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Keywords: grid
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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-2024-4093931
... grid geologist matrix geophysics equivalent storage technique reservoir characterization algorithm applied geoscience & energy 10 translation equivalence american association symmetry inversion parameter matrix magnetization exploration geophysicist Three-dimensional Ta Amplitude...
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-2024-4099054
... contrast media. We illustrate our findings with results from a super-long offset, sparse OBN survey from the Gulf of México, which highlight the benefits provided by using the full elastic equations versus the acoustic approximation. geologist seismic model grid applied geoscience & energy 10...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3912169
... workflow upstream oil & gas inversion reservoir characterization american association grid avo inversion close-the-loop workflow international woodside energy exploration geophysicist physic inversion society geologist reservoir simulation reservoir geomechanics saturation subsurface...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3899844
... applied geoscience acquisition application nyquist zhang geophysics sparse grid expanded abstract figure 3 geologist information grid exploration geophysicist isa figure 2 Ergodic sampling: A new data acquisition method to gather more information Mengli Zhang* and Yaoguo Li, Center...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3904950
... the seismic wave field more complex and distorting the waveform. In order to accurately simulate the wave field characteristics under irregular free surface, this paper develops a finite-difference forward simulation method for elastic waves based on a body-fitted grid. Furthermore, we fit the undulating...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3744488
... from an irregular-grid onto a regular grid. An interpolation operator is used to link irregular-grid acquisition with the regular-grid output. A fast and computational-efficient multidimensional singular spectrum analysis (FMSSA) is adopted as the projection operator to speed up the low-rank step...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751216
... and azimuth trends. Then, fracture intensity logs are created and utilized in the structural grid to populate different properties. Several fracture networks are then modelled using different inputs, including both forward modeling with faults as the main fracture drivers, and inverse modeling, with image log...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751585
... We present a new geostatistical methodology of building reservoir models using process-based models as training data. The reservoir models are built in the depositional time-domain (k-layer) which allows for the construction of non-Cartesian grids that can readily capture thin flow baffles...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3729385
... association expanded abstract upstream oil & gas reservoir characterization figure 2 acquisition information figure 3 exploration geophysicist nyquist budget applied geoscience grid srf society rose diagram figure 1 energy 10 Irregular acquisition design to maximize information: From...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3590233
... The work described here grew out of a need to compute a magnetic reduced to the pole grid over large areas of the world for purposes of geological interpretation. Formulas to do this are developed here and an example with results for real data is shown. structural geology applied...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3589149
...Forward modelling of direct-current resistivity data on unstructured grids using an adaptive mimetic nite-difference method Hormoz Jahandari , and Colin G. Farquharson, Memorial University of Newfoundland, and Peter Lelie`vre, Mount Allison University SUMMARY (Ren and Tang, 2010; Ren et al., 2018...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594936
..., with a rel- 500 m by 500 m regular spacing grid, while the shots were de- atively sparse OBN survey it is possible to leverage long-offset ned on a 50 m by 50 m shot carpet grid, yielding rich azimuth and rich azimuth information for velocity estimation result- data coverage with offsets as large as 27 km...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582729
... generated imaging methods based on grid search. data. Once trained, the network can be deployed to locate real events by feeding their observed P-wave arrival times as input. In any case, CNNs are quite demanding in terms of training The main challenge in the application of feed-forward neural time...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582731
...Steering on grid: an efficient way to reduce infill rate for towed streamers surveys Lucio Di Pietro* (Total SA) and Paul Endicott (Consultant, Oasis PEC Ltd) Summary It has always been obvious that implementing a method to control or at least attenuate as much as possible the dynamic The cost...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583265
... network (DNN) to overcome this situation. This DNN directly links the Wavefront attributes, such as local dips and curvatures of prestack seismic data with estimated attributes on a regular seismic events, are used in different seismic data processing grid. methods, from prestack data enhancement...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583399
... a mapping between these two and show how high quality seismic can be modeled from the uniform blocks of a reservoir model. The key steps are geometrically handling the different models and Fourier surface modeling of the resulting multi-scale grid. We demonstrate this approach on a complex reservoir/ geo...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581079
... a specific station pattern using a fraction of stations in a normally dense grid and show that we can obtain a data set comparable to that from a full regular grid. This new acquisition pattern coupled with post-acquisition reconstruction can lead to significant savings in both the acquisition cost and time...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428139
... Although geological models represent a simplified vision of the earth, their obtention arises from a complex process based on a few horizons and faults during the seismic interpretation phase. A novel method to generate meshless geologic model from a grid of horizons automatically picked...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428218
... Presentation Type: Poster upstream oil & gas fold map supershot gather reconstruction interpolation geometry shot domain grid artificial intelligence rtm image seg international exposition algorithm reservoir characterization regular grid exploration geophysicist 10 marine waz data...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425000
...Multichannel Singular Spectrum Analysis Denoising and Reconstruction for Irregular grid (I-MSSA) Fernanda Carozzi and Mauricio D. Sacchi, University of Alberta. SUMMARY data. We remind the reader that the MSSA reconstruction method is also called Cadzow reconstruction or Cadzow l- Multichannel...
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