal data;

determining an emitted frequency based on the signal table and the time span; and

selecting an amplitude and phase from the frequency-domain data, the amplitude and phase corresponding to the emitted frequency.

14. The non-transitory computer-readable medium of claim 13 , the instructions, when executed by the processor, further causing the processor to:

store the reduced data set on the storage system;

determine a data transmission time;

determine whether the data transmission time has occurred; and

in response to determining that the data transmission time has occurred, transmit the reduced data set.

15. The non-transitory computer-readable medium of claim 14 , wherein storing the reduced data set comprises merging the reduced data set with other data on the storage system.

16. The non-transitory computer-readable medium of claim 14 , wherein the reduced data set is transmitted via a wireless link.

17. The non-transitory computer-readable medium of claim 14 , wherein transmitting the reduced data set occurs in real time or near-real time.