PGS has been granted a patent for a marine surveying method that involves towing multiple sources and streamers at varying depths. The technique ensures a minimum separation of 5 km between vessels and incorporates long-offset data acquisition to enhance velocity model construction. GlobalData’s report on PGS gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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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 July 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Marine surveying method using multiple towed sources and streamers
The patent US12072461B2 outlines a method and system for marine surveying that involves the coordinated towing of multiple sources and streamers by a source vessel and a survey vessel. The method specifies an inline separation of at least 5 kilometers between the two vessels, with the survey vessel towing a spread of standard-offset streamers at a depth of 10 to 30 meters, and at least two long-offset streamers at a greater depth. The configuration ensures that the long-offset streamers are positioned in relation to the standard-offset streamers, maintaining specific crossline separations that are smaller than those of the standard-offset streamers. This arrangement is designed to optimize data acquisition during marine seismic surveys.
Additionally, the patent details the technical specifications of the streamers, including their lengths and the separation distances between them. The standard-offset streamers are described to have lengths between 5 km and 10 km, while the long-offset streamers range from 8 km to 50 km. The method also includes acquiring low-frequency data with sensors along the long-offset streamers, which can be used to construct velocity models and produce geophysical data products. The system is designed to enhance the efficiency and effectiveness of marine seismic surveys by ensuring optimal positioning and data collection capabilities.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
