Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

... Fourier transform and the Gabor transform. It also shares many properties with wavelet transforms. The main difference is that the wavelet transform works...

Measuring seasonal velocity variations on an urban DAS array

Jihyun Yang, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

.... INTRODUCTION Distributed acoustic sensing (DAS) transforms deployed optical fiber into a distributed seismic sensing network; in particular...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

...High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011) Sunjay Sunjay High...

Quartz Fabric in Shales: Quantification and Assessing its Influence on Geomechanical Properties

M. Rebecca Stokes, Andrew P. Rathbun, Paul C. Montgomery, Michael C. Cheshire, E. Russ Peacher

Unconventional Resources Technology Conference (URTEC)

... microscope (SEM) images and porosity data were acquired on a subset of samples. Geomechanical impulse hammer data were collected on slabbed core, providing...

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...

High-resolution angle gather tomography with Fourier neural operators

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

International Meeting for Applied Geoscience and Energy (IMAGE)

...High-resolution angle gather tomography with Fourier neural operators Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui High...

Comparison of EMD and S-Transform Spectral Decomposition for Characterizing Hydrocarbon Reservoir: Case Study of East Java Basin

Abdul Haris, A. M. Ustad, Didik Ardiyanto, Gadang G. Wihardy, Budiyono, Tri Bowo, Murti Widyawan

Indonesian Petroleum Association

...-frequency spectrum such as Short Time Fourier Transform (STFT), Continues Wavelet Transform (CWT) and Matching Pursuit Decomposition (MPD). However, all...

Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... impedance. If the wavelet w were a spike or delta function, then the recorded seismic data would be the impulse response of the earth plus noise and could...

Regularization by robust denoising for iterative simultaneous source separation

Breno Bahia, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... denoisers can improve RED’s performance in simultaneous sources separation by comparing the classic and robust versions of the Fourier thresholding...

New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene

John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

...New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene John V. Mrakovich, Robert Ehrlich...

Roughness of Limestone and Quartzite Pebbles by the Modified Fourier Method

Eliza Czarnecka, J. E. Gillott

Journal of Sedimentary Research (SEPM)

...Roughness of Limestone and Quartzite Pebbles by the Modified Fourier Method Eliza Czarnecka, J. E. Gillott 1980 Vol. 50 No. 3. (September), Gravel...

Section Five: Use of Gravity Methods on Diapiric Structures

New Orleans Geological Society

...-Filter Maps Swartz (1954) used two-dimensional Fourier transforms to study the filtering effect of ring residual operators. He illustrated how this or any...

Estimation of Heat Flow in Oil Wells Based on Relation Between Heat Conductivity and Sound Velocity: ABSTRACT

J. J. H. C. Houbolt, P. R. A. Wells

AAPG Bulletin

... with formation temperature for most sedimentary rocks. End_Page 1360------------------------------ Combination of this assumption with Fourier's heat...

Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration

Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux

Indonesian Petroleum Association

... by FFT’ing the whole wavefield in the x, y and z directions, scaling it by 2 k x2 , k y , k z2 , and inverse FFT’ing it back. These Fourier transforms...

Abstract: Applying New Technologies to Old Areas: Relative Geologic Time, Wheeler Diagrams and Near Field Exploration in Faulted Plays

Steve Tobias

Houston Geological Society Bulletin

... of a cartoon-like representation. This transform should be every bit as important to a seismic interpreter as a Fourier or Wavelet Transform...

Abstract: Applying New Technologies to Old Areas: Relative Geologic Time, Wheeler Diagrams and Near Field Exploration in Faulted Plays

Steve Tobias

Houston Geological Society Bulletin

... of a cartoon-like representation. This transform should be every bit as important to a seismic interpreter as a Fourier or Wavelet Transform...

Abstract: Analysis of the Structural Style and Fracture Distribution of the Agdagh Anticline in Southern Kurdistan, Iraq A model for fractured Carbonate Reservoirs; #90172 (2014)

Paul A. MacKay, William Matthews

Search and Discovery.com

... occurrence measured along scan lines into a spatial waveform that can then be analyzed with Fourier transforms. The dominant frequencies...

Abstract: On Sampling Optimization Based on Mutual Coherency Criterion; #90224 (2015)

Mafijul Islam Bhuiyan

Search and Discovery.com

.......: The Leading Edge, 17, 197U198. Sacchi, M. D., 2009, A tour of high-resolution transforms: Presented at the CSEG. Trad, D., 2009, Five-dimensional...

Mackenzie Delta: A Case of One Residual Gravity Anomaly and 16 Dry Exploration Wells; #41587 (2015)

Hassan Hassan

Search and Discovery.com

...-effective and less biased by the interpreter’s preconceived ideas. Methodology We normally use Fourier (FFT) based analytical techniques to produce...

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... is the amplitude of an impulse source. If we take the Fourier transform of the equation with respect to x and the Laplace transform with respect to the time, we can...

Supercomputers for Beginners: PART III: GPU-Accelerated Computing

Lasse Amundsen, Martin Landrø, Børge Arntsen

GEO ExPro Magazine

... currently dominates due to the high cost of the wavenumber domain method, which requires 3D Fourier Transforms. However, efforts are being made to develop...

Abstract: Direct Correlations Between Volume Injection Rates and Microseismic Resonances; #90224 (2015)

Jean Baptiste Tary, Mirko van der Baan, and David W. Eaton

Search and Discovery.com

...). Time-frequency transforms, such as the short-time Fourier transform aka spectrogram, are well-suited for the analysis of resonances in continuous...

Enhancement of Fault Definition by Using Frequency Spectral Decomposition Technique in Mari Gas Field; #40925 (2012)

Hamid Mushtaq, Farhan Ahmed Khan, Muhammad Haneef

Search and Discovery.com

... contains many frequencies. Spectral decomposition breaks down and decomposes any geologic event into a series of frequency slices by using discrete Fourier...

Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)

Peng Cheng and Gary F. Margrave

Search and Discovery.com

... functions H12 (f) and H21 (f) can be computed from h12 (t) and h21 (t) by taking Fourier transform. Following that, the power spectral ratios over...

Combined AVO and Spectral Decomposition Analyses to Characterize Gas Sand Reservoir Below Tuning Thickness Condition

Julian Saputro, Jaenudin, Alexis Badai Samudra, Enik Puji Lestari, Sugiono, Aldis Ramadhan, Yosi Hirosiadi

Indonesian Petroleum Association

... efficiently. The algorithms for the efficient computation of the DFT are collectively called fast Fourier transforms (FFTs). By frequency spectra analysis from...