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Keywords: physics
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583272
... estimations, exploit the image segmentation capability of DL techniques, and guarantee compliance with the requirement of physics for the wave propagation. The domains of physics driven (Phy) optimization, based on data misfit functionals, and of DL optimization, based on model misfit (loss), are coupled...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594472
... and that in the case of instantaneous time-mirror in physical experiment. Finally, we rederive the GLM (Gel’fand-Levitan-Marchenko) equation from the concept of dual solution to understand the theory from different perspective. time-boundary reflection transmission applied geoscience incidence layered media...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428418
... the space discretization using the uniformly accurate Mimetic difference operators with a high-order discrete time scheme based upon symplectic considerations. This approach allows us to keep faithfulness to the physics and subsequent numerical advantages under control, as mimetic fully discrete Hamiltonian...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215071
... Network (CNN) to solve the inverse problem, where the network training has been driven by actual physics of the problem instead of just providing data and labeled output set-pairs. There are mainly two critical aspects of the network which has been modified from the mainstream usage of CNN...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998599
... important, we are after all dealing with an imaging problem involving an unknown earth and not completely understood physics. When the imaging step itself is not handled properly, this may possibly offset gains offered by deep learning. Motivated by our work on deep convolutional neural networks in seismic...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2985365
... ABSTRACT We present a workflow for solution of upscaling problem of elastic properties of hydrocarbon reservoir rocks going from a finest scale on which hydrocarbon starts to move (nano- or micrometers – depending on the rock type) to the seismic scale. This approach is based on Rock Physics...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998543
... ABSTRACT We use a workflow that combines various sources of information, such as mud weights, well logs, basin history, and diagenesis, to model pore pressure-velocity relationship based on rock physics principles. This produces velocity templates, which can be used to build velocity models...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998182
... of connected porosity and tests theories that have been proposed to link physical properties of reservoir rocks to their internal geometry. Presentation Date: Tuesday, October 16, 2018 Start Time: 9:20:00 AM Location: Poster Station 19 Presentation Type: Poster seg international exposition geometry...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13847188
... ABSTRACT The need to better represent the material properties within the earth's interior has driven the development of higher-fidelity physics, e.g., visco-tilted-transversely-isotropic (visco-TTI) elastic media and material interfaces, such as the ocean bottom and salt boundaries...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0403
... characterization lattice spring model different frequency numerical simulation lsm linear spring pazdniakou physics seg denver 2014 Numerical simulation of P-waves for different frequencies with Lattice Spring Models Muming Xia*, Hui Zhou, Qingqing Li, Jiang Yuan, Anxin Zuo, Shan Qu, State Key...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-1100
... physics and AVO to thoroughly analyze the reservoirs in the study area. Based on the analysis, pre-stack inversion is used to characterize the reservoirs and identify the fluid. The results of our analysis demonstrate that density is a good attribute to detect zones of interest in our study area...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0140
... Summary Physical laboratory-based seismic modelling allows wave propagation to be studied in realistic media which may be beyond current computer modeling capability. A wave propagation laboratory is presented which fully links a physical wave propagation experiment to a numerical simulation...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-1227
... need to be understood in order to effectively model the process. At the macro-scale, there exists a good understanding of hydraulic fracturing but the physics behind the micro-scale phenomena is still not well understood. A laboratory approach to investigate hydraulic fracturing provides better control...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1410
... main menu interpolation interpolation scheme physically consistent interpolation potential field reference list noise reduction satisfy laplace bailey inverse problem laplace interpolation method dataset physics equation interpolation university dp dq Physically Consistent...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-2200
... upstream oil & gas sain simulation stanford university experiment agnolin reservoir geomechanics reference state compaction physics fabric tensor heterogeneity moduli granular media 1 Role of micro-heterogeneities on fabric, stress, and elastic anisotropy in granular media Ratnanabha...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-2886
... ABSTRACT Rock physics establishes the link between reservoir properties, such as porosity, lithology, fluid type and the seismic response. It is a tool by which a range of subsurface scenarios can be built to estimate the seismic response beyond what is observed at the well location...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-0177
...: developing the ability to build a meaningful model; defining the magnitude of the finitedifference calculation; gaining access to a code to calculate data with the appropriate physics; and gaining access to computers to generate synthetic data. I show a process that allows model frameworks to be built...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-1975
...) . In practice, good waveform inversion results rely on several important factors. One of the most important factors is the ability of the inversion engine to generate wave phenomena that exist in the recorded data. Ideally, we would like to include and invert all the physical parameters in the inversion...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-2724
... geophysics -- and beyond -- that others hadn''t noticed or might have been perplexed by, and soon applied his keen understanding of and insight into physics toward devising possible solutions. Problems, scientific and otherwise, that might not even catch someone else''s attention as possibly benefiting from...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1167
... field measurement fluctuation geomagnetic data physics deviation earthquake geophysical research letter japan molchanov artificial intelligence time series us government hattori ultra low frequency low frequency geomagnetic data kopytenko hayakawa reservoir characterization correlation...

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