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The AAPG/Datapages Combined Publications Database

Showing 5,188 Results. Searched 200,357 documents.

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Poisson binomial-based random undersampling scheme for near-surface compressive sensing

Sayan Mukherjee, Yunyue Elita

International Meeting for Applied Geoscience and Energy (IMAGE)

... reconstruction. Fourier transform (Abma and Kabir, 2006; Zwartjes and Sacchi, 2007), Radon transform (Trad et al., 2003), curvelet transform (Cand...

2022

Application of seismic spectral blueing based on generalized S-transform in high-quality reservoir prediction in gas cloud area

Pengzhi Zhang, Lei Liu, Zhiheng Jiang, Zhenglong Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to determine mean value of seismic amplitude logarithmic spectrum. Finally, the time domain operator is obtained by the inverse Fourier transform...

2022

Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia

Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott

Indonesian Petroleum Association

...; once forward in space and once backwards. The two predictions are summed, the inverse Fourier transforms applied, and the windows merged back...

2015

Abstract: Blind Surface Consistent Wavelet Estimation; #90187 (2014)

E. Bongajum, N. Kazemi, and M. D. Sacchi

Search and Discovery.com

... (Levin, 1989; Cambois and Stoffa, 1992). SCD can be performed in the log/fourier domain (Taner and Koehler, 1981; Morley and Claerbout, 1983; Cambois...

2014

Merging Surveys with Multidimensional Interpolation; #41552 (2015)

Daniel Trad, Matt Hall, Milka Cotra

Search and Discovery.com

..., we use a five-dimensional interpolator based on Fourier reconstruction. The method consists of solving an inverse problem where the unknown...

2015

Improved synchrosqueezing matching pursuit incorporating w-transform

Chaohe Wang, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... characterization. Typical time-frequency analysis methods comprise the short-time Fourier transform (STFT), the continuous wavelet transform (CWT), the S-transform...

2024

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

Abstract: Data Interpolation by Angular Weighted MWNI; #90187 (2014)

Mark Ng and Dan Negut

Search and Discovery.com

...), where ukx is the spatial transform model in kx , T the sampling diagonal only matrix, F’ the inverse spatial Fourier transform operator, F the forward...

2014

Velocity estimation via model order reduction

Alexander V. Mamonov, Liliana Borcea, Josselin Garnier, Jrn Zimmerling

International Meeting for Applied Geoscience and Energy (IMAGE)

... f (t) to be an even function, with a nonnegative Fourier transform f (ω) ≥ 0 that is analytic. The inverse problem is to estimate the velocity c(x...

2022

Seismic sparse time-frequency representation via GAN-based unsupervised learning

Youbo Lei, Yang Yang, Naihao Liu, Shengtao Wei, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to verify its effectiveness and compare it with STFT and sparse STFT. SPARSE SHORT-TIME FOURIER TRANSFORM STFT is an effective tool to transform 1D seismic...

2022

Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP

Mohammad Risyad

Indonesian Petroleum Association

... stations and extract time series data of their respective depths, time-to-frequency conversion is performed using Fast Fourier Transform (FFT...

2018

Physics-based preconditioned multidimensional deconvolution in the time domain

David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

... the form of W = F−1 WF, where F and F−1 are forward and inverse Fourier transforms. To better constrain the inversion, preconditioners can be chained...

2022

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... to regularization constraints. The least squares inversion constrained by Tikhonov regularization can stably solve the inverse of Radon transform...

2024

Data-driven near-surface Q compensation: A case study in Sichuan Basin of China

Xinyuan Feng, Yulian Zhao, Mingtu Xiao

International Meeting for Applied Geoscience and Energy (IMAGE)

... Data-driven Near-surface Q Compensation and Its Application The amplitude spectrum is obtained by Fourier transform of the sampled signal data...

2024

Thermal Effects of Rapid Sedimentation and Uplift on the Maturation of Hydrocarbons in the Bighorn Basin, Wyoming

Henry P. Heasler, Nick Visser, Natalya A. Kharitonova, Ronald C. Surdam

Wyoming Geological Association

...., Rocky Mountain foreland basins and uplifts: Denver, Rocky Mountain Association of Geologists, pp. 9-32. Hagen, E.S., 1986, Hydrocarbon maturation...

1996

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

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... filtering by Fourier transform: Geophysics 56, 519-527. Figure 1 - Common Mid-Point gathers preconditioned for further testing. Figure 2 - Common Mid...

2008

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

..., the hat (^) over a variable indicates its temporal Fourier transform, ˆ ˆ  s  x, z ,   is a model of the source wavefield for source s propagated...

2015

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

Large-scale Marchenko imaging with distance-aware matrix reordering, tile low-rank compression, and mixed-precision computations

Matteo Ravasi, Yuxi Hong, Hatem Ltaief, David Keyes, David Vargas

International Meeting for Applied Geoscience and Energy (IMAGE)

... mentioned problems, this can be expressed as ˆ W = FH WF (1) where F and FH are the forward and inverse Fast Fourier Transˆ forms (FFTs), and W is a block...

2022

A method for surface wave suppression based on multimodal constraints neural networks

Yixuan Yan, Mengxiu Wang, Dong Cui, Chunming Wang, Sian Hou

International Meeting for Applied Geoscience and Energy (IMAGE)

... a surface wave suppression technique based on the Deep Residual Fourier Neural Operator (DRFNO). The approach integrates multimodal constraints...

2024

Accelerometer vs. Geophone Response: A Field Case History

Search and Discovery.com

... to determine the ground acceleration from the geophone data. Taking the Fourier transform of the simple harmonic oscillator equation allows us...

2013

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

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