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Keywords: operator
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Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4072851
...) follows the logic of image deblurring and the key problem is to calculate a reliable Hessian matrix that can be effectively replaced by a set of point-spread-functions (PSFs). The PSFs calculation depends on forward/migration operator, acquisition geometry, migration velocity, and source signature. Due...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4089191
... reservoir characterization velocity model domain full waveform inversion applied geoscience & energy 10 inversion das-vsp data operator exploration geophysicist location 1 delay time multiple migration geology waveform inversion full waveform inversion imaging condition migration operator...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100603
.../scattered (I/S) illumination vectors which are further used to construct high-resolution PSF operators at each image grid point. The PSFs are then used as deconvolution operators to enhance the migration image. We demonstrate the imaging enhancements provided by the proposed LAD-PSF LSM approach on real...
Proceedings Papers
Karthik Mukundakrishnan, Klaus Wiegand, Vidyasagar Ananthan, Daniel Kahn, Dmitriy Tischekin, Marcos Kajita, Clement Etienam
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100677
... in porous media geologist reservoir simulation equation neural network fluid dynamics geology artificial intelligence neural operator coupling machine learning gpu-accelerated full-physics simulator applied geoscience & energy 10 fourier neural operator-based surrogate model enhancing...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101478
... compression applied geoscience & energy 10 product test result operator university reservoir characterization algorithm compression algorithm migration A study on lossy compression for background wavefield storage in LSM A´tila Saraiva Quintela Soares*, and Mauricio Sacchi, University...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-w12-02
... Recent experience with a variety of companies in the Middle East suggests that despite the history of success of simultaneous source work onshore, and resultant deblending of data, there are still a large number of operators that have the perception that it doesnt work, or that It distorts...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4090872
... the application of InADMM with two classical problems in seismic processing and inversion. iteration algorithm inexactness criterion geology geologist operator reservoir characterization alternating direction method inversion nested iteration tol admm inadmm inadmm algorithm applied geoscience...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091384
... compensation imaging geologist geological subdiscipline time migration media operator tti media propagation least-square reverse time migration petroleum geology economic geology wavefield wave equation anisotropy applied geoscience & energy 10 wave propagation Least-squares reverse time...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091840
.... To reduce potential bias from the operator, the label data used in training was based on an average of several ant-tracking attempts, each using varied parameters and operators. We also assessed the performance of three different loss functions (mean absolute error, mean squared error, root mean squared...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093210
... as the Fourier Integral (FI) operator, ensures accuracy up to 90-degree propagation angles. Leveraging the FI operator, we construct the multi-layer wavefield extrapolation matrix (MLWEM), which forms the basis for wave equation-based common offset migration. reservoir characterization mlwem...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093272
.... The proposed local Radon transform enables processing data composed of a superposition of complex waveforms with spatially variant dips. radon transform offset geology geologist reservoir characterization algorithm exploration geophysicist data quality operator integration path local radon...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093301
... ravasi artificial intelligence geologist reservoir characterization operator blended data algorithm noise exploration geophysicist king abdullah university applied geoscience & energy 10 american association objective function proximal operator deblending Seismic deblending...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093717
...-based and/or data-driven regularization techniques to the inversion step. Results on the Volve field dataset suggest the value of the proposed enhancements. geology inversion petrophysical parameter operator reservoir characterization pnp regularization applied geoscience & energy 10...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094168
... property spectrum applied geoscience & energy 10 american association geology relative inversion operator lfc geologist geological subdiscipline impedance exploration geophysicist correlation sharp reflection ltd workflow sharp reflection inc Relative inversion for extended elastic...
Proceedings Papers
Yue Wang, Yang Luo, Peng Shen, Jingru Chen, Guangchi Xing, Ao Cai, Mark Fan, Guojian Shan, Lin Zhang, Xiaoting Lou, Zhengyun Zhou
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4098684
... subsurface migration angle gather operator propagation Prestack true-amplitude angle-domain viscoelastic least squares reverse time migration Yue Wang*, Yang Luo, Peng Shen, Jingru Chen, Guangchi Xing, Ao Cai, Mark Fan, Guojian Shan, Lin Zhang, Xiaoting Lou, Zhengyun Zhou, Chevron USA. Summary We...
Proceedings Papers
Guojian Shan, Jingru Chen, Zhemin Tan, John Chen, Yue Wang, Xiaoting Lou, Jennifer Zhang, William Lester
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4098929
... model velocity analysis inversion applied geoscience & energy 10 american association expanded abstract operator Extended full waveform inversion to improve the subsalt imaging in GOM Guojian Shan*, Jingru Chen, Zhemin Tan, John Chen, Yue Wang, Xiaoting Lou, Jennifer Zhang, William Lester...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099135
... The task-specific nature of machine-learned operators limits the applications of machine-learning algorithms. Because of the statistical differences between the camera images and seismic data, applying natural-images-learned feedforward denoising convolutional neural networks (DnCNN) operator...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099672
... Texas State presents a unique environment for geothermal energy development due to the prevalence of moderate temperatures, deep sedimentary basins, pre-built infrastructure associated with legacy and ongoing oil and gas operations and knowledge of existing reservoirs. Subsurface bottom-hole...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100289
... geoscience & energy 10 operator physics-informed neural network velocity model latexit sha1 wavefield waveform inversion latentpinn model neural operator Full waveform inversion using velocity-encoded physics-informed neural networks Mohammad Taufik*, Xinquan Huang, and Tariq Alkhalifah, King...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099762
... and impedance models. We pose and solve this problem in the frequency domain using one-way wave extrapolation operators. Extended slowness model allows for wavefields to be phaseshifted (equivalently, time-shifted) leading to non-physical wave propagation and forward scattering. Frequency-extended impedance...
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