US 12,392,916 B2
Hybrid seismic data acquisition device and corresponding methods
Dominique Mainetti, Carquefou (FR); and Jean-Jacques Vignaux, Villeneuve de Rivière (FR)
Assigned to SERCEL, Carquefou (FR)
Appl. No. 17/921,705
Filed by SERCEL, Carquefou (FR)
PCT Filed May 5, 2021, PCT No. PCT/IB2021/000308
§ 371(c)(1), (2) Date Oct. 27, 2022,
PCT Pub. No. WO2021/224683, PCT Pub. Date Nov. 11, 2021.
Claims priority of provisional application 63/054,416, filed on Jul. 21, 2020.
Claims priority of provisional application 63/020,178, filed on May 5, 2020.
Prior Publication US 2023/0168400 A1, Jun. 1, 2023
Int. Cl. G01V 1/18 (2006.01); G01V 1/16 (2006.01)
CPC G01V 1/162 (2013.01) [G01V 1/186 (2013.01); G01V 2210/1427 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A seismic data acquisition device, also referred to as an ocean bottom node, intended to be placed on an ocean bottom floor, comprising:
a polymeric inner casing defining an interior chamber that houses within at least part of a data acquisition system; and
a metallic outer device in which the polymeric inner casing is trapped, the metallic outer device comprising two halves that are configured to be attached to each other with a fixation system, in a detachable manner, and each half includes metallic beams that extend on opposite sides of the polymeric inner casing.