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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,691 documents.

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Mineralogical, Geothermal, and Porosity Analysis of the Eagle Mills Formation, Newton County, Mississippi

Tim Palmer, David Dockery

GCAGS Transactions

.... R., M. M. Herron, and S. L. Herron, 2017, Comparison of quantitative mineral analysis by X-ray diffraction and Fourier transform infrared spectroscopy...

2018

St. Peter Sandstone: A Closer Look: REPLY

Michael Grutzeck

Journal of Sedimentary Research (SEPM)

... by Fourier shape analysis and scanning electron microscopy, in Marshall, J. R., ed., Clastic Particles, New York, Van Nostrand Reinhold, p. 302-313. MAZZULLO...

1989

Geophysical Studies of Basement Geology of Southern Peninsula of Michigan

William J. Hinze , Richard L. Kellogg , Norbert W. O'Hara

AAPG Bulletin

.... 4, p. 977-993. James, W. R., 1966, FORTRAN IV program using double Fourier series for surface fitting of irregularly spaced data: Kansas Geol...

1975

High-Pressure Consolidation of Kaolinitic Clay: GEOLOGIC NOTES

Devapriya C. Wijeyesekera , M. H. De Freitas

AAPG Bulletin

.../hour (4.2 kg/sq cm/hour). Scale bar 10µ. 6a. Sample from undrained end. 6b. Sample from drained end. Fourier analysis of micrographs is included...

1976

Bitumen geochemistry and producibility in the Upper Cretaceous Niobrara Formation shale oil play

Yuanjia Han, Brian Horsfield, Nicolaj Mahlstedt, and Heather LaReau

AAPG Bulletin

...); and Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). Figure 2. Flow chart of experimental analysis. The specific...

2021

Abstract: On Choosing Differential Operators; #90171 (2013)

John C. Bancroft

Search and Discovery.com

... 15 20 25 N Figure 2 Inverse Fourier transform of the derivative using the tapered frequency, Nfft = 1024, taper starting at 80% of the Nyquist...

2013

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

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... 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...

2013

Accelerometer vs. Geophone Response: A Field Case History

Search and Discovery.com

... to determine the ground acceleration from the geophone data. Taking the Fourier transform of the simple harmonic oscillator equation allows us...

2013

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

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

2013

Abstract: On Choosing Differential Operators; #90171 (2013)

John C. Bancroft

Search and Discovery.com

... 15 20 25 N Figure 2 Inverse Fourier transform of the derivative using the tapered frequency, Nfft = 1024, taper starting at 80% of the Nyquist...

2013

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

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... 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...

2013

Abstract: Using Timelapse Seismic to Monitor the THAITM Heavy Oil Production Process; #90171 (2013)

Rob Kendall

Search and Discovery.com

...) interpolator based on Fourier reconstruction. By taking advantage of the multidimensional aspect of the process, information from different dimensions can...

2013

Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)

Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray

Search and Discovery.com

... in the final image. This is accomplished in Fourier space by setting a cutoff value of (angle filtering) or (horizontal slowness filtering...

2013

Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... of objects with piecewise-c2 singularities: Comm. on Pure and Appl. Math., 57, 219-266. Gulunay, N., 2003, Seismic trace interpolation in the Fourier...

2014

Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)

Marcus Wilson, Robert J. Ferguson

Search and Discovery.com

.... Method and Example An arbitrary source wavefield of n=256 traces with n temporal samples (Figure 1a) is Fourier transformed in time, and band limited...

2014

Abstract: Seismic Denoising by Time-Frequency Reassignment; #90174 (2014)

Li Han, David Bonar, and Mauricio Sacchi

Search and Discovery.com

... Reassignment The well-known Short Time Fourier Transform (STFT) of the signal x(t ) can be defined as, G(t, )     x( )h* (  t )e  i d , (1...

2014

Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)

Stewart Trickett, Lynn Burroughs, and Andrew Milton

Search and Discovery.com

... the Discrete Fourier Transform (DFT) of each trace. 2: For each frequency… 2.1: Insert the complex values for this frequency and all traces...

2014

Abstracts: Application of FX Singular Spectrum Analysis on Structural Data; #90173 (2015)

Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser

Search and Discovery.com

... 100 Rank 120 Rank 150 In seismic data processing these matrices are complex matrices composed of Fourier coefficients of traces for each constant...

2015

Abstract: Robust Surface-Consistent Residual Statics and Phase Correction … Part 2; #90224 (2015)

Peter Cary and Nirupama Nagarajappa

Search and Discovery.com

...-client data library. References Cambois. G. and Stoffa, P. [1993], Surface-consistent phase decomposition in the log/Fourier domain, Geophysics, 58...

2015

Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

... for vertical seismic profiles. In 1984 SEG Annual Meeting. Kosloff, D. D., & Baysal, E. (1982). Forward modeling by a Fourier method.Geophysics, 47(10...

2015

Geobody Modelling and Reservoir Characterization of Siliciclastic Wara Formation in Khashman Field, Kuwait, #41005 (2012)

Bhaskar Chakrabarti, Meshal Al-Wadi, Lin Ye, Jalal Dashti

Search and Discovery.com

... a Discrete Fourier Transform (OFT) method is used . ~_ r r- - IJ I~ ~ I ~ , § ,- ~ § E E ~ ~ ! § E ., It~ ik I ~ N E N M ,- its...

2012

Driving Parameters for Process-Like Modeling of Replacement Dolomite Related to Fractures (Calcari Grigi, Trento Platform, Northern Italy); #50552 (2012)

Caroline Planteblat, Annie Arnaud-Vanneau, Thierry Adatte, Bruno Caline, Anne-Marie Boullier, Karl Föllmi, and Gérard Massonnat

Search and Discovery.com

..., October 23-26, 2011 1 TOTAL, PAU, France ([email protected]) University of Joseph Fourier, GRENOBLE, France 3 University of Lausanne, LAUSANNE...

2012

Large-scale 3D Inversion of Helicopter Electromagnetic Surveys for Oil Sands Exploration near Fort McMurray, Alberta, Canada; #41303 (2014)

Leif H. Cox, Glenn A. Wilson, Michael S. Zhdanov, Jonathan Rudd, and John Wilson

Search and Discovery.com

... and Zhdanov, 2002). For time-domain AEM, system responses and sensitivities are obtained by Fourier transform of the frequency-domain responses...

2014

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