#53: The pros and cons of full-waveform inversion

#53: The pros and cons of full-waveform inversion

In this episode, host Andrew Geary speaks with John Brittan, contributor to March's The Leading Edge. March's special section returns to a common and major topic for TLE - full-waveform inversion. John highlights the advantages and disadvantages of several FWI approaches, discusses the possibilities and limitations of the technique, and explores the common themes across the seven papers. Episode 53 proudly sponsored by ION Geophysical. Interviewee biography John Brittan received a BSc in Physics from the University of Birmingham in 1992 and, thanks to a Shell Scholarship, a PhD from Imperial College, London in Geophysics in 1995. He then was a Royal Commission for the Exhibition of 1851 Research Fellow at Imperial, being part of the team who undertook the first seismic profile across the K-T boundary crater at Chicxulub and also being part of Imperial's pioneering efforts in full-waveform inversion. He joined Petroleum Geo-Services in 1997, where he worked on the research and development of data processing algorithms with particular interest in the fields of multiple removal, time-lapse processing, travel-time tomography and noise attenuation. John undertook a number of management roles at PGS including Head of Processing Technology and Chief Geophysicist for Data Processing and Technology. In 2013 he joined ION where he is Vice-President, Europe and Africa in the Imaging Services division. He is an active member of the PESGB, EAGE and SEG and was until recently an Associate Editor of Geophysical Prospecting. Subscribers can read the full articles in the SEG Digital Library at https://library.seg.org/and abstracts are always free. Show notes and links at https://seg.org/podcast. Sponsor ION Geophysical is a pioneer in Full Waveform Inversion, an advanced model estimation technique that reduces exploration risk while enabling more effective development decisions. The ION suite of FWI technologies provide highly accurate models of the subsurface by utilizing the entire wave field, powering deeper and more robust model estimation across a range of acquisition configurations. Learn more about Full Waveform Inversion by typing "ION FWI" into your favorite search engine. Credits Interview: John Brittan Original music by Zach Bridges. This episode was hosted, edited, and produced by Andrew Geary. Special thanks to the SEG podcast team: Jennifer Crockett, Ashley Rodriguez, Ally McGinnis, and Mick Swiney, , with additional support from Kathy Gamble. If you enjoy the show, please subscribe to the podcast on Spotify, Google Play, or Apple Podcasts to be the first to know about new episodes!

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#8: Geophysics for non-technical professionals

#8: Geophysics for non-technical professionals

Norm Hyne, lecturer and past chair of The University of Tulsa Geology and Geophysics Department, explores applied geophysics from a non-technical professional’s perspective. Listeners, we want to hear from you: Why did you choose geophysics? What do you love about the science and the work you do? Email us at podcast@seg.org or leave a message at country code +1 918-497-4627. Editor's note: During our exchange, Norm incorrectly referred to Geoscientists Without Borders as Geophysicists Without Borders. To learn more visit http://seg.org/gwb. Show notes at http://seg.org/podcast.

21 Nov 201635min

#7: John Bradford - State of the Society

#7: John Bradford - State of the Society

John Bradford, president of SEG, gave his State of the Society Address at the 86th Annual Meeting in Dallas in October 2016. Dorsey Morrow, SEG Executive Director, opened the session and introduced Bradford. Sponsor The SEG Wiki is home to hundreds of biographies of key geoscientists, geophysical tutorials, and core content from the science of applied geophysics. Visit http://wiki.seg.org to learn how you can grow the world’s first online, geophysics encyclopedia. Learn more at http://seg.org/podcast.

24 Okt 201652min

#6: Lev Vernik - Seismic Petrophysics

#6: Lev Vernik - Seismic Petrophysics

Lev Vernik discusses his new book Seismic Petrophysics in Quantitative Interpretation. Learn more at http://shop.seg.org/Online-Store/Product-Detail/ProductId/15563143. Early praise for his book says it strikes "the right balance between the theory and practical application...[making] this manuscript unique among other publications (Kostia Azbel - Shell) and that Dr. Vernik "has outlined a workflow that elegantly handles the complexities of the subject while maintaining a practical point of view (Marco Perez - Apache)." Join Dr. Vernik, and other authors of new SEG books, at the Dallas Annual Meeting for a meet and greet - Monday, 17 October from 2:40 to 3:20 p.m. and Tuesday, 18 October from 9:40 to 10:20 a.m. - in the Wiki Meetup area located in the SEG Pavilion, Booth 120. For the latest details on the SEG Book Mart and meet and greet visit http://seg.org/Events/Annual-Meeting/About/SEG-Book-Mart. Sponsor The SEG Wiki is home to hundreds of biographies of key geoscientists, geophysical tutorials, and core content from the science of applied geophysics. Visit wiki.seg.org to learn how you can grow the world’s first online, geophysics encyclopedia.

