High resolution shallow 3D seismic imaging
Key challenges in a nutshell
- Active seismic imaging in the near-surface
- Propagating high frequencies over long distances
- Provide images at a reasonable cost
Short description of the technology
Imaging the subsurface is a key component to lower the uncertainties of the positioning of the infrastructure together with estimates of mechanical properties (elastic properties).
State of the Art: technology in existing gravitational wave detectors / TRL
3D reflection survey are standard in the O&G industry together with cloud based full waveform inversion. More recently, the technology has evolved to provide solution in the near surface and mid range depths.
Intended use in the frame of the Einstein Telescope
The use will be as a pre-survey to prepare the construction phase of the infrastructure.
Improvements needed: Technological challenge for the Einstein Telescope
There is a challenge in terms of adapting the technology to shallow depths where attenuation is stronger and to propagate the highest frequencies over long distances (so need for sources development for broadband sources) and to a reasonable costs in terms of surveying (sensors deployement) and with a low-carbon footprint. The integration of surface waves in FWI is still challenging in terms of computations.
Economic perspectives of participation beyond the ET applications
We are open to any companies’ proposals.
Related projects and labs
Ongoing and future procurements
2D seismic lines are planned.