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The AAPG/Datapages Combined Publications Database
Showing 756 Results. Searched 200,293 documents.
Full-waveform inversion using velocity-encoded physics-informed neural networks
Mohammad Taufik, Xinquan Huang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... for a scattered frequency domain wave equation before explaining how to incorporate the trained LatentPINN model to perform FWI. Latent representation...
2024
Abstract: White Noise Suppression in the Time Domain Part I; #90174 (2014)
Patrick Butler
Search and Discovery.com
... al., 2004). However that work was done principally in the frequency domain. That has proven to be more difficult than necessary. The frequency domain...
2014
Abstract: Towards Using Harmonic Noise to Image Shallow Thin Reflectors; #90187 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, Andrew Barrett, and Helen Isaac
Search and Discovery.com
... on a single sweep showing the fundamental (H1), H2, H3 and H4. Time domain H1+H2 H1 view of the decomposition (top) and frequency domain view (bottom...
2014
Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)
K. H. Miah and M. D. Sacchi
Search and Discovery.com
... and Yeh, 1998; etc.). The limitation of the frequency domain representation arises from the fact that if both the signal and noise overlaps in the same...
2015
Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)
Zhenhua Li and Mirko van der Baan
Search and Discovery.com
... theorem by time-reversing the wavefield of one state, to get (2) where conjugate in frequency domain represents time reversal in time domain...
2015
Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative
Ao Cai, Colin A. Zelt
International Meeting for Applied Geoscience and Energy (IMAGE)
... the predicted and observed data. WI generally includes frequency-domain (Pratt, 1999; Ravaut et al., 2004) and time-domain (Tarantola, 1984; Mora, 1987...
2022
Uncertainty quantification for full-waveform inversion with a mini-batch gradient-based sampling method
Zeyu Zhao, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... 0.02 km in both directions. The Ricker wavelet with the peak frequency of 10 Hz is used to generate 92 shots gathers using time domain rapid expansion...
2022
Chapter 8-part 2: Spectral Decomposition
Gregory A. Partyka, Michael D. Bush, Paul G. A. Garossino, Paul R. Gutowski
AAPG Special Volumes
..., a steep-sided boxcar-shaped filter in the frequency domain transforms to a sinc waveform in the time domain. A layer/boxcar in the time domain...
2011
Abstract: Inexact Full Newton Method for Full Waveform Inversion Using Simultaneous Encoded Sources; #90187 (2014)
Amsalu Y. Anagaw and Mauricio D. Sacchi
Search and Discovery.com
... full Newton optimization method for the full waveform inversion algorithm in the frequency domain which utilizes simultaneous sources based upon...
2014
Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)
Wubshet Alemie
Search and Discovery.com
... frequency domain acoustic wave equation with PML boundary conditions and discretized with second order in space finite difference. The resulting linear...
2015
Exploiting a Priori Model Reduction Methods to Accelerate Seismic Simulations, #42038 (2017).
David Modesto, Josep De La Puente
Search and Discovery.com
... required particular solution in a real-time framework. A simple 2D problem in frequency domain is used to exemplify the potential of this methodology...
2017
The Developing Role of Analysis in the Design of Floating Production Systems
D. B. Melver, D. Cash
Indonesian Petroleum Association
.... Krolikowski, L.P. and Gay, T.A., 1980, An improved linearization technique for frequency domain riser analysis: Offshore Technology Conference, OTC...
1985
Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces
Shastri L. Nimmagadda, Andrew Ochan
Petroleum Exploration Society of Australia (PESA)
... theoretical expressions. Theoretical expressions for frequency-domain soundings written for layered earth models are suitably transformed for evaluation...
2016
Detection of Fluvial Systems Using Spectral Decomposition (Continuous Wavelet Transformation) and Seismic Multi-Attribute Analysis A New Potential Stratigraphic Trap in the Carbonera Formation, Llanos Foothills, Colombia; #42281 (2018)
Essam Saeid, James Kellogg, Christopher Kendall, Ibraheem Hafiz, Zyaid Albesher
Search and Discovery.com
... transformation for evaluation of hydrocarbon reservoirs, and (5) use multi-attribute analysis on the frequency cubes (frequency domain) to enhance stratigraphic...
2018
Some Qualitative Analyses of the Ground Magnetic Survey in the Kedah Peak Rest House Area, Kedah
B. K. Lim
Geological Society of Malaysia (GSM)
... measured in field. Fig. 3). QUALITATIVE ANALYSES Some qualitative analyses of the magnetic data were carried out in the frequency domain. Figs. 5a...
1980
Thin Layer Reservoir Characterization on Basal Sand, Aryani Field, Asri Basin
Zha Chaoyang, Shen Weifeng, Susandhi Ridwan, Jendra Alfredy, Widya Andine, Heri Gunawan
Indonesian Petroleum Association
... in calculating the attribute volumes and scans the whole spectrum of seismic data in the frequency domain. The resulting images play a broad role...
2011
Robust seismic data denoising based on factor group-sparse regularization
Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny
International Meeting for Applied Geoscience and Energy (IMAGE)
... approximation of the Hankelized seismic data in the frequency domain. We evaluate the denoising robustness of the proposed method on synthetic data...
2024
Spectral Decomposition: Extending the Limits of Seismic Resolution for Reservoir Delineation
Sunu H. Praptono, Bambang Murti, Dylan Mair
Indonesian Petroleum Association
... in the data. Methodology The spectral decomposition transforms the seismic data into the frequency domain via a DFT (Discrete Fourier Transform) or via a MEM...
2003
Quantifying the Influence of Rock Fabric, Composition, and Electrical Double Layer on the Broadband Dielectric Dispersion of Organic-rich Mudrocks
Artur Posenato Garcia, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
... layers. We solve the Kirchhoff’s current law in the frequency domain through a finite volume method. We assign a dielectric permittivity to each...
2018
Abstract: Event-directed Spectrum Extrapolation for Upsampling Seismic Traces; #90172 (2014)
Zhengshong Yao, Elvis Floreani
Search and Discovery.com
... data set. Therefore, in frequency domain, a portion of the low un-aliased frequency band can be used for the dip parameters’ estimation. Because...
2014
Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)
Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann
Search and Discovery.com
...Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014) Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann...
2014
Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)
Eric M. Takam Takougang and Andrew J. Calvert
Search and Discovery.com
... shallow gas in the Queen Charlotte Basin. Waveform tomography We used the 2-D visco-acoustic waveform tomography approach in the frequency domain...
2015
Elastic full-waveform inversion using OBN data acquisition
Denes Vigh, James Xu, Xin Cheng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
... be implemented in time domain or frequency-domain (Brossier 2010) while Castellanos et al. (2011) suggested a hybrid method using time-domain forward modeling...
2022
ADMM-based full-waveform inversion of ground-penetrating radar data
A. Jalali, H. S. Aghamiry, A. Gholami
International Meeting for Applied Geoscience and Energy (IMAGE)
... decrease the computational burden of time-domain FWI (by using a limited number of frequency components), frequency-domain FWI was implemented on GPR data...
2022
Assessment on the Serviceability of Monopod Platforms in Java Sea Due to Wave Excitation
Gde Pradnyana
Southeast Asia Petroleum Exploration Society (SEAPEX)
... the study of fluid-structure interaction is found to be of vital importance. In theory, apart from the responses in the wave frequency domain...
1996