CO2-Fracturing Fluid Driven Geochemical Alterations at the Shale Matrix-Fracture Interface

Sean Sanguinito, Patricia Cvetic, Barbara Kutchko, Sittichai Natesakhawat, Angela Goodman

Unconventional Resources Technology Conference (URTEC)

... understanding of the reactions that will occur between CO2, shale, and water/fracturing fluid, we use in situ Fourier Transform infrared spectroscopy, (FTIR...

Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

...Automated velocity model building using Fourier neural operators Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui...

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... angles. A Fast Fourier Transform (FFT) preceded by a Gabor Transform (Gabor, D., Theory of Communications) for resolution enhancement was used...

Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization

J. J. Gao, X. Wang, Y. H. Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... data denoising method by conducting a 3D shearlet transform approach. Brox and Sacchi (2022) introduced robust vector The quaternion is an extension...

Understanding the causes of low frequency shadow below gas hydrates

Ayman Noor M. Qadrouh, Saad Alajmi

Petroleum Exploration Society of Australia (PESA)

... by using a direct method based on the Fourier pseudospectral method. A 1D model the LFS below the BSR is analysed, i.e. the waveform and spectrum...

Self-parametrizing seismic data processing modules: An example on coherent noise suppression

Simone Re, Ran Bachrach, Massimo Clementi, Collin Wilson

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The instantaneous frequency can be obtained, for instance, with short-time Fourier transforms (Stockwell et al., 1996, Wang and Orchard, 2009...

Abstract: Nonstationary Predictive Deconvolution; #90172 (2014)

Gary F. Margrave, Michael P. Lamoureux

Search and Discovery.com

... domain realized in the process of a Gabor transform after localizing a signal with a temporal window and before Fourier transformation. In our...

Grain-Shape Variation in the St. Peter Sandstone: A Record of Eolian and Fluvial Sedimentation of an Early Paleozoic Cratonic Sheet Sand

James M. Mazzullo, Robert Ehrlich

Journal of Sedimentary Research (SEPM)

... particle must be digitized at equal angular intervals relative to the centroid of the profile in order for the discrete closed-form Fourier transform...

Sparse time-frequency representation based on Unet with domain adaptation

Yuxin Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... SPARSE SHORT-TIME FOURIER TRANSFORM STFT is a widely used tool in seismic data processing, which is defined by N 2π f (n)g∗ (n − m)e− j N nk , ST FT...

Anti-aliasing seismic data interpolation by dip-informed self-supervised learning

Shirui Wang, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpolation in the Fourier transform domain: Geophysics, 68, 355–369, doi: https://doi.org/10.1190/1.1543221. Hu, Y., X. Wei, X. Wu, J. Sun, J. Chen, J. Chen...

Advanced Techniques to Increase Production From Horizontal Wells and Reservoirs

Tom Arnold, Li Gao, Yongchun Tang

Oklahoma City Geological Society

... has it taken 129 years to reach the same level? The first question is much easier to answer than the second! Fourier Transform Infrared Spectroscopy...

Sequential Stage Development of Crescentic Bars: Hahoterim Beach, Southeastern Mediterranean

Victor Goldsmith, Dan Bowman, Kevin Kiley

Journal of Sedimentary Research (SEPM)

... was computed for each digitized wave record, twice a day for one year, using a Fast Fourier Transform algorithm described in Clairbout (1976...

Variations in Water Content in Opal-A and Opal-CT from Geyser Discharge Aprons

Rachel Day, Brian Jones

Journal of Sedimentary Research (SEPM)

... with this diagenetic transition. Electron microprobe (EMP) and micro–Fourier transform infrared (FTIR) analyses of opal-A and opal-CT collected from geyser discharge...

Integrated reservoir characterization of enhanced oil recovery targets in mature basins: An example from the Tar Springs Formation, Rock Hill field, Illinois Basin, United States

Timothy C. Henderson, Kenneth D. Ridgway, Cliff T. Johnston, and Thomas A. Everett

AAPG Bulletin

... diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis, evolved gas analysis, and scanning electron microscopy, this paper...

CSPG/CSEG/CWLS GeoConvention 2011; - Abstracts, #90173 (2015).

Search and Discovery.com

Antarctic Sediment Drifts and Plio-Pleistocene Orbital Periodicities (Odp Sites 1095, 1096, and 1101)

Marina Iorio, Thomas Wolf-Welling, Tobias Moerz

Special Publications of SEPM

... stratigraphic data sets, rebinding the unevenly sampled data to equally spaced bins and calculating FAST FOURIER TRANSFORM ANALYSIS them by means...

Scanning Electron Micrographs of Quartz Sand Grains from Cold Environments Examined Using Fourier Shape Analysis

Julian A. Dowdeswell

Journal of Sedimentary Research (SEPM)

...Scanning Electron Micrographs of Quartz Sand Grains from Cold Environments Examined Using Fourier Shape Analysis Julian A. Dowdeswell 1982 Vol. 52...

ABSTRACT: Application of True-Azimuth 3-D SRME to Onshore Data — A Case Study, by van Borselen, Roald; Barnes, Simon; Salazar, Humberto; Vázquez, Alfredo; Rubén Ronzón, Israel; #90141 (2012)

Search and Discovery.com

First Breaks Picking: a Key Element to Improve Seismic Imaging through Full-Waveform Inversion on Land Data

Search and Discovery.com

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...

Comparison of Quantitative Mineral Analysis By X-Ray Diffraction and Fourier Transform Infrared Spectroscopy

Paul R. Craddock, Michael M. Herron, Susan L. Herron

Journal of Sedimentary Research (SEPM)

...Comparison of Quantitative Mineral Analysis By X-Ray Diffraction and Fourier Transform Infrared Spectroscopy Paul R. Craddock, Michael M. Herron...

PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... functions (Linear Fourier Features, modified Linear Fourier Features, Random Fourier Features, Gaussian Encoding) are compared to evaluate which one will bene...

Abstract: Characterizing Dipping Fractures from P-wave Amplitude Versus Azimuth Studies; #90187 (2014)

Jon Downton and Hampson Russell

Search and Discovery.com

... the azimuthal Fourier Coefficient (FC) approach of Downton et al. (2011) to model dipping asymmetric fractures obtaining a linearized expression...

Impact of Non-Linear Transport Properties on Low Permeability Measurements; #70299 (2017)

Yuan-Yun Lin, Michael T. Myers

Search and Discovery.com

... periodic function to be decomposed into a sum of simple sine waves. We make use of Fourier transform to quantify the magnitude of the nonlinear...

Fold Geometry Within Part of Michigan Basin, Michigan

E. H. Timothy Whitten , Walter A. Beckman, Jr.

AAPG Bulletin

... values. These descriptors are calculated for the folded bedding planes simulated by a double Fourier series surface-fitting technique. The Dundee...