PGS has been granted a patent for a seismic pressure and acceleration sensor. The sensor includes a hydrophone, pressure-sensitive surface, accelerometer, and support structure. The design allows for accurate measurement of both pressure and acceleration in seismic applications. 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 January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.

Seismic pressure and acceleration sensor with hydrophone and accelerometer

Source: United States Patent and Trademark Office (USPTO). Credit: PGS ASA

A seismic pressure and acceleration sensor has been granted a patent (Publication Number: US11889760B2). The sensor comprises an enclosure with flexible and planar walls, a rigid support structure, pressure sensing devices on the walls, a flexible substrate with an accelerometer, and electrical connections for hydrophone and acceleration signals. The sensor is designed to be embedded in a marine streamer and includes additional features such as a weight on the substrate and ceramic interface for electrical isolation.

Another patent claim is for a seismic dual sensor with similar components to the previous sensor but includes piezoelectric structures on the walls, a motion sensor on the substrate, and additional piezoelectric structures. The sensor also features electrical connections for hydrophone and motion sensor signals, a weight on the substrate, and a ceramic interface for electrical isolation. The substrate is designed to span the entire length of the interior volume and can be cantilevered within the enclosure.

In summary, the granted patent describes innovative seismic sensors for pressure and acceleration measurements, suitable for marine applications. The sensors feature unique designs with flexible walls, rigid support structures, and various piezoelectric components for enhanced sensing capabilities. The inclusion of accelerometers and motion sensors, along with electrical connections for signal transmission, makes these sensors versatile for seismic data collection. Additionally, the use of ceramic interfaces for electrical isolation and the option for embedding in marine streamers highlight the adaptability and practicality of these sensors in seismic exploration.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.