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The AAPG/Datapages Combined Publications Database
Showing 5,188 Results. Searched 200,357 documents.
Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)
Mostafa Naghizadeh, Mauricio D. Sacchi
Search and Discovery.com
... to solve our reconstruction problem. The inverse curvelet transform (our synthesis operator) is represented as the adjoint of equation 1 (2) m CH c...
2014
Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)
Stewart Trickett, Lynn Burroughs, and Andrew Milton
Search and Discovery.com
... the Discrete Fourier Transform (DFT) of each trace. 2: For each frequency… 2.1: Insert the complex values for this frequency and all traces...
2014
Kronecker neural networks for the win: Overcoming spectral bias for PINN-based wavefield computation
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... by solving equation (1). The time-domain solution is then obtained using the inverse Fourier transform of the superposition of the single-frequency...
2022
Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)
Amr Ibrahim
Search and Discovery.com
... in combination of non-uniform Fourier transform to interpolate missing traces. Acknowledgements The author thanks Dr. Mauricio Sacchi and the sponsors...
2015
Measuring seasonal velocity variations on an urban DAS array
Jihyun Yang, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
...) = F −1 un (xA , ω)un (xB , ω) , where F −1 is the inverse Fourier transform operator, n is the event window index, N is the total number of event...
2022
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
.... The output waveform in the distance domain then can be obtained by using the inverse Fourier transform. In spite of the apparent simplicity of filtering...
1969
Abstracts: Footprint Removal with Co-ordinate Rotation; #90173 (2015)
Mark Ng and Ye Zheng
Search and Discovery.com
... of the fact that when a 2D spatial Fourier transform is applied to a time slice section with a footprint pattern that is aligned parallel to any binning co...
2015
Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
.... Ideally, the bandwidth is estimated by directly measuring the data spectrum using either Fourier transforms or spectral decomposition. In contrast, most...
2020
Inexact alternating direction method of multipliers (InADMM) for the acceleration of l2l1 inverse problems
Joaquín A. Acedo, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Walker, 1998, Interpolation and extrapolation using a high-resolution discrete Fourier transform: IEEE Transactions on Signal Processing, 46, 31–38...
2024
Tikhonov Linear Inversion of Gravity Data to Determine 3-D Differential Density Distribution - Case Study of Southeast New Mexico and West Texas
Darren Hart
West Texas Geological Society
... and adjoining Central Basin Platform region covering 31 - 34 degrees north latitude; -102 - -105 degrees east longitude. Tikhonov regularization inverse...
2000
Comparison of Bed Form Variance Spectra Within a Meander Bend During Flood and Average Discharge
Raymond A. Levey, Bjorn Kjerfve, Rufus T. Getzen
Journal of Sedimentary Research (SEPM)
...., KAENEL, R. A. LANG, W. W., MALING, G. C., JR., NELSON, D. E., RADERG, C. M, AND WELCH, P. D., 1967, What is the fast Fourier transform?: IEEE Trans. Audio...
1980
Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016)
Abdullah M. Alshangiti, Peter Pecholcs, Rienk Lakeman, Mohammad Bannagi
Search and Discovery.com
...Abstract: Improving Temporal Resolution of Land Seismic Data with a Stabilized Inverse Q-Filter; #90254 (2016) Abdullah M. Alshangiti, Peter Pecholcs...
2016
A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification
Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... computation of DCT can be achieved by fast Fourier transform (FFT) and multi-dimensional DCT can be easily implemented by applying 1D DCT in each dimension...
2024
Fracture Geometry Measurements by Analyzing Multiwell Communications
Sofya Sizova, Roman Korkin
Unconventional Resources Technology Conference (URTEC)
... at different velocities. This property should be considered when studying the offset pressure. Applying the Fourier transform to the pressure at the active...
2021
Interpolated fast and computational-efficient multidimensional singular spectrum analysis (I-FMSSA) for compressive simultaneous-source data processing
Rongzhi Lin, Yi Guo, Fernanda Carozzi, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiplication and ⇤ denotes convolution operation. F and F 1 represents fast Fourier transform and inverse fast Fourier transform, respectively. Therefore...
2022
Leveraging legacy data: An onshore reprocessing case study from eastern Australia
Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry
International Meeting for Applied Geoscience and Energy (IMAGE)
... the spectrum (Figure 4). The CACP flow includes Inverse-Q correction to account for absorption, robust surface-consistent deconvolution (Hootman, 2011...
2022
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... back to the time domain ④ by inverse Fourier transform. Non-flat event alignment technique: The event alignment methods commonly used are mainly...
2015
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, the inverse Fourier transform is used to restore the data to the time-space domain. EXAMPLES (g) (h) Figure 1: Denoising comparison...
2024
A practical approach to automate end-to-end multi-stage iterative source separation with prior framework using machine learning
Rajiv Kumar, Yousif Izzeldin Kamil Amin, Riccardo Giro, Sunil Manikani, Nam Pham, Massimiliano Vassallo, Phillip Bilsby, Tao Zhao
International Meeting for Applied Geoscience and Energy (IMAGE)
... relies on the fact that the seismic signal of interest exhibits higher coherency and is sparse in the transform domain, whereas the interference noise...
2024
Seismic signal considerations for fast reservoir characterization
Folkert Hindriks
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the integrated signal by computing the inverse Fourier transform (Brandt, A. and Brincker, R., 2014). 𝑓 ′ (𝑡) = 1 2...
2024
A fractal model for hydrocarbon resource assessment with an application to the natural gas play of volcanic reservoirs in Songliao Basin, China
Caineng Zou, Qiulin Guo, Jinghong Wang, Hongbing Xie
CSPG Bulletin
... developed on the basis of stochastic simulation technique with the Fourier transform power spectrum approach (Yao, 1998b). In this approach, power...
2012
Can tile low-rank compression live up to expectations? An application to 3D multidimensional deconvolution
Yuxi Hong, Matteo Ravasi, Hatem Ltaief, David Keyes
International Meeting for Applied Geoscience and Energy (IMAGE)
... Fourier where F and F significant computational challenges, mainly due to the need Transform applied along the time/frequency axes (implemented...
2023
Seismic Inversion Resolution Enhancement With (3S) Spectral Blueing, Spectral Balancing, and Stochastic Inversion on Fluvio Deltaic Environment
Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria
Indonesian Petroleum Association
... are shown in Figure 2b. The third step is to separate the frequency and then proceed to the Inverse Fourier Transform process, which converts the data...
2022
Seismic inversion with implicit neural representations
Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... quantitative information from seismic recordings, such as an acoustic impedance model, is however a highly illposed inverse problem due to the band-limited...
2024
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
... system. A commonly used characteristic system D*−1 is the cascade of Fourier transform, complex exponential and the inverse Fourier transform...
1988