Seismic survey

1. A seismic survey system, comprising:

a source array comprising a first sub-source array and a second sub-source array;

a streamer coupled with the first sub-source array;

a streamer coupled with the second sub-source array;

a receiver array comprising a plurality of receivers, a first subset of the plurality of receivers coupled with the streamer coupled with the first sub-source array and a second subset of the plurality of receivers coupled with the streamer coupled with the second sub-source array;

a lateral cable coupled with at least one of a first diverter or a second diverter and at least one of the first sub-source array or the second sub-source array;

a positioning cable coupled with the first diverter and trailing from a vessel;

a positioning cable coupled with the second diverter and trailing from the vessel;

a power cable coupled with the first sub-source array and trailing from the vessel;

a power cable coupled with the second sub-source array and trailing from the vessel; and

a seismic data acquisition unit array including a plurality of seismic data acquisition units disposed on a seabed, each seismic data acquisition unit of the plurality of seismic data acquisition units spaced a threshold distance apart.

2. The seismic survey system of claim 1 , wherein the streamer coupled with the first sub-source array is a first streamer coupled with the first sub-source array, and wherein the streamer coupled with the second sub-source array is a first streamer coupled with the second sub-source array, the seismic survey system comprising:

a second streamer coupled with the first sub-source array;

a second streamer coupled with the second sub-source array;

a third subset of the plurality of receivers coupled with the second streamer coupled with the first sub-source array; and

a fourth subset of the plurality of receivers coupled with the second streamer coupled with the second sub-source array.

3. The seismic survey system of claim 1 , comprising:

the first sub-source array comprising a first float of the first sub-source array, a second float of the first sub-source array, and a third float of the first sub-source array; and

the second sub-source array comprising a first float of the second sub-source array, a second float of the second sub-source array, and a third float of the second sub-source array.

4. The seismic survey system of claim 1 , wherein the streamer coupled with the first sub-source array is a first streamer coupled with the first sub-source array, and wherein the streamer coupled with the second sub-source array is a first streamer coupled with the second sub-source array, the seismic survey system comprising:

the first sub-source array comprising a first float of the first sub-source array, a second float of the first sub-source array, and a third float of the first sub-source array;

the second sub-source array comprising a first float of the second sub-source array, a second float of the second sub-source array, and a third float of the second sub-source array;

a second streamer coupled with the first sub-source array;

a second streamer coupled with the second sub-source array;

a third subset of the plurality of receivers coupled with the second streamer coupled with the first sub-source array; and

a fourth subset of the plurality of receivers coupled with the second streamer coupled with the second sub-source array.

5. The seismic survey system of claim 1 , wherein the streamer coupled with the first sub-source array is a first streamer, and wherein the streamer coupled with the second sub-source array is a second streamer, the seismic survey system comprising:

the first sub-source array comprising a first float of the first sub-source array, a second float of the first sub-source array, and a third float of the first sub-source array;

the second sub-source array comprising a first float of the second sub-source array, a second float of the second sub-source array, and a third float of the second sub-source array;

the first streamer coupled with the first float of the first sub-source array;

the second streamer coupled with the first float of the second sub-source array;

a third streamer coupled with the first sub-source array;

a fourth streamer coupled with the second sub-source array;

a third subset of the plurality of receivers coupled with the third streamer; and

a fourth subset of the plurality of receivers coupled with the fourth streamer.

6. The seismic survey system of claim 1 , wherein the streamer coupled with the first sub-source array is a first streamer, and wherein the streamer coupled with the second sub-source array is a second streamer, the seismic survey system comprising:

the first sub-source array comprising a first float of the first sub-source array, a second float of the first sub-source array, and a third float of the first sub-source array;

the second sub-source array comprising a first float of the second sub-source array, a second float of the second sub-source array, and a third float of the second sub-source array;

the first streamer coupled with the first float of the first sub-source array;

the second streamer coupled with the first float of the second sub-source array;

a third streamer coupled with the third float of the first sub-source array; and

a fourth streamer coupled with the third float of the second sub-source array.

7. The seismic survey system of claim 1 , wherein the streamer coupled with the first sub-source array is a first streamer, and wherein the streamer coupled with the second sub-source array is a second streamer, the seismic survey system comprising:

the first sub-source array comprising a first float of the first sub-source array, a second float of the first sub-source array, and a third float of the first sub-source array;

the second sub-source array comprising a first float of the second sub-source array, a second float of the second sub-source array, and a third float of the second sub-source array;

a third streamer coupled with the third float of the first sub-source array;

a fourth streamer coupled with the third float of the second sub-source array;

a third subset of the plurality of receivers coupled with the third streamer; and

a fourth subset of the plurality of receivers coupled with the fourth streamer.

