Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic data. This work documents these reprocessing efforts; detailing the pseudo-3D model updates which included tomography and full-waveform inversion...

Sparse 3D seismic survey over the Olympic Dam IOCG deposit

Heather Schijns, Jared Townsend, David Haddow, Max Shawcross, Kathy Ehrig

International Meeting for Applied Geoscience and Energy (IMAGE)

... (full waveform inversion) and Kirchoff PSDM (pre-stack depth migration) processing, but these technologies have been relatively rarely used in hard rock...

Phase-encoded waveform inversion for multiples

Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

..., University of Houston Summary Full-waveform inversion (FWI) can inherently handle all wave types, including turning waves, and primary and multiple...

Elastic reverse time migration with more than pressure data

Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the migrations most of the time. While elastic full-waveform inversion (EFWI) is becoming more attractive in recent years, the imaging remains...

Application of Fullwaveform Tomography to VSP Walkaway Data

Eric Takam Takougang, Youcef Bouzidi

Petroleum Exploration Society of Australia (PESA)

... of waveform inversion, part 2: phase approach: Geophysical Prospecting, 55, 465–475. Brenders, A. J., and Pratt, R.G., 2007, Full waveform inversion...

Edge-InversionNet: Enabling efficient inference of InversionNet on edge devices

Zhepeng Wang, Isaacshubhanand Putla, Weiwen Jiang, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... Los Alamos National Laboratory, 2 George Mason University SUMMARY Seismic full waveform inversion (FWI) is a widely used technique in geophysics...

Deep compressed learning for 3D seismic inversion

Maayan Gelboim, Amir Adler, Yen Sun, Mauricio Araya-Polo

International Meeting for Applied Geoscience and Energy (IMAGE)

..., as required by Full Waveform Inversion. We presented a solution that jointly optimizes the compressed sensing operator with the 3D inversion network, leading...

Broadband Seismic Technology and Beyond: Part IX: BroadSeis in Production

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... obtained through broadband acquisition are also crucial for Full Waveform Inversion (FWI) of towed-streamer data, a technique which is gaining...

FWI imaging of complex subsalt Mesozoic targets from land to shallow waters

Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.3997/2214-4609.202011175. Zhang, Z., J. Mei, F. Lin, R. Huang, and P. Wang, 2018, Correcting for salt misinterpretation with full-waveform inversion: 88th Annual...

Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... frequencies in BroadSeis are also crucial for Full Waveform Inversion (FWI), which is gaining popularity for velocity model building. Benefits...

Kriging-based surrogate models for convergence acceleration of Markov chains: An example of magnetotellurics-dix joint inversion

Alejandro Quiaro, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... petrophysical inversion of electromagnetic and full-waveform seismic data: Geophysics, 77, no. 3, WA3–WA18, doi: https://doi.org/10.1190/geo2011-0157.1...

Bayesian geophysical inversion with Gaussian process machine learning and trans-D Markov chain Monte Carlo

Anandaroop Ray, David Myer

Petroleum Exploration Society of Australia (PESA)

..., K. S., Hansen, T. M., and Mosegaard, K., 2012. Monte Carlo full-waveform inversion of crosshole GPR data using multiple-point geostatistical a priori...

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... and Full Waveform Inversion (FWI) (Ratcliffe et al., 2013), the enhancement of imaging (Zhou et al., 2014), and inversion studies (Soubaras et al., 2012...

Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)

John C. Bancroft

Search and Discovery.com

... be removed, especially in the case of a full waveform inversion. A one-dimensional model evaluates the movement of multiple reflections and evaluates...

Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study

Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani

Unconventional Resources Technology Conference (URTEC)

...Song, F., Toksoz, M.N., 2011. Full-waveform based complete moment tensor inversion and source parameter estimation from downhole microseismic data f...

ABSTRACT: Pre-Khuff Imaging in Qatar: What Does It Take?, by van der Molen, Matthijs; Strijbos, Floris; Duijndam, Bart; Zeylmaker, Lammert; Yahaya Joe, Osman; #90141 (2012)

Search and Discovery.com

Broadband reconstruction of seismic signal with generative recurrent adversarial network

Zhijun Zhang, Wei Song, Wei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Richardson (2018) applied GAN to seismic full waveform inversion to reduce the number of model parameters. Laloy et al. (2017) realized geostatistical...

Resolving geological complexity with legacy streamer survey, part 2: Application of DM FWI to sub-optimally acquired data

Nebojsa Pralica, Milos Cvetkovic, Seet Li Yong, Daniel Davies, Jon Rogers

International Meeting for Applied Geoscience and Energy (IMAGE)

... Case study 1 - Orange Basin Namibia The ideal conditions for successful application of Full Waveform Inversion (FWI) necessitate high SNR for ultralow...

Robust localized adaptive waveform inversion: A new regularization for Gabor deconvolution

Peng Yong, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... dataset. INTRODUCTION Full-waveform inversion (FWI) is a powerful tool to build high-resolution velocity models (Lailly, 1983; Tarantola, 1984...

Reducing mapping ambiguity via visco-acoustic multi-azimuth dynamic resolution time-lag full-waveform inversion in offshore Senegal

Kai Zhao, Hui Zhang, Jianfeng Yao, Robert Eliott-Lockhart, Jacob Low

International Meeting for Applied Geoscience and Energy (IMAGE)

...Reducing mapping ambiguity via visco-acoustic multi-azimuth dynamic resolution time-lag full-waveform inversion in offshore Senegal Kai Zhao, Hui...

Assessing FWI imagings potential to tackle illumination issues and internal multiples in the Brazilian presalt

Cyril Dolymnyj, Filipe Rudrigues, Amanda Porto, Leandro Galves, Asdrubal Ovalles

International Meeting for Applied Geoscience and Energy (IMAGE)

... results in illumination issues for NATS acquisitions, especially in the deep pre-salt section. Both Full-Waveform Inversion Imaging (FWI Imaging) and Least...

Abstract: Travel-time Inversion in a Surface Consistent Scheme; #91204 (2023)

Diego Rovetta, Apostolos Kontakis, Daniele Colombo, Ernesto Sandoval Curiel

Search and Discovery.com

... through this method and used as a good starting model for advanced VMB techniques such as 3D Refraction Tomography (RT) or Full Waveform Inversion...

Efficient physics-informed Bayesian inversion of VSP and hydrofrac data

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

... gradient descent solutions for least squares migration (full waveform inversion) can cost no more than 5-10 (30-60) iterations. Each iteration costs about...

An acoustic wave equation with the gradients of velocity and density

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation in full waveform inversion or is used for optimizing migration image in least-squares RTM. Note that historically the reflectivity has been used...

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Z. Zhang, Z. Wu, Z. Wei, J. Mei, and P. Wang, 2021, Full-waveform inversion for full-wavefield imaging: Decades in the making: The Leading Edge, 40, ...