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Seismic Soundoff

Seismic Soundoff

In-depth conversations in applied geophysics.

 
     

01 Jun 2022

Episode 152: How and why DAS succeeds


Ariel Lellouch discusses his upcoming Middle East and Africa Honorary Lecture, "Applications of fiber-optic sensing to borehole seismology."

Distributed Acoustic Sensing (DAS) is an emerging technology that leverages optical fibers to record the seismic wavefield with an unprecedented spatial resolution. In this conversation with host Andrew Geary, Ariel makes a case for geophysicists to utilize DAS data in their work and why it's essential to look at data without any pre-made ideas. He also outlines the significant benefits of vertical DAS arrays and how to know when to use vertical or horizontal DAS. This is an excellent primer on DAS and a convincing case for why every geophysicist would benefit from engaging with this technology.

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Biography

Ariel Lellouch recently joined the Department of Geophysics and Planetary Sciences at Tel Aviv University as an assistant professor, following a postdoctoral fellowship at the Stanford Exploration Project (SEP). He received his Ph.D. and Masters of Science in Geophysics from Tel Aviv University, after a Bachelor of Science in Physics and Mathematics from the Hebrew University in Jerusalem. His research group focuses on various applications of fiber-optic seismology (DAS), from near-surface imaging to seismological studies of the Dead Sea Fault, through traffic monitoring in urban environments. He was awarded Honorable Mentions for the best paper presented at the SEG annual meeting (2019) and best paper in The Leading Edge (2020). In addition, he was nominated as the SEG Middle East and Africa Honorary Lecturer for 2022.

Sponsor

This episode is sponsored by

 

For decades, Geospace has delivered robust data acquisition systems of all scales. Geospace’s PRM solutions were the first in the world to provide a 4D understanding of marine reservoirs. Today, Geospace leads the way with Optoseis fiber optic sensing technology for reservoir monitoring.

Recently, the company launched a reduced sensor footprint solution using compact phased array technology for passive monitoring of microseismicity known as SADAR. Visit Geospace to learn about the latest advances in reservoir intelligence.

Credits

SEG produces Seismic Soundoff to benefit its members, the scientific community, and inform the public on the value of geophysics. Please leave a 5-star rating on Apple Podcasts and Spotify to show your support for the show. It takes less than five seconds to leave a 5-star rating and is the number one action you can take to show your appreciation for this free resource. And follow the podcast while you are on the app to be notified when each new episode releases. 

Original music created by Zach Bridges. Andrew Geary hosted, edited, and produced this episode for 51 features, LLC. Thank you to the SEG podcast team: Jennifer Cobb, Kathy Gamble, and Ally McGinnis.


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