8. The seismic survey system of claim 1 , wherein the power cable coupled with the first sub-source array is a first power cable, and the power cable coupled with the second sub-source array is a second power cable, the seismic survey system comprising:

the first sub-source array comprising a first float of the first sub-source array, a second float of the first sub-source array, and a third float of the first sub-source array;

the second sub-source array comprising a first float of the second sub-source array, a second float of the second sub-source array, and a third float of the second sub-source array;

the first power cable coupled with the first float of the first sub-source array;

the second power cable coupled with the first float of the second sub-source array;

a third power cable coupled with the second float of the first sub-source array;

a fourth power cable coupled with the second float of the second sub-source array;

a fifth power cable coupled with the third float of the first sub-source array; and

a sixth power cable coupled with the third float of the second sub-source array.

9. The seismic survey system of claim 1 , comprising:

the source array to generate an acoustic signal; and

the receiver array to receive reflection data generated by the acoustic signal.

10. The seismic survey system of claim 1 , comprising:

the source array to generate an acoustic signal; and

the seismic data acquisition unit array to receive reflection data generated by the acoustic signal.

11. The seismic survey system of claim 1 , comprising:

the source array to generate an acoustic signal;

the receiver array to receive reflection data generated by the acoustic signal; and

the seismic data acquisition unit array to receive reflection data generated by the acoustic signal.

12. The seismic survey system of claim 1 , comprising:

the threshold distance greater than 50 meters.

13. The seismic survey system of claim 1 , comprising:

a data processing system having one or more processors, the data processing system to:

initiate a source shot of the first sub-source array; and

initiate a source shot of the second sub-source array.

14. The seismic survey system of claim 1 , comprising:

the streamer coupled with the first sub-source array less than 200 meters; and

the streamer coupled with the second sub-source array less than 200 meters.

15. A seismic survey method, comprising:

deploying a source array comprising a streamer coupled with a first sub-source array and a streamer coupled with a second sub-source array;

deploying a receiver array comprising a plurality of receivers, a first subset of the plurality of receivers coupled with the streamer coupled with the first sub-source array and a second subset of the plurality of receivers coupled with the streamer coupled with the second sub-source array;

providing a lateral cable coupled with at least one of a first diverter or a second diverter and at least one of the first sub-source array or the second sub-source array;

providing a positioning cable coupled with the first diverter and trailing from a vessel and a positioning cable coupled with the second diverter and trailing from the vessel;

providing a plurality of power cables, trailing from the vessel, coupled with at least one of the first sub-source array or the second sub-source array; and

providing a seismic data acquisition unit array including a plurality of seismic data acquisition units disposed on a seabed, each seismic data acquisition unit of the plurality of seismic data acquisition units spaced a threshold distance apart.

16. The seismic survey method of claim 15 , comprising:

towing, by the vessel, the source array and the receiver array in a tow direction.

17. The seismic survey method of claim 15 , comprising:

disposing the source array at a first depth of a body of water; and

disposing the receiver array at a second depth of the body of water, the second depth deeper than the first depth.

18. The seismic survey method of claim 15 , comprising:

generating, by the source array, an acoustic signal;

receiving, by the receiver array, reflection data generated by the acoustic signal; and

receiving, by the seismic data acquisition unit array, reflection data generated by the acoustic signal.

19. The seismic survey method of claim 15 , comprising:

initiating, by a data processing system, a source shot of the first sub-source array; and

initiating, by the data processing system, a source shot of the second sub-source array.

20. A seismic survey method, comprising:

providing a seismic survey system, comprising:

a source array comprising a first sub-source array and a second sub-source array;

a streamer to couple with the first sub-source array;

a streamer to couple with the second sub-source array;

a receiver array comprising a plurality of receivers, a first subset of the plurality of receivers to couple with the streamer coupled with the first sub-source array and a second subset of the plurality of receivers to couple with the streamer coupled with the second sub-source array;

a lateral cable to couple with at least one of a first diverter or a second diverter and at least one of the first sub-source array or the second sub-source array;

a positioning cable to couple with the first diverter and trailing from a vessel;

a positioning cable to couple with the second diverter and trailing from the vessel;

a power cable to couple with the first sub-source array and trailing from the vessel;

a power cable to couple with the second sub-source array and trailing from the vessel; and

a seismic data acquisition unit array including a plurality of seismic data acquisition units disposed on a seabed, each seismic data acquisition unit of the plurality of seismic data acquisition units spaced a threshold distance apart.