10 Okt 201621min

#5: Dallas 2016 Annual Meeting Preview

#5: Dallas 2016 Annual Meeting Preview

Preview the 86th Annual Meeting in Dallas, featuring interviews with the General Chair, Technical Program Chair, SEG’s Executive Director, and other members of the SEG staff. Show notes at seg.org/podcast. Register for Annual Meeting at seg.org/am. 1:26 – Sarah Reed, Dallas General Chair 15:38 – Johnna Yoder, SEG Student and Early Career Advisor 18:36 – Patrick Riley, SEG Member Services Associate 20:10 – Dr. Charles Sicking, 2016 Technical Program Chair 30:12 – Channing Wendt, SEG Global Business Development Advisor 33:42 – Natalie Blythe, SEG Assistant Editor, TLE 39:00 – Dorsey Morrow, SEG Executive Director

29 Sep 201643min

#4: SEG Advanced Modeling (SEAM)

#4: SEG Advanced Modeling (SEAM)

Bill Barkhouse, Associate Executive Director, Business Development & Geophysics, joined us to talk about the founding and future of the SEG Advanced Modeling (SEAM). Show notes at seg.org/podcast.

25 Aug 201622min

#3: James Gaiser, 2016 DISC lecturer

#3: James Gaiser, 2016 DISC lecturer

James Gaiser, SEG’s 2016 Distinguished Instructor, joins Andrew Geary to discuss his new book and course, 3C Seismic and VSP: Converted waves and vector wavefield applications. More info at seg.org/podcast. The SEG Distinguished Instructor Short Course (DISC) is an eight-hour, one-day course on a topic of current and widespread interest presented at locations throughout the world. With an emphasis on the unique aspects of vector wavefields, anisotropy, and the important relationships that unify S-waves and P-waves, the 2016 DISC presents an overview of 3C seismic theory and practical application: from fundamentals of PS-waves and vertical seismic profiles, through to acquisition and processing including interpretation techniques. “As a person who has published books, I am awed by the work the author has done to create this seminal publication.” Bob A. Hardage Senior Research Scientist, Bureau of Economic Geology, The University of Texas at Austin • To register for the course, visit seg.org/disc • To purchase the book, visit seg.org/bookmart If you enjoy the show, show your support and please review Seismic Soundoff on iTunes. It makes a big difference. Sponsor: The SEG Wiki is home to hundreds of biographies of key geoscientists, geophysical tutorials, and core content from the science of applied geophysics. Visit wiki.seg.org to learn how you can grow the world’s first online, geophysics encyclopedia.

16 Aug 201615min

#2: Exploring Interpretation - May 2016 with Kurt Marfurt

#2: Exploring Interpretation - May 2016 with Kurt Marfurt

Kurt Marfurt, editor of Interpretation, highlights four articles in the May 2016 issue. Show notes at seg.org/podcast. Episode sponsored by the SEG Wiki. Learn more at wiki.seg.org.

11 Aug 201620min

#1: Women in Geophysics

#1: Women in Geophysics

Seismic Soundoff’s inaugural episode celebrates the accomplishments of women in the science of applied geophysics. The episode features interviews with Sally Zinke, the first female President of the SEG, and former SEG President Klaas Koster, whose presidency ushered in the launch of the Women’s Network Committee. Maitri Erwin, Women’s Network Committee chair, serves as co-host with Andrew Geary, SEG publications outreach editor. And, geoscientists from around the world share stories of women shaping their lives. Show sponsored by the SEG Wiki (wiki.seg.org). Show notes at seg.org/podcast.

3 Aug 201642min

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