Location History:
- Paris, FR (1980 - 1985)
- Le Conquet, FR (1986 - 1990)
- Conquet, FR (1991)
- Biot, FR (1999 - 2002)
Company Filing History:
Years Active: 1980-2002
Title: The Innovative Contributions of Georges Grall
Introduction
Georges Grall is a notable inventor based in Biot, France, recognized for his significant contributions to underwater seismic prospecting technology. With a total of 10 patents to his name, Grall has made remarkable advancements in the field, particularly in systems designed for exploring seafloors.
Latest Patents
One of Grall's latest patents is a system for undersea seismic prospecting. This innovative system is designed for underwater exploration on seafloors, especially deep seafloors. It includes streamers that contain measurement devices and lie on the seafloor, featuring an inner tube that is non-stretching and non-compressible, along with an outer tube that is extensible to a certain extent. By injecting liquid between these two tubes, the buoyancy of each streamer is made positive, allowing it to be detached from the seafloor and towed to the next measuring position. Another significant patent is an acoustic transmitting antenna for underwater seismic prospecting. This device transmits acoustically toward the bottom of the sea and includes a cable containing vertically suspended electro-acoustic transducers. Each transducer is assigned to a specific frequency of the pulse spectrum to be emitted. The arrangement ensures that the wave transmitted toward the sea floor is in phase with the reflective wave on the surface of the sea, creating a single strong pulse that replaces traditional air gun devices used in oil exploration.
Career Highlights
Throughout his career, Georges Grall has worked with prominent companies such as Thomson-CSF and Thomson Marconi Sonar. His work has significantly impacted the field of underwater exploration, leading to advancements that enhance the efficiency and effectiveness of seismic prospecting.
Collaborations
Grall has collaborated with notable individuals in his field, including Gilles Moresco and Francois Peynaud. These collaborations have contributed to the development of innovative technologies and solutions in underwater seismic exploration.
Conclusion
Georges Grall's contributions to underwater seismic prospecting have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing technology in seismic exploration.