Svein Erling Johnstad

Title: Innovative Contributions of Svein Erling Johnstad in Geophysical Technology

Introduction

Svein Erling Johnstad, an accomplished inventor based in Bønes, Norway, has made significant contributions to the field of geophysical technology. With a total of seven patents to his name, Johnstad's inventions reflect his dedication to advancing the exploration of subsea environments.

Latest Patents

Two of Johnstad's latest patents demonstrate his innovative prowess. The first, titled "Electromagnetic and seismic streamer cable and method for using such a streamer cable," outlines a geophysical sensor cable equipped with both seismic and electromagnetic sensors. This groundbreaking cable features hydrophones and seismic component receivers for vector measurements while positioned on the sea-floor. It also incorporates E-field and H-field sensors, enhancing the cable's effectiveness in various applications.

The second patent, "Method for electromagnetic geophysical surveying of subsea rock formations," presents a novel approach to surveying rock formations beneath the sea-floor. This method involves towing alternating field emitting sources at different depths, allowing for the effective propagation of electromagnetic energy through and reflecting off of rock formations. The gathered data from these surveys can lead to improved understanding and exploration of underwater geological structures.

Career Highlights

Johnstad's career includes notable tenures at Norskhydro ASA and Multifield Geophysics AS, where he employed his technical expertise and innovative mindset. His time in these organizations has greatly influenced the development of advanced geophysical technologies, further establishing him as a key player in the industry.

Collaborations

Throughout his career, Johnstad has collaborated with esteemed professionals in the field, including Harald Westerdahl and Brian Anthony Farrelly. These partnerships have fostered the exchange of ideas and have contributed to the successful development of his patented technologies.

Conclusion

Svein Erling Johnstad's inventive works in the realm of geophysical technology highlight his commitment to innovation and exploration. His patent portfolio signifies his notable contributions, paving the way for future advancements in the industry. As exploration of subsea environments continues to evolve, Johnstad's legacy will undoubtedly leave a lasting impact on the field.