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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,625 documents.

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Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)

A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi

Search and Discovery.com

... techniques (Spitz, 1991; Naghizadeh and Sacchi, 2007), transform based methods (Abma and Kabir, 2006; Liu and Sacchi, 2004), and rank reduction based...

2014

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

Abstract: 5D Interpolation of Seismic Data with Combination of MWNI and POCs Algorithm; #90187 (2014)

Jianhua Pan, Gerry Schlosser, Elvis Floreani, and Robert Tilson

Search and Discovery.com

.... Each iteration consists of a 4D Fourier transformation of the data, an application of a threshold to the transformed data removing low amplitudes...

2014

Calculating Lunar Retreat Rates Using Tidal Rhythmites

Erik P. Kvale , Hollis W. Johnson , Charles P. Sonett , Allen W. Archer , Ann Zawistoski

Journal of Sedimentary Research (SEPM)

...) Subordinate flood-tide events removed from data set in A. C) Discrete Fourier transform (DFT) of the data set represented by (B). D) Summary...

1999

Continuous Sea-Floor Spreading in Red Sea: An Alternative Interpretation of Magnetic Anomaly Pattern

J. L. Labrecque , N. Zitellini

AAPG Bulletin

...) = inverse Fourier transform of A(k), the anomaly spectrum; F(k) = earth and phase filters (Schouten and McCamy, 1972), which express the effects...

1985

Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds

Sojiro Fukuda, Hajime Naruse

Journal of Sedimentary Research (SEPM)

...Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds Sojiro...

2020

Chapter 21: Diffuse Deformation Processes at the Southeastern Boundary of the Caribbean Plate

C. Padron, E. Deville, P. Huyghe, S. Lallemant, J. F. Lebrun

AAPG Special Volumes

... transform system. This study shows the complexity of the connection between the active transform fault system of the south of the Caribbean plate...

2021

Aromatic Hydrocarbons as Indicators of Biodegradation in North Western Australian Reservoirs

S. J. Fisher, R. Alexander, R. I. Kagi, G. A Oliver

Petroleum Exploration Society of Australia (PESA)

... between a HP 5890A gas chromatograph and a Bio-Rad Digilab Model FTS-60A Fourier transform infrared spectrometer. The gas chromatograph was equipped...

1998

Impact of Spatial Distribution of Kerogen Network on Electrical Resistivity of Organic-Rich Source Rocks

Huangye Chen, Lu Chi, Nikhil Kethireddy, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... 10). arious works on kerogen ch o haracterization (e.g., degrada ation method, f fourier URTeC 1619806 2   transform infrared spectroscopy (FTIR...

2013

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... wavenumber, and Fx represents the inverse spatial Fourier transform. Extrapolating the seismic source signature downward from z0 to zN and then upward...

2022

Measurement of Independent Variables - Hydrocarbon Emplacement, Clay Content, Textural Measurements

Michael D. Wilson

Special Publications of SEPM

... for determining clay content include point count analysis, X-ray diffrac­ tion (XRD) analysis, size-settling analysis, Fourier Transform Infra-Red (FTIR...

1994

Boley Agate — Chert Breccia Clasts in the Vamoosa Formation

Neil H. Suneson, William G. Lyon, David Goza

Oklahoma City Geological Society

....; Clouse, J. A., and Isaacs, C. M., 1995, Application of Fourier transform infrared spectroscopy to silica diagenesis: the opal-A to opal-CT transformation...

2013

Accurate simulations of pure P-waves in attenuating transversely isotropic media

Qiang Mao, Jianping Huang, Xinru Mu

International Meeting for Applied Geoscience and Energy (IMAGE)

... Fourier transform of p . Based on the low-rank decomposition (Fomel et al., 2013), we have M N m 1 n 1 1 W11  x, k   W1  x, k m   amnW2  x n...

2023

Identification of Microseismic Attributes Through Spectral Analysis

Michael J. Nava, James W. Rector, Zhishuai Zhang

Unconventional Resources Technology Conference (URTEC)

... calculated. Since there are eleven geophones in the array, a Fourier Transform was performed on all traces, which yielded eleven spectral responses...

2015

Kerogen Density Revisited„Lessons From the Duvernay Shale

Artur Stankiewicz, Natalya Ionkina, Bill Motherwell, Barry Bennett, Oniel Wint, Maria Mastalerz

Unconventional Resources Technology Conference (URTEC)

... and the organic matter characteristics. Fourier Transform InfraRed Spectroscopy. Some density fractions were also analyzed using the potassium bromide (KBr...

2015

New method for monitoring steam injection for Enhanced Oil Recovery (EOR) and for finding sources of geothermal heat

Gordon Stove, G. Colin Stove, Michael Robinson

Petroleum Exploration Society of Australia (PESA)

...: the energy log is produced by sub-sampling the P-Scan image data in equal time intervals. A Fourier Transform is conducted on each sub-image, whereby...

2018

Quantifying Organic Porosity and Predicting Estimated Ultimate Recovery (EUR) in the Eagle Ford Formation

Rich McLean, Carly Miller, Bryan Guzman, Joel Walls

Unconventional Resources Technology Conference (URTEC)

.... The amount of organic matter (confirmed with FTIR (Fourier Transform Infrared Spectroscopy)), is used to calculate the apparent transformation ratio...

2017

A new high-resolution seismic wavelet definition and vibroseis sweep signal design

Zhenbo Nie, Huazhong Wang, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... and vibroseis sweep signal design (a) a Fourier transform pair. Taking the Fourier transform of both sides of formula (2) yields: The width ratio of main lobe...

