Abstract: Short-time Wavelet Estimation in the Homomorphic Domain; #90174 (2014)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

... by an inverse Fourier transform. In addition, no assumption regarding the phase of the wavelet is made, nor is the reflectivity assumed white. Despite its...

Antialiasing 5D Interpolation; #41497 (2014)

Stephen K. Chiu

Search and Discovery.com

... transpose of x, F is a multi-dimensional forward Fourier transform, F-1 is a multi-dimensional inverse Fourier transform, and x’ is a least-squares solution...

Abstract: Rank-Reduction-Based Trace Interpolation; #90172 (2014)

Stewart Trickett, Lynn Burroughs, Andrew Milton, Larry Walton, Rob Dack

Search and Discovery.com

... Interpolation (Liu, 2004; Liu and Sacchi, 2004; Trad 2009) POCS Projection Onto Convex Sets (Abma and Kabir, 2006) ALFT Anti-Leakage Fourier Transform (Xu...

Abstract: A Field Experiment Recording Low Seismic Frequencies; #90174 (2014)

G. F. Margrave, M. B. Bertram, K. L. Bertram, K. W. Hall, K. A. H. Innanen, D. C. Lawton, L. E. Mewhort, and T. M. Phillips

Search and Discovery.com

... is becoming increasingly unsatisfactory. In truth, a 10 Hz geophone records data well below 10 Hz but its recovery requires applying an inverse...

Abstract: Interpolation by Angular Deconvolved prior MWNI (AdMWNI); #90224 (2015)

Mark Ng and Dan Negut

Search and Discovery.com

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

Innovations in Borehole Microresistivity Image Data Analysis, #41488 (2014).

Peter A. Elkington, Said Assous, James A. Whetton, David Hu

Search and Discovery.com

... Component Analysis (MCA) MCA – Conceptual Overview (1 of 2) A 1 1 0.9 Fourier Transform 0 Analysis -0.5 -1 0.8 0.7 Magnitude 0.5 B 0.6 0.5...

A Semi-Analytical Poroelastic Solution of Induced Pressure-Stress Changes and Its Applications to Depletion Delineation of Transversely Isotropic Shale Reservoirs

Shihao Wang, Yuzhe Cai, Bin Wang, Yunhui Tan, Kainan Wang, Jiehao Wang, Xinghui Liu, Yuguang Chen

Unconventional Resources Technology Conference (URTEC)

...n. By solving the ë û linear system as X = A-1 × R to get the projected displacement vector in the Fourier domain. We then apply inverse Fourier transfor...

When the Syn-Depositional Climatic Variations Influence My Source Rock Properties … The Case Study of the Vaca Muerta, #51523 (2018).

Alain Lejay, Johannes Monkenbusch, Lionel Martinez, Gregory N. Boitnott, Laurent Louis, François Gelin

Search and Discovery.com

... these previous acquisitions, automated micro-XRF spectrometer and Automated Fourier Transform Infra-Red spectroscopy (FTIR) were tested on portions...

AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 2: Modeling Thermal Histories: How Important Are Thermal Conductivity Data?

Gallagher, K.

AAPG Special Volumes

..., and an inverse thermal history modeling approach is combined with Monte Carlo sampling to assess the thermal history uncertainties in a real-data...

3D Radon transformation with axis dependent curvature

Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck

International Meeting for Applied Geoscience and Energy (IMAGE)

... for derivation purpose. The transformation operator L is then written as: 𝐿 = 𝑒 −𝑖𝜔(𝑝 𝑥 𝑥 𝛼 +𝑝 𝑦 𝑦 𝛽) . Unlike the Fourier transform...

Analysis of rank-reduction methods for filtering and interpolation

Rafael Manenti, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and their applications in Fourier transform ion cyclotron resonance mass spectrometry: Proceedings of the National Academy of Sciences, 111, 1385–1390, doi: https...

Fast self-supervised learning for reconstruction of 3D seismic data

Yinshuo Li, Wenkai Lu, We Cao

International Meeting for Applied Geoscience and Energy (IMAGE)

... activate function, and inverse of real fast Fourier transform. The blue modules in the figure are stackable. Given that the obtained seismic data D...

Multipole borehole acoustics in the presence of an constraints elastic tool

Tim Geerits, Stefan Schimschal, Anna Swiatek

International Meeting for Applied Geoscience and Energy (IMAGE)

... transform the borehole fluid wavefield back to the  r ',  ', kz , s  domain using the inverse Fourier transformation, i.e., back from m...

Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators

Ziyi Yin, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

...Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators Ziyi Yin, Ali Siahkoohi, Mathias...

Abstract: A Nuclear Norm Minimization Algorithm with Application to Five Dimensional (5D) Seismic Data Recovery; #90187 (2014)

N. Kreimer, A. Stanton, and M. D. Sacchi

Search and Discovery.com

... to the representation of the signal. Techniques under this category often adopt Fourier basis and seek an expansion in terms of a sparse collection of coef...

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...

Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography

Jeremy R. Patterson, Michael Cardiff

International Meeting for Applied Geoscience and Energy (IMAGE)

... by Fourier coefficients. As an example, consider a confined 2D aquifer. In the frequency domain, the groundwater flow equation becomes: The use of near...

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... frequency, F is the 2D Fourier transform over the lateral spatial coordinates, F−1 is its inverse, ψsource is a mathematical model of the source, and iz k 2...

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...

Seismic noise attenuation via learned and analytical basis functions

Yi Guo, Rongzhi Lin, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... be any conventional transform, like a local Fourier basis, wavelets, or curvelets. Because the global basis is trained from the filtered data, it cannot...

Interpolating High-Resolution Well Log Volume Using Seismic Dip Vectors and Control Grids

Yingwei Yu

Unconventional Resources Technology Conference (URTEC)

... w can be in By inverse Fourier transform, we convert...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... depth steps unless a post-image interpolation (i.e., up-sampling) is applied to the depth output. But in this paper, inverse temporal Fourier...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... depth steps unless a post-image interpolation (i.e., up-sampling) is applied to the depth output. But in this paper, inverse temporal Fourier...

Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)

Todor I. Todorov and Gary F. Margrave

Search and Discovery.com

... of the spectrum with a Gaussian window centered at the frequency  inverse Fourier transform to get the frequency slice Noise attenuation The local linear...

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... a synthetic data example in which the input data have been regularly decimated. We find several advantages to our approach when compared with Fourier...