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Showing 999 Results. Searched 200,685 documents.
Abstract: Borehole Acoustical Reflectivity Surveys, Case Studies for Unconventional Resources
Brian Reynolds
West Texas Geological Society
.... Hornby, B. (1989). “Imaging of near-borehole structure using full-waveform sonic data.” GEOPHYSICS, 54(6), 747–757. doi: 10.1190/1.1442702 Jakob...
2013
ABSTRACT: Geophysical Investigation of the Breccias Impact on Reservoir Quality in the Madison Formation, The Beartooth Region, Montana, U.S.A, by AlKawai, Wisam H.; #90135 (2011)
Search and Discovery.com
2011
Broadband Marine Seismic, Does Acquisition Make a Difference?
Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng
Indonesian Petroleum Association
... frequency modeling in the case of inversion for acoustic impedance and re essential for emerging technologies such as full waveform inversion (FWI...
2013
Abstract: A Field Experiment Recording Low Seismic Frequencies; #90174 (2014)
G. F. Margrave, M. B. Bertram, K. L. Bertram, K. W. Hall, K. A. H. Innanen, D. C. Lawton, L. E. Mewhort, and T. M. Phillips
Search and Discovery.com
... inversion methods, both post-stack impedance inversion and full-waveform inversion, require low-frequency information about the desired earth model...
2014
Manage Risk with Breakthrough Seismic Acquisition Technology: The GeoStreamer Story Continues New Reservoir Opportunities Revealed
Cyrille Reiser, Folke Engelmark
Petroleum Exploration Society of Australia (PESA)
... the application of Full-Waveform Inversion (FWI) to GeoStreamer data. Note the great detail achieved on the right. This will translate to higher resolution...
2010
Major Geological Surfaces of the Exmouth Plateau from the New Broadband PreSDM Reprocessed 3D Seismic Data with Full Waveform Inversion
Feng Xu Jian, Pooya Hadian, Stephen Doyle, Simon Molyneux, Hongfeng Wu
Australian Petroleum Production & Exploration Association (APPEA) Journal
...Major Geological Surfaces of the Exmouth Plateau from the New Broadband PreSDM Reprocessed 3D Seismic Data with Full Waveform Inversion Feng Xu Jian...
2022
Reservoir characterization and associated uncertainties of a presalt carbonate field, Brazil offshore
Jaydip Guha, Hannah Wood, Martijn Blaauw, Caroline Scott, Cody Stewart, Lina Xu, Wenceslau P. Gouveia, Edward Follows, Runer Avila, Andrew Barnett, Josephine Wheeler
International Meeting for Applied Geoscience and Energy (IMAGE)
...’s, in cases based on geological concepts and (2) alternative rock physics relationships justified given the level of data scattering. In addition, full-waveform...
2022
Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield
Arash JafarGandomi, Aparajita Nath, Sergio Grion
International Meeting for Applied Geoscience and Energy (IMAGE)
..., however, the inclusion of these effects in full waveform inversion (FWI) modelling also appears attractive and should be explored further...
2023
Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico
Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... suppression flow, respectively. When these data are imaged with a revised earth model from full-waveform inversion the resulting image shows improvements...
2022
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...
2022
Australia: Depth Reprocessing Rejuvenates Gippsland Basin
Peter Baillie, Paul Carter, Jarrad Grahame, Joe Zhou, Nigel Mudge, CGG
GEO ExPro Magazine
... rift; the siliciclastic Latrobe • Multi-passes of Full Waveform Inversion (FWI) were Group, initially deposited within a continental rift...
2019
A deep-learning workflow for weak reflection extraction in pitch-catch measurements in cased-hole
Qiang Wang, Hua Wang, Shaopeng Shi
International Meeting for Applied Geoscience and Energy (IMAGE)
... design two metrics, TIE arrival time and L1-norm between estimated A0 and full waveform, to label actual A0 and TIE from good separation results. Fig. 5...
2022
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...
2022
Broadband Seismic Technology and Beyond: Part XI: Which Technology to Choose?
Lasse Amundsen, Martin Landrø, Jan Erik Lie, Vidar Danielsen, Per Eivind Dhelie
GEO ExPro Magazine
... to a streamer towed at 8m depth. For more advanced use of seismic processing is de-ghosting. As described in data, as for example Full Waveform earlier...
2014
New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania
Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham
International Meeting for Applied Geoscience and Energy (IMAGE)
... consistent signal was used in the velocity model building process. Velocity model building integrated full-waveform inversion (FWI) and tomography...
2022
Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
.... This is exploited in Full Waveform Inversion to determine the low frequency velocity model. We clearly see that diving waves occur at large offsets...
2017
Advancing Geophysics Through Cooperation
Josef Paffenholz
GEO ExPro Magazine
... would look at issues around Full Waveform Inversion and at Artificial Intelligence. Both projects would expand collaboration beyond model building...
2018
Direction-dependent strain transfer function of DAS considering gauge length and pulse shape with its implications on high spatial resolution acquisitions
Peter Hubbard
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Applications like geo-structural health monitoring, seismic gradiometry, and full-waveform inversion (FWI) benefit from both amplitude and phase...
2022
Gippsland Basin, Australia: New Data Reveals Further Potential in a Mature Basin
Jarrad Grahame, Keat Huat Teng, Iain Burnie, CGG
GEO ExPro Magazine
... wave analysis on the Gippsland ReGeneration dataset confirmed that a 7000m streamer was optimal for Full Waveform Inversion (FWI) results. The new...
2021
Angolan Kwanza Basin Expanding Proven Opportunities
Madhurima Bhattacharya, Harrison Moore
GEO ExPro Magazine
..., and time-lag full-waveform inversion (TLFWI) to produce a more accurate velocity model. The net result is enhanced Pre-Salt imaging and better-defined...
2022
Seismic Foldout: Santos Basin, Brazil: Understanding the CO2 exploration risk with ultra-deep seismic
Roberto Juncken, Bruna Lyra, Mariano Gatti, Abraham Rodriguez, CGG, Natasha Stanton, Andres Gordon
GEO ExPro Magazine
... dual-azimuth (DAZ) image. The aim of the survey design was to improve seismic illumination by using longer cables for enhanced full-waveform inversion...
2023
Rejuvenating legacy seismic for screening carbon storage sites in the Gulf of Mexico
Neville Brookes, Ravi Kumar, Gregor Duval, Simon Otto, CGG
GEO ExPro Magazine
... from modern-day processing techniques, such as deghosting, model-based water-layer demultiple (MWD) and full-waveform inversion, resulting...
2024
Seismic Foldout: The path to commercial oil: Developing the Kuda Tasi and Jahal discoveries offshore Timor-Leste
Aaron Bond, Shane Westlake, FINDER ENERGY, SEARCHER
GEO ExPro Magazine
...-ghosting and full waveform inversion to enhance subsurface imaging. The original seismic data acquisition is of good quality yet does degrade slightly...
2025
Reducing charge risk using velocities from elastic FWI and sparse node OBN
Nathan Van Farowe
International Meeting for Applied Geoscience and Energy (IMAGE)
... be identified on seismic data?: Geology, 39, 1167–1170. Richardson, J., K. Fu, S. Lu, B. Bai, X. Cheng, and D. Vigh, 2023, Elastic full-waveform inversion...
2024