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The AAPG/Datapages Combined Publications Database
Showing 5,188 Results. Searched 200,357 documents.
Abstract: Transform Faults Revisited: Implications for Deep Water Exploration, by James S. Jackson; #90914(2000)
Search and Discovery.com
2000
Source location using physics-informed neural networks with hard constraints
Xinquan Huang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... allows for direct image extraction of the subsurface using inverse Fourier transform. Numerical tests on the Overthrust model demonstrate...
2022
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... do is to find the effective wavelet, either by dividing the Fourier transform of x by the Fourier transform of r in frequency domain or by equivalent...
1980
Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers
Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu
International Meeting for Applied Geoscience and Energy (IMAGE)
...Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel...
2022
Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin
Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto
Indonesian Petroleum Association
... the overall frequency content of seismic data to be variant with time. Hence, according to Chui, (1992). The Windowed Short Time Fourier Transform...
2018
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
A successful story of working with towed streamer and ocean-bottom node data on interpolation and image enhancement
Heather Yao, Amr Elsabaa, Nathaniel Cockrell, Dawit Desta, Ruoyu Gu, Christina Tapia, Nigel Hicks, Lauren Peschier
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain beyondaliasing data reconstruction method, which works by estimating a Fourier spectrum of the input data, followed by an inverse Fourier...
2024
Seismic data reconstruction using denoising convolutional neural network combined with regularization by denoising
Nanying Lan, Kaiheng Sang, Fanchang Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and Fanchang Zhang, China University of Petroleum (East china) Summary Seismic data reconstruction (SDR) is a highly ill-posed inverse problem...
2022
Abstract: On Choosing Differential Operators; #90171 (2013)
John C. Bancroft
Search and Discovery.com
... 15 20 25 N Figure 2 Inverse Fourier transform of the derivative using the tapered frequency, Nfft = 1024, taper starting at 80% of the Nyquist...
2013
Abstract: On Choosing Differential Operators; #90171 (2013)
John C. Bancroft
Search and Discovery.com
... 15 20 25 N Figure 2 Inverse Fourier transform of the derivative using the tapered frequency, Nfft = 1024, taper starting at 80% of the Nyquist...
2013
Abstract: 5D Interpolation of Seismic Data with Combination of MWNI and POCs Algorithm; #90187 (2014)
Jianhua Pan, Gerry Schlosser, Elvis Floreani, and Robert Tilson
Search and Discovery.com
..., an inverse Fourier transformation of the results of the data with the threshold applied, and finally the reinsertion of the values of the original...
2014
Seismic Attenuation Analysis for Reservoir Description
Search and Discovery.com
... wavelet transform or the short window Fourier transform. 3. compute instantaneous amplitude envelope using Hilbert transform to get a smooth amplitude...
2013
The deblending processing of multi-well 3D DAS-VSP data in the Middle East
Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... sources data; Abba et al. (2008) obtained highquality separation results using POCS algorithm in Fourier transform domain; Lin et al. (2009) proposed...
2023
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
... can be weighted differently. INPUT TRACE S(t) Take Fourier transform of trace S(f) Calculate Weighting function W(f) Weighting function W(f) X...
1988
VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis
Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
..., signal decomposition shows people more hidden information in the data than superficially. As the most classic spectral analysis tool, Fourier transform...
2016
A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition
Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... include FK filtering, radon transform and median filtering. The presence of noise impedes effective separation of these methods and affects the fidelity...
2024
Multi-Resolution Grid Connectivity-Based Transform for Efficient History Matching of Unconventional Reservoirs
Hyunmin Kim, Feyi Olalotiti-Lawal, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... transform parameters and result in minimum mean square error for the low rank approximation. Similar to the model segmentation, underdetermined inverse...
2019
Optimized downward continuation for the one-way wave equation in TTI media
Cosmin Macesanu, Faqi Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the (complex) exponential of the phase shift by a fraction: 1 + i∆φ /2 ei∆φ ≃ . (5) 1 − i∆φ /2 3. Inverse Fourier transform the k j terms, which become...
2022
Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)
Heather J. E. Lloyd and Gary F. Margrave
Search and Discovery.com
... the low-frequency cut-off, , and is selected by the user. Inverse Fourier Transform the result in (7). Add the linear trend that was removed in (1...
2014
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., respectively, and F denotes the four-dimensional Fourier transform over x g and x s. The operators u p ( k ) and us( k ) are, respectively...
2013
Deep-Water Depositional Facies and Reservoir Quality Evaluation Based on Fourier Analysis of Gamma-Ray Logs
Fillon, Richard H., Lawless, Paul N.
GCAGS Transactions
... Fourier transform, the simpler fast Fourier transform (FFT) algorithm and wavelet analysis (WA), has effectively demonstrated cyclicity in well log proxy...
2002
Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation
Jon D. Pelletier, Donald L. Turcotte
Journal of Sedimentary Research (SEPM)
... coefficients correspond to long wavelengths and small wave numbers. (4) An inverse discrete Fourier transform is taken of the filtered Fourier...
1997
Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)
Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles
Search and Discovery.com
..., where is the angular frequency and is a decay constant. The Fourier transform may then be replaced by (1) 2 AAPG...
2014
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
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