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The AAPG/Datapages Combined Publications Database
Showing 773 Results. Searched 200,691 documents.
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... 2 2 2 where a1 sec2 2 , a2 4 sin 2 , a3 2 2 sin 2 tan 2 2 . R pp ( ) Based on the Robinson convolution model...
2023
AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy
Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... by equations: e sin ν e 2 e sin 4 ν . (20) e sin 2 ν e sin 4 ν Similarly, by employing the convolution model and Eq. (11a), we establish...
2023
A graph-space optimal transport FWI approach based on κ-generalized Gaussian distribution
Sérgio Luiz E. F. da Silva, Giorgio Kaniadakis
International Meeting for Applied Geoscience and Energy (IMAGE)
... misfits have been proposed, such as (de)convolution-based objective functions (Luo and Sava, 2011), extended-domain FWI frameworks (van Leeuwen...
2023
Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation
Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... by convolution between the source wavelet with the Green's function. It can be found that the numerical result agrees almost perfectly with its analytical...
2024
A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss
Siyu Sun, Guosong Tang, Wei Bao, Guofa Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... upsampling using a decoding module, followed by upsampling of the obtained feature map with Pixelshuffle. Finally, a 1x1 convolution and sigmoid function...
2024
A Pressure Transient Technique for Monitoring Waterfloods
Jeff Spath
Indonesian Petroleum Association
... Wells: Constant Rate Solutions and Convolution", SDR Research Note, March 1989. Rengarajan, S.R. and Lewis, J.E.: "Mathieu Functions of Integral Orders...
2000
Joint inversion of multi-height gravity and vertical gradient via physics-informed neural network
Yinshuo Li, Wenkai Lu, Cao Song
International Meeting for Applied Geoscience and Energy (IMAGE)
...]. The inversion model is based on convolutional layers. Since the 3D convolution neural network is computationally heavy, this abstract proposed to reduce...
2024
Overly steep decays in airborne TEM data and their link to chargeability: example from the Howards East District, NT, Australia
Klara Steklova, Ken Lawrie, Esben Auken, Anders V. Christiansen, Gianluca Fiandaca
Petroleum Exploration Society of Australia (PESA)
... domain. For example, in Marchant et al. (2014) 3D forward modelling is done using a numerical approximation for convolution of Ohm’s law. In Bellivau...
2019
Multi-conditional seismic velocity synthesis using an autoregressive transformer network
Randy Harsuko, Shijun Cheng, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...-layer encoder-decoder with an embedding vector as a bottleneck. Each layer uses a 2D convolution with a kernel size of 4, a stride of 2, and a channel...
2024
Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data
Ning Wang, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
...i-dimensional convolution operators with the input data decomposed into its down-going component at the receiverside and down/up-going component...
2024
3D pre-trained transformers for seismic fault detection, image denoising and dense horizon interpretation
Enning Wang, Peter Lovely, Lachlan Wright, Sarah Vitel, Anusha Sekar, Maisha Amaru
International Meeting for Applied Geoscience and Energy (IMAGE)
...., Schroff, and H., Adam, 2018, Encoder-decoder with atrous separable convolution for semantic image segmentation: Proc. Eur. Conf. Comput. Vis., pp. 801–818...
2024
A novel viscous pure-acoustic wave equation and its numerical implementation in 3D TTI media
Long Wu, Yixian Xu, Shigang Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... (t ) is the Heaviside function, the symbol * is the convolution operator. 1 is an intermediate variable. is the strain (14) Based...
2024
Automated velocity modeling with domain transformations
Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
...) ● The receivers must always have the same spacing (so that a convolution of neighboring pixels always means the same thing) ● The combination...
2024
PS reflection-based full-waveform inversion using single-mode propagator
Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith
International Meeting for Applied Geoscience and Energy (IMAGE)
...ion, rotation to radial component, radial down de-convolution and residual demultiple. The first approach, referred to as PS-FWI, emphasizes sensitiv...
2024
3D Radon transformation with axis dependent curvature
Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck
International Meeting for Applied Geoscience and Energy (IMAGE)
... method for parabolic Radon where they used conjugate gradient method and circular convolution in the Fourier domain...
2024
Berwick Field: The Geologic Half of the Seismic Stratigraphic Story in the Lower Tuscaloosa Mississippi
Robert K. Garrison , Robert Chancellor
GCAGS Transactions
... processes include spectral whitening to increase the bandwidth and therefore the resolution of the data, surface consistent de-convolution, surface...
1991
Two Stochastic Models Useful in Petroleum Exploration: Economics of Petroleum Exploration and Production in the Arctic
Gordon M. Kaufman , Paul G. Bradley
AAPG Special Volumes
... is (defining u0 = 0 and s0 = 0) L(N, RM, , SN|H
1973
Morphology, Structure, and Evolution of a Channel Island in the Barakar River, Barakar, West Bengal
Swapan Kumar Sarkar, Sudhir Basumallick
Journal of Sedimentary Research (SEPM)
.... The convolution is restricted to one single layer, occasionally underlain and overlain by horizontally stratified layers. Injected structure...
1968
Turbidite Origin of Glaciolacustrine Sediments, Woodcock Lake, Pennsylvania
Samuel S. Harrison
Journal of Sedimentary Research (SEPM)
... and laminated silt-clay sediments in ancient Woodcock Lake. End_Page 743------------------------ The turbidity currents in some cases caused convolution...
1975
Slope Mapping
W. E. Dole, N. F. Jordan
AAPG Bulletin
... into a single convolution operation which is applied in both the X and Y directions. The usual compromise between the ideal filter and the practical...
1978
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... one by one by using a convolution of several two-point prediction-error filters: (7) F(Z) = (1- Z / Z1 ) (1- Z / Z2 ) (1- Z / Zn ) =1+ a1Z + a2 Z 2...
2014
Abstract: Maximum Entropy Acquisition Design and Optimal Interpolation; #90187 (2014)
Mauricio D. Sacchi, Mafijul Islam Bhuiyan, and Nasser Kazemi
Search and Discovery.com
... ⊗ is the symbol for discrete convolution and S(kx , ky ) is the sampling function. Naghizadeh and Sacchi (2010) has demonstrated that the recovery of d(n, m) from d...
2014
Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)
Keith Wilkinson, Richard Bale, and Ken Gray
Search and Discovery.com
.... The actual combination of ray-paths is performed through a crossconvolution of the data with a primary-only wavefield estimate, since convolution corresponds...
2015
A Reservoir Characterization Case Study Based on the Structural and Depositional Isochronous Framework; #41187 (2013)
Ling Yun, Xiangyu Guo, Qianggong Song, and Hai Xu
Search and Discovery.com
... statistical wavelet de-convolution, and the processing QC technologies (Ling Yun, Gao Jun etc., 2002, 2004). Shown in Figure 9 are the QC plots...
2013
Coherence Attribute Applications on Seismic Data in Various Guises, #42273 (2018).
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... with the input seismic trace about each sample to form v(t,f) and vH(t,f). The convolution with the real wavelets provides the voices, v(t,f). The spectral...
2018