Seismic Soundoff-logo

Seismic Soundoff

Science Podcasts >

In-depth conversations in applied geophysics

In-depth conversations in applied geophysics
More Information


United States


In-depth conversations in applied geophysics








66: The importance and relevancy of AVO inversion in 2019

In this compelling episode, host Andrew Geary speaks with Edward Townend, Staff Geophysicist at Shell and Associate Editor for The Leading Edge, to discuss TLE's October special section on AVO inversion. Ed and Andrew discuss why new and experienced geophysicists should take an interest in AVO, how data science and machine learning are improving the technique, the future of AVO in the industry, and much more. Visit for the show notes. Biography Edward Townend is a...


65: The Evolution of Unconventional Play Analysis + SEG Presidential Address

In this episode of SEG's flagship podcast, we hear from the SEG President and the keynote speaker from the SEG 2019 in San Antonio, TX. Walter Guidroz serves as Program Coordinator of the Energy Resources Program at the U.S. Geological Survey (USGS) in Reston, Virginia. At the SEG, his keynote address discusses "The Evolution of Unconventional Play Analysis at the USGS." Additionally, the SEG President Rob Stewart presents the State of the Society address, summarizing the year in applied...


64: SEG 2019 preview

In this episode, host Andrew Geary previews the 2019 International Exposition and 89th Annual Meeting. Andrew speaks with the Technical Program Co-Chair on all the educational opportunities, the General Chair on what to expect on the Exhibition Floor, and SEG's new Executive Director highlights what members and attendees can expect in San Antonio. Episode 64 proudly sponsored by TGS. This year make your way to San Antonio and join geoscience professionals and students from all over the world...


63: Helping those in harm's way - A GWB story

In 2016, Dr. Ron Harris of Brigham Young University led a Geoscientists Without Borders team to Java, Indonesia to help prepare the community for the next tsunami. For this special Soundoff episode, we showcase Ron Harris' project in Java through a short, richly produced and narrative-driven story that captures the spirit of GWB. In Ron's own words, he highlights the moment when his son changed his geoscience career, the simple tool that brought peace to a community, and the power of working...


62: Anisotropy without tears featuring Heloise Lynn

In this episode, host Andrew Geary speaks with Heloise Lynn on her upcoming North American Honorary Lecturer tour starting 5 September. Andrew and Heloise discuss Leon Thomsen's famous deck of cards from SEG 1986, the controversy surrounding her recent published paper, how anisotropy can be understood by all geophysicists, what would happen if azimuthal P-P seismic measurements reached its full potential, and more. This interview isn't to be missed. Learn more about her tour at...


61: How plate tectonics changed the geosciences

In this episode, host Andrew Geary speaks with Lynn Sykes on his new book, Plate Tectonics and Great Earthquakes: 50 Years of Earth-Shaking Events. Andrew and Lynn discuss how the theory of plate tectonics transformed earth science and the petroleum industry, how earthquakes are more damaging in the Central and Eastern parts of the United States, the role Maurice Ewing played in plate tectonics and Lynn's career, and more. Learn more about Dr. Sykes' book at...


60: The power and limitations of machine learning and data

In this episode, host Andrew Geary speaks with Simon Shaw and Arvind Sharma on July's The Leading Edge that highlights machine learning applications. Simon and Arvind discuss what problems machine learning successfully solves, the requirements and limitations of machine learning, what the next five years hold for the topic, and more. Visit for links to July's special section. Interviewee biographies Dr. Arvind Sharma is VP of Data and Analytics at TGS. In this role,...


59: Tunnels to drones to 12th century churches - the depth of near-surface geophysics

In this episode, host Andrew Geary speaks with Adam Mangel on June's The Leading Edge highlighting near-surface geophysics. Adam explains the reasons to study the near surface, why it applies to a wide-range of professionals, the practical applications for the field, and why more students should look to near-surface geophysics for their future. Visit for links to June's special section and to learn more about the SEG Near-Surface Geophysics Technical Section....


58: Understanding signals & The Beatles' connection to Fourier Analysis

In this episode, host Andrew Geary speaks with Michael Burianyk on his new book, Understanding Signals: Basic waveform analysis from a geophysical perspective. In this concise and informative book, Michael walks the reader through one of the foundational principles of geophysics in a way all readers can benefit. This book will help inform all aspects of the field - from geologists to programmers to managers to experienced geophysicists. And they also discuss how Fourier Analysis and The...


