Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... for every possible source and receiver combination is in fact a scatter of points. As such, any 3D pre-stack processing involving Fourier transforms...

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

..., and including high frequency within the trace. Next I derive a Wiener matching operator W srx(t) which optimally transforms the recorded trace R(xs...

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...

Abstract: Tertiary Deltaic Cycles on Unstable Craton Margin, Banks Island, Arctic Canada, by A. D. Miall; #90972 (1976).

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Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

... represents the power spectrum. For simplicity we also use H1 and H2 to represent the Fourier transforms of their time domain scalar traces...

Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

... dispersive medium and noisy data. Theory The S transform is a time-frequency spectral localization method that is similar to the short-time Fourier...

Characterizing the Spatial Scale of Structural and Stratigraphic Features Through Fourier Analysis

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Estimation of TOC and Brittleness Volumes and Correlation with Reservoir Production

Sumit Verma, Tao Zhao, Kurt J. Marfurt, Deepak Devegowda, Dario Grana

Unconventional Resources Technology Conference (URTEC)

... (Fourier Transform Infrared) mineralogy using the Wang and Gale formula on cores obtained from two wells. We then use this correlation to predict TOC...

Detection of Sedimentary Cyclicity and Stratigraphic Completeness by Wavelet Analysis: An Application to Late Albian Cyclostratigraphy of the Western Canada Sedimentary Basin

Andreas Prokoph , Frederik P. Agterberg

Journal of Sedimentary Research (SEPM)

.... A shifted single-size analysis window is used for sliding-window Fourier transforms (Rioul and Vetterli 1991) as well as for "evolutionary spectral...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... is a multi-dimensional method that transforms noisy seismic data into another domain called Curvelet. In this domain, random and linear noises are well...

Abstract: Time-Frequency Representation of Microseismic Signals using the Synchrosqueezing Transform; #90187 (2014)

Roberto H. Herrera, Jean-Baptiste Tary, and Mirko van der Baan

Search and Discovery.com

... experiments. The popular methods of Short-Time Fourier Transform (STFT) and wavelet analysis have limitations in representing close frequencies...

Reassessment of the Tectonic, Paleogeography, and Geochemistry in Mergui and North Sumatra Basin

Ricky Andrian Tampubolon, Humbang Purba, Shidqi Anugrah Diria, Imbang Jaya, Tri Peni Setyowaty, Yurry Putra Nusantara, Ario Budi Wicaksono, Ahmad Syauqi Hidayatillah, Argya H. Basundara, Herman Darman, Junita Trivanty

Indonesian Petroleum Association

... transforms. This expression, in its one- dimensional form, is defined as (1) where F(g) is the Fourier transform of the gravity anomaly, G...

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user

Search and Discovery.com

... be reconstructed using Fourier methods. In this case the Fourier coefficients of the irregularly sampled data are retrieved by inverting the inverse Fourier operator...

-- no title --

user

Search and Discovery.com

... be reconstructed using Fourier methods. In this case the Fourier coefficients of the irregularly sampled data are retrieved by inverting the inverse Fourier operator...

Wavelet analysis of well-logging data from oil source rock, Egret Member, offshore eastern Canada

Andreas Prokoph, Frederik P. Agterberg

AAPG Bulletin

..., high-frequency cyclicity has been detected in black shale sedimentation by using cyclostratigraphic methods such as Fourier analysis (e.g., Herbert...

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)

... approach is based on Fourier transform with the assumption of homogeneous and transversely isotropic reservoirs. The developed model converts a given...

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... DMO, such as prestack partial migration, DMO by Fourier transform, offset continuation, single channel DMO ... etc, and the improvements...

Acoustic waveform inversion with the Lippmann-Schwinger equation constraint

Rahul Sarkar, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and Kω (·, z, z′ ) are the Fourier transforms of q(x, z) and Kω (x, z, z′ ) respectively, all in the x coordinate. As explained in Sarkar and Biondi...

Contribution of Salinas River Sand to the Beaches of Monterey Bay, California, During the 1978 Flood Period: Fourier Grain-Shape Analysis

Ross A. Clark , Robert H. Osborne

Journal of Sedimentary Research (SEPM)

...Contribution of Salinas River Sand to the Beaches of Monterey Bay, California, During the 1978 Flood Period: Fourier Grain-Shape Analysis Ross...

Abstract: 5D Matching Pursuit Fourier Interpolation of Sparse Irregular Land Geometry, by W. Gamal Eldin, A. Zarkhidze, B. Hootman, and M. Schonewille, #90188 (2014)

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Abstract: Cyclic Architecture of a Carbonate Sequence, Early Aptian Shuaiba Formation, Al Huwaisah Field, Oman, by J. Grotsch; #90990 (1993).

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Stratigraphy and Facies of the Hue Shale in Northern Alaska: Evidence for a Viable Continuous Resource Play in an Emerging Basin

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A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition

Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is an effective method for analyzing nonstationary and nonlinear signals. Unlike conventional time-frequency methods such as Fourier or wavelet transforms, EMD...

Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

... time Fourier transform was first used (e.g., Cohen, 1995) but due to its weak temporal resolution in a fixed window, was replaced by wavelet transforms...

An improved Holo-Hilbert spectral analysis guided by fast matching pursuit

Chaohe Wang, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... layer. Figure 2c shows the time-frequency spectrum obtained by the short time Fourier transform and HoloHilbert spectrum obtained by the Holo-Hilbert...