Seismic Attenuation Analysis for Reservoir Description

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... wavelet transform or the short window Fourier transform. 3. compute instantaneous amplitude envelope using Hilbert transform to get a smooth amplitude...

Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)

Satinder Chopra and Kurt J. Marfurt

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... denotes the Fourier transform, where u is an inline or crossline component of reflector dip, and where α is a fractional real number that typically ranges...

Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)

Sam T. Kaplan

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..., respectively, and F denotes the four-dimensional Fourier transform over x g and x s. The operators u p ( k ) and us( k ) are, respectively...

Improvement of inverse scattering angle-domain common image gathers using optical flow

Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... a frequency-wavenumber Fourier transform. Then, a local plane wave decomposition is used to apply the imaging condition for each angle estimated...

Sodium Lignosulfonate Injection From Palm Oil Raw Waste Bunches as A Frontier Eor Technology in The Duri Oil Field: Application and Treatment

Navendra Chista Yogatama, Cryspalina Dwiocta Caroline, Anthony Johan, Valeria Irma Christiani, Ahmad Syauqi Hidayatillah

Indonesian Petroleum Association

... serves to assist the purification process. Chemical groups analysis on lignin were performed using FTIR (Fourier Transform Infrared Spectroscopy...

CO2-Shale Reactivity at the Matrix-Fracture Interface

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

Unconventional Resources Technology Conference (URTEC)

... Fourier Transform infrared spectroscopy (FT-IR), feature relocation scanning electron microscopy (SEM), and surface area and pore size analysis using...

Applicability of Micro-FTIR in Detecting Shale Heterogeneity; #51360 (2017)

Maria Mastalerz, Carley Gasawal, Fed Krause, Chris Clarkson, Chris DeBuhr

Search and Discovery.com

... and SEM Techniques: Bulletin of Canadian Petroleum Geology, submitted 2016. Griffiths, P.R., and J.A. De Haseth, 2007, Fourier Transform Infrared...

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... can be weighted differently. INPUT TRACE S(t) Take Fourier transform of trace S(f) Calculate Weighting function W(f) Weighting function W(f) X...

Rapid Quantification of Mineralogy, Organic Matter, and Thermal Maturity of Cuttings With Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS): A Permian Basin Case Study

MaryEllen L. Loan, Michael M. Herron, Paul Craddock, Romain Prioul, Michael Prange, Kenneth M. Schwartz, Alyssa M. Charsky

Unconventional Resources Technology Conference (URTEC)

...Rapid Quantification of Mineralogy, Organic Matter, and Thermal Maturity of Cuttings With Diffuse Reflectance Infrared Fourier Transform Spectroscopy...

Chapter 2: High-Resolution Multispectral Analysis of Organic-Rich Mudstones

T. Dawn Jobe, Sebastian Csutak, Shannon L. Eichmann, Jordan Kone

AAPG Special Volumes

.... Additionally, micro-Fourier transform infrared (micro-FTIR) spectroscopy was used to identify both clay minerals and compositional structures...

Pre-drill Reservoir Evaluation Using Passive Seismic Imaging

Charles Sicking, Jan Vermilye, Ashley Yaner

Unconventional Resources Technology Conference (URTEC)

... this method to separate the wavelet propagating in the Earth from the reflectivity. Oppenheim derived the method of using the Fourier transform to take...

A surrogate approach to studying the chemical reactivity of burrow mucous linings in marine sediments

Daniel A. Petrash, Stefan V. Lalonde, Murray K. Gingras, Kurt O. Konhauser

PALAIOS

...). METHODS In earlier studies, FTIR (Fourier Transform Infrared) analysis of mucus produced by marine invertebrates showed similarities to spectra...

Abstract: Low-Frequency Tremor Signals from a Hydraulic Fracture Treatment in Northeast British Columbia, Canada; #90187 (2014)

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

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...-time Fourier transform (STFT), however, reveals relatively few LPLD-like signals. We observed a diverse variety of other low-frequency phenomena...

Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)

A. Stanton and M. D. Sacchi

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... involve developing a vector interpolation method that utilizes exact coordinates (such as the Anti-Leakage Fourier Transform (ALFT)). Acknowledgements...

Abstract: A New Method for Microseismic Event Detection and Automatic Time Picking; #90187 (2014)

Yoones Vaezi and Mirko van der Baan

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... are calculated using Short Time Fourier Transform (STFT). The maximum crosscorrelation values are normalized and then subtracted from 1 so that the highest...

Wellsite Mineralogical Data Acquisition; Understanding Results From Multiple Analytical Sources; #80478 (2015)

Brian J. Davis, Amber Koch, Gerald Braun, Cassie O'Connor, Elton Frost, Terry Quinn, Chi Vinh Ly, Guy Oliver, Graham Spence, Bill Whatley, Michael Wilson, Neil Cardy

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...), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), fourier transform infrared spectroscopy (FTIR), and inductively coupled plasma...

Using Advanced Logging Measurements to Develop a Robust Petrophysical Model for the Bakken Petroleum System, #80534 (2016).

Gary A. Simpson, John Hohman, Iain Pirie, Jack Horkowitz

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... Dipole Sonic © 2015 SPWLA. All Rights Reserved. X-Ray Fluorescence (XRF) Dual-Range Fourier Transform Infrared Spectroscopy (DR-FTIR) Diffuse...

Interpretation and Fracture Characterization of Early Cretaceous Buda Limestone Formation Using Post-Stack 3D Seismic Data in Zavala County, Texas, #11108 (2018).

Andrey Smirnov, Christopher L. Liner

Search and Discovery.com

...: Hilbert Transform: Handbook of Poststack Seismic Attributes, p. 207-210. Bennett, L.C., 2015, Interpretation of Late Cretaceous Volcanic Mounds...

Predicting and Detecting Carbonate Cemented Zones Within Latrobe Group Reservoirs of the Gippsland Basin

Mark Bunch

Petroleum Exploration Society of Australia (PESA)

... closely spaced top and base acoustic boundary reflectors. This was done by calculating a Fast Fourier Transform and reconstructing the seismogram...

Time Series Analysis I

Roy E. Plotnick and Karen L. Prestegaard

Special Publications of SEPM

...; the Fourier transform of autocorrelation is the power spectrum (Davis, 1986). Similarly, the parameter H in autocorrelation is closely related to the value...

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

...., 2003, Seismic trace interpolation in the Fourier transform domain: Geophysics, 68, 355– 369. Ikelle, L., and Amundsen, L., 2005, Introduction...

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...

Sequence Stratigraphy Applied to Log Interpretation: Improving Methodology by Means of Signal Processing Techniques and Outcrop Calibration; #90017 (2003)

P. J. Y. M. Rabiller, F. Robail, E. Remacha, L. Richard, F.-J. Sancho-Jaquel, F.Climent, L. P. Fernandez

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... of singularities has been well demonstrated. Compared to Fourier transform, WT offers the invaluable advantage of an accurate localization (along...

Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

... we obtain: 𝜕𝑖𝜔𝑝(𝐱,𝑡) 𝜕𝜔𝑝(𝐱,𝑡) 𝑠 𝑔 (𝐱, 𝑡) = − ∇𝑖𝜔𝑝(𝐱, 𝑡) − ∇𝜔𝑝(𝐱, 𝑡). (9) 𝜕𝑡 𝜕𝑡 By introducing the Fourier transform of the f...

A Pressure Transient Technique for Monitoring Waterfloods

Jeff Spath

Indonesian Petroleum Association

... SPE 12130 presented the 58th Annual Technical Conference and Exhibition, San Francisco, CA., October 5-8, 1983. Fruchting, H.: "Fourier Coefficients...