US 12,392,918 B2
Macro compressed sensing data acquisition
Ali Özbek, Cambridge (GB); Nicolas Goujon, Oslo (NO); Susanne Rentsch, Slemmerud (NO); Bent Andreas Kjellesvig, Oslo (NO); Halvor Sehested Grønaas, Oslo (NO); Ahmet Kemal Ozdemir, Cambridge (GB); and Leendert Combee, Sandvika (NO)
Assigned to Reflection Marine Norge AS, Laskevȧg (NO)
Appl. No. 17/422,515
Filed by REFLECTION MARINE NORGE AS, Bergen (NO)
PCT Filed Jan. 14, 2020, PCT No. PCT/NO2020/050004
§ 371(c)(1), (2) Date Jul. 13, 2021,
PCT Pub. No. WO2020/149746, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 20190045 (NO), filed on Jan. 14, 2019.
Prior Publication US 2022/0091294 A1, Mar. 24, 2022
Int. Cl. G01V 1/38 (2006.01); G01V 1/18 (2006.01); G01V 1/20 (2006.01)
CPC G01V 1/3835 (2013.01) [G01V 1/189 (2013.01); G01V 1/20 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A streamer comprising:
one or more streamer sections connected together to form the streamer, each said streamer section having a plurality of sensors mounted thereon and a plurality of output points to which data from a group of the plurality of sensors is input, the plurality of sensors mounted on each said streamer section including:
a plurality of first sensor groups, each said first sensor group being configured to feed data from the first sensor group to a respective one of the plurality of output points, wherein the output points fed by the plurality of first sensor groups are spaced apart along the streamer section; and
a plurality of second sensor groups, each said second sensor group comprising a fewer number of sensors than a number of sensors in each said first sensor group,
wherein each said second sensor group is positioned between adjacent first sensor groups along the streamer section so that the plurality of first sensor groups and the plurality of second sensor groups alternate along an entire length of the streamer section, and with each said second sensor group being configured to feed data from the second sensor group to a respective one of the plurality of output points, and
wherein the plurality of output points for the first sensor groups and the second sensor groups are configured to forward for processing sensor data associated with a signal having a frequency above a threshold frequency and only the output points associated with the plurality of first sensor groups are configured to forward for processing data associated with a signal having a frequency at or below the threshold frequency.