Podcast Tag: seismic

Episode 227: How Experts Use Data and Technology to Navigate Subsurface Uncertainty

“Understanding the problem is sometimes often more important than getting to a solution.”

Madhav Vyas and Dr. David Lubo-Robles discuss June’s The Leading Edge on subsurface uncertainty. They explore the complexities of predicting subsurface outcomes and the various sources of uncertainty that geophysicists must address. The episode also covers the impact of interface rugosity on wave propagation, methods for assessing uncertainty in seismic workflows, and the benefits of using invertible neural networks. Listeners will gain insights into the challenges and solutions related to subsurface uncertainty, the importance of critical thinking in geoscience, and the potential of emerging technologies to improve subsurface predictions.

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Episode 225: How to Keep Geophysics Relevant w/ Tim Dean

“We (geophysicists) need to look where the markets are rather than expect people to come to us. We have skills, and it’s just about finding where we can apply these in the future.”

The need for the world to transition away from fossil fuel to renewable energy sources is well established. However, the movement away from fossil fuels does open up new prospects for the seismic method’s application in areas as diverse as geothermal energy and mineral exploration. Dr. Tim Dean examines these new applications and discusses the opportunities developing for the method’s application and their likely impact on future developments. No matter where you are on your geophysics journey, this episode is a must-listen. This conversation is challenging and insightful and may just save geophysics.

Episode 224: The Physics Behind Land Seismic Noise (Christof Stork)

“With ​every ​new ​acquisition, ​spend ​2% ​of ​your ​budget ​to ​do ​research ​to ​understand the ​noise ​and ​signal ​drivers ​in ​your ​area. ​It ​might ​help ​any ​future ​neighboring ​acquisition, ​or ​it ​might ​just ​help ​the ​field ​in ​general, ​​which ​you ​and ​your ​career ​will ​benefit ​from.”

Dr. Christof Stork delves into the intricate world of land seismic noise. Despite the advancements in marine processing and pre-stack depth migration, land seismic methods have yet to see comparable progress. He emphasizes the need for more attention and funding in this area, highlighting how crucial it is for improving seismic data quality. Listeners will better understand why land seismic noise remains a complex problem and the potential pathways to progress.

Episode 222: The Seismic Approach to Mining Geophysics (Heather Schijns)

“History is telling us that we’re likely to get some new discoveries from introducing seismic into our mixture. Nobody understands mineral deposits like the geoscientists who work on them day in, day out.”

Dr. Heather Schijns explores the groundbreaking use of hard rock seismic data in mineral exploration with insights from one of the most popular papers at IMAGE 2023. Heather explains why now is the perfect time for the mining industry to embrace seismic methods, especially as the search for base metal resources deepens and conventional geophysical approaches face limitations. She also makes a compelling business case for seismic exploration, urging listeners to consider the value and risk reduction seismic data can provide.

Episode 218: Innovations in Fault and Fracture Imaging (Molly Turko)

“Faults and fractures are not necessarily good or bad, but it’s important to really understand them.”

Dr. Molly Turko discusses March’s special section on imaging faults and fractures in The Leading Edge. Molly sheds light on the crucial role of imaging these hidden networks in understanding their impact on production, injection, and completions. With a clear message that faults and fractures are neither inherently good nor bad, this conversation challenges common misconceptions and emphasizes the importance of detailed imaging to gauge their significance.

Episode 212: Examining 5 Unconventional Borehole Seismic Techniques

“The challenge is to learn and be aware of new techniques and applications and apply them.”

Unconventional borehole seismic services encompass techniques that go beyond conventional seismic methods. With over eight decades of classical seismic methods shaping our understanding, Eduardo Corti introduces listeners to the newer techniques that have emerged in the past 15 years, which promise greater detail and higher resolution insights into reservoir properties.

Episode 203: Solving future challenges for deep exploration

In the 1920s, the first oil discovery in Seminole, Oklahoma, was made at a depth of approximately 4,000 feet. Currently, the world’s deepest oil well in Russia extends 49,000 feet into the earth’s surface. Deep exploration below existing production, complex overburden, or at the limits of geophysical resolution is critical for existing and emerging ventures. To meet these challenges, researchers and geoscientists are actively working to acquire better data and develop innovative methods to improve imaging. And in this episode, guest editors Chao Wang and Stephen Graf highlight the recent advances that improve success and extend capability in challenging deep environments.

Episode 202: The next revolution in seismic interpretation

Steven Lynch discusses his article in The Leading Edge, “High visual resolution interpretation: The case for virtual seismic reality.” Steve lays out the case for why the seismic you have is better than you think. He argues that the industry needs to undergo a complete change of mindset regarding visualization. Steve hopes to convince you that there’s a tremendous amount that you’re not seeing. And that most of the information acquired in seismic has yet to be observed or interpreted. This episode will give you much to think about – and maybe help you unlock new oil in old places.

Episode 164: Understanding the near-surface scattering problem

Carlos Calderón-Macías holistically explores the near-surface scattering problem in this conversation with host Andrew Geary. He highlights ways to understand the problem better and why using the noise as signal approach should be further developed. He also explores the differences in the scattered waves for land, ocean-bottom, and near-surface data. Carlos shares what inspired this lecture, the three groups perfect for this talk, and the questions he hopes attendees will ask themselves. Not only does this conversation highlight the near-surface scattering problem, but it showcases general approaches for solving any geophysical problem.

Episode 162: How rocks heal

Roel Snieder discusses his 2022 SEG-AAPG Distinguished Lecture, "Measuring variations in the seismic velocity as a diagnostic of rock damage and healing." Roel shows surprisingly that the seismic velocity is not constant at all. It varies with the seasons, temperature, precipitation, and ground shaking. He also discusses how logarithmic healing in rocks is a widespread behavior that is akin in its generality to the Gutenberg-Richter law. Roel also provides insights into the role of spirituality in science and offers actionable tips on preventing burnout. This is a wide-ranging conversation with surprising insights into rocks, as well as how to live a successful life.

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