57: Building canals - how science and friendship changed a town

On this episode of Seismic Soundoff, we start a journey with a team of scientists partnering with a former Inca city in Perú. This small, rural village of 4,000 people in Zurite, Perú all rely on agriculture, but the strong, seasonal climate limits their livelihood six months of the year. Jasper Oshun, project manager for this Geoscientists Without Borders team, shares a unique history with Zurite that goes back 15 years. His local knowledge, along with his GWB team's expertise and the...


56: Understanding modern rock physics and the future for scientific experiments

In this episode, host Andrew Geary speaks with Joel Sarout on May's The Leading Edge exploring rock physics. Joel highlights the nine papers and discusses the common themes and latest advances in this growing topic. He also highlights the case studies from this special section, why new geophysicists should specialize in rock physics, and considers the next advances in rock physics. Joel Sarout is a Senior Research Scientist at the Commonwealth Scientific and Industrial Research Organization...


55: Shrinking uncertainties in the geosciences - an exploration of India

In this episode, host Andrew Geary speaks with Satchidananda Rath and Soman Chacko on April's The Leading Edge highlighting the recent oil and gas developments in India. First, Mr. Rath provides an overview of the current geophysical activity in India and where the next advancements might come from. Then Andrew speaks with Dr. Chacko highlighting a few of the eight papers published for this special section, discussing techniques and geophysics utilized in prolific and unexplored basins in...


#54: A guide to the past and future of geophysics with John Etgen

In this episode, host Andrew Geary speaks with John Etgen, Virgil Kauffman Gold Medal winner and upcoming Distinguished Lecturer for the third and fourth quarter of 2019. John and Andrew have an engaging and multi-faceted conversation on the current capabilities of depth imaging, the limitations of full-waveform inversion, his upcoming DL tour, how his time at Stanford and the Amoco Production Research Company impacted his career, and more. This episode proudly sponsored by ION Geophysical....


#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...


52: The digital transformation of the energy sector

In this episode, host Andrew Geary speaks with John Hudson and Bill Abriel on the upcoming Energy in Data Conference. The conference will take place in Austin, Texas from 17-19 June. Powered by AAPG, SEG, and SPE, this forward-looking conference will include the latest in digital transformation trends as they relate to the energy sector (topics such as machine learning and data management storage), oil & gas development and drilling, production, and more. How can we benchmark capabilities of...


51: What is geophysics?

In this episode, host Andrew Geary speaks with Dean Mento, Senior Petroleum Geophysicist at IHRDC and dynamic educator. Dean and Andrew discuss what's exciting about being a geophysicist, the career options available, the problems geophysicists solve, and much more. If you like adventure and solving complex problems or need help explaining your work to friends and family - this episode is for you. Show notes and links at Interviewee biography Mr. Mento is...


#50: The geophysics value proposition for unconventionals

In this episode, host Andrew Geary speaks with Scott Singleton, guest editor for February's The Leading Edge. February's special section highlights eight unconventional case studies. Scott discusses how the industry can rise to the challenge of unconventional, the link between unconventional and microseismic, and a brief history on the field. Subscribers can read the full articles in the SEG Digital Library at abstracts are always free. Show notes and links at...


#49: Highlighting humanitarian geophysics: A conversation with Paul Bauman

Craig J. Beasley was the driving force behind the founding of Geoscientists Without Borders. In recognition of his contribution, the Craig J. Beasley Award for Social Contribution was established and is awarded to a person or organization that has made a meritorious achievement that supports the application of geophysics to a humanitarian, public service, or other socially significant cause. This episode's guest, Paul Bauman, received the inaugural Craig J. Beasley Award for Social...


#48: Innovative approaches to old challenges - three case studies in Conventionals

In this episode, host Andrew Geary speaks with Shauna Oppert, guest editor for January's The Leading Edge. January's special section highlights three case studies focusing on conventional systems. These case studies take place in three different regions of the world, with each challenge tackled using innovative approaches to reservoir characterization in complex geologic regions. Shauna showcases how these papers provide insight into designing custom approaches with new technologies to...


#47: SEG Honors and Awards 2018 - Albert Tarantola and Mrinal Sen

One of the most important functions of a professional society is honoring those who have made significant contributions to the profession and to science. In this episode we highlight two of the 2018 Honors and Awards winners: Albert Tarantola and Mrinal Sen. Albert Tarantola was awarded the 2018 Maurice Ewing Medal, the highest honor given by the SEG to a person who has made distinguished contributions both to the advancement of the science and to the profession of exploration geophysics. In...