AAPG Asia Pacific Region Geosciences Technology Workshop

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Time-lapse electromagnetic with Gramian

Jide Nosakare Ogunbo, Sang-Wook Kim, Arrey F. Enow

International Meeting for Applied Geoscience and Energy (IMAGE)

... REFERENCES Alemie, W., and M. Sacchi, 2016, Joint reparametrized time-lapse full-waveform inversion: 86th Annual International Meeting, SEG, Expanded...

Physics-directed unsupervised machine learning: Quantifying uncertainty in seismic inversion

Sagar Singh, Yu Zhang, David Thanoon, Pandu Devarakota, Long Jin, Ilya Tsvankin

International Meeting for Applied Geoscience and Energy (IMAGE)

... Information Processing Systems, 2348–2356. Guitton, A., 2011, A blocky regularization scheme for full-waveform inversion: 81st Annual International...

Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation

Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS

GEO ExPro Magazine

... fault definition. Blue and orange markers understanding. Full waveform inversion (FWI) indicate improvements in the Tertiary and Jurassic respectively...

Quantitative Interpretation Reveals Prospectivity of the Kwanza Shelf, Offshore Angola

Roberto Ruiz, Cyrille Reiser, Avril Burrell, PGS, Jean Afonso Colsoul, Naire Judith Ricardo Cahumba Quenge, ANPG

GEO ExPro Magazine

... geometries associated with the salt. For this, tomography (reflection and refraction) and Full Waveform Inversion (FWI) have been used to unveil...

Subsurface characterisation for future CCS applications using uncommon 3D surface and borehole seismic survey geometries at Harvey, Western Australia

Milovan Urosevic, Sasha Ziramov, Roman Pevzner, Konstantin Tertyshnikov, Sinem Yavuz, Anton Egorov, Andrej Bona, Valeriya Shulakova, Dominique Van Gent

Petroleum Exploration Society of Australia (PESA)

... of Full Waveform Inversion (FWI) of VSP data for rock characterisation. The main reason for looking into the VSP FWI approach was a greater SNR...

Efficient lossy compression of seismic wavefields via GPU-based Tucker decomposition

Yongjie Tang, Wei Zhang, Wu Wang, Tao Lei

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Technology SUMMARY Full Waveform Inversion (FWI) and Reverse Time Migration (RTM) are usually require the ready availability of the forward and adjoint...

Subsurface hydrogen storage: A feasibility study

Dwaipayan Chakraborty, Subhashis Mallick, Mortezaa Dejam

International Meeting for Applied Geoscience and Energy (IMAGE)

... and that after replacing brine with H2 for the interval of fluid replacement and underneath (Fig. 3). Fig 4. Full waveform inversion result. (a) Density...

A study on lossy compression for background wavefield storage in LSM

Átila Saraiva Quintela Soares, Mauricio Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2008), including full waveform inversion (FWI). Although strategies such as checkpointing (Griewank, 1992; Symes, 2007), wavefield reconstruction...

Basin-to-Prospect-Scale Subsurface Characterisation: New Insights into the Exmouth Sub-Basin, North West Shelf, Australia

Abdul Kholiq, Claire Jacob, Bee Jik Lim, Oliver Schenk, Anubrati Mukherjee, Alex Karvelas

Australian Petroleum Production & Exploration Association (APPEA) Journal

... that combined full-waveform inversion and common image point tomography yielded high-quality seismic velocities across the survey area. The depth trends...

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

...: Offshore Technology Conference, doi: https://doi.org/10.4043/ 30946-MS. Virieux, J., and S. Operto, 2009, An overview of full-waveform inversion...

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...

Combined OBN and high-resolution 3D streamer acquisition for CO2 monitoring: Initial model building and imaging results over Sleipner

Simon Stokes, Sandrine David, Eddie Cho, Dhiman Mondal, Graeme Stock, Simon Baldock

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the survey. Raw hydrophone node data is used to perform diving wave full waveform inversion (FWI) up to a frequency of 12 Hz, utilizing the NFH...

A flexible and versatile joint inversion framework using deep learning

Yanyan Hu, Jiefu Chen, Xuqing Wu, Yueqin Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... generative adversarial network (Cycle-GAN) have been used for full waveform inversion and velocity-model building in seismic exploration (Yang and Ma, 2019...

Seismic absolute acoustic impedance inversion using domain adversarial based transfer learning

Anjali Dixit, Animesh Mandal

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Extrapolated full-waveform inversion with deep learning EFWI CNN: Geophysics, 85, no. 3, R275–R288, doi: https://doi.org/10.1190/geo2019-0195.1. Taner, M...

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

... tomography followed by frequency-domain waveform inversion) of long-offset data provides a possible solution. In order to investigate this, we generated...

Semiautomated Lateral Landing Advisor for On-Time Decisions Utilizing Digital Borehole Sonic Services and Next-Generation Cloud-Based Fracturing Design

Edgar Velez, Juan David Estrada, Adam Donald, Romain Prioul, Ting Lei, Erik Wielemaker, Violeta Lujan

Unconventional Resources Technology Conference (URTEC)

..., S., Dasgupta, S., Van Kleef, F., & Brindle, F., 2018, TI elastic-property inversion on basis of walk-away VSP and full waveform sonic, Paper...

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

.... INTRODUCTION Classical Full Waveform Inversion (FWI) requires a kinematically accurate initial velocity model describing the long wavelengths...

A two-stage deep learning workflow for automated seismic inversion

Haibin Di, Wenyi Hu, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Simultaneous multifrequency inversion of full waveform seismic data: Geophysics, 74, no. 2, R1– R14, doi: https://doi.org/10.1190/1.3073002. Li, Z...

Integrating Borehole Imaging and Full Waveform Dipole Sonic Data to Estimate Fracture Porosity in Tight Formations: A Workflow for Accurate Characterization of Natural Fractures; #42582 (2023)

Doina Irofti, Ghoulem Ifrene, Fethi Ali Cheddad, Safouane Djemai

Search and Discovery.com

...Integrating Borehole Imaging and Full Waveform Dipole Sonic Data to Estimate Fracture Porosity in Tight Formations: A Workflow for Accurate...

Deep-learning application of salt geometry detection in deep water Brazil

Ruichao Ye, Anatoly Baumstein, Kirk A. Wagenvelt, Erik R. Neumann

International Meeting for Applied Geoscience and Energy (IMAGE)

... images for full-waveform inversion: 87th Annual International Meeting, SEG, Expanded Abstracts, 1512–1517, doi: https://doi.org...

Implementation of Seismic Data Quality Characterisation Using Supervised Deep Learning

Joshua Thorp, Krista Davies, Julien Bluteau, Peter Hoiles

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of broadband acquisition and deghosting, pre-stack depth migration (PSDM) and full waveform inversion (FWI) are recent examples of technologies that have...

Marine Vibrator Concepts for Modern Seismic Challenges

Andrew Long, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

... for environmentally sensitive applications, and 3. High power ultra-low frequency sources specific to Full Waveform Inversion (FWI) optimization. One relevant...

A novel vector PP imaging condition for elastic reverse-time migration

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Zhu et al., 2009), or the gradient terms of objective functions in the elastic full waveform inversion (FWI). Under this category, angle-domain...

Insights from the Automated Extraction of Surfaces from the Bunda 3D Seismic Survey

J. K. Dirstein, T. Rudge, R. Li, A. J. Stanley

Petroleum Exploration Society of Australia (PESA)

... to the fitness map from the full waveform segment (compare Fig. 5a to Figs 5c, 5d, 5e) suggesting a degree of stability and consistency over this portion...