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The AAPG/Datapages Combined Publications Database

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

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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 l2Šl1 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

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