PGS has patented a low-density gel filler material for geophysical streamers, made from a two-part mix-curable polymer. The method involves mixing two-part silicone gel with paraffinic oil, forming a gel loaded into the streamer casing for marine geophysical surveying. GlobalData’s report on PGS gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on PGS, Underwater seismic device deployment was a key innovation area identified from patents. PGS's grant share as of May 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.
Low density gel for geophysical streamers
A recently granted patent (Publication Number: US11999851B2) discloses a method for forming a geophysical streamer designed for marine geophysical surveying. The method involves creating a two-part polymerization reaction by combining an A component and a B component of a two-part silicone gel to form a reaction mixture in a paraffin oil system. This reaction mixture is then cured to produce a streamer filler material, which is subsequently disposed in a streamer casing through a process of heating and pumping or reactive extrusion. The curing process involves polymerization or crosslinking, with the ratio of the A component to the B component being greater than 1:1 to enhance crosslinking and increase the molecular weight of polymer chains in the reaction mixture.
Furthermore, the method includes the use of a crosslinker in the first unreactive mixture and a catalyst in the second unreactive mixture to facilitate the curing process. By utilizing this innovative approach, the resulting geophysical streamer is tailored for marine geophysical surveying applications, showcasing the advancement in materials and processes within the field. This patent highlights the importance of precise formulation and curing techniques in creating streamer filler materials that meet the specific requirements of geophysical surveying in marine environments, ultimately contributing to the efficiency and accuracy of data collection in such operations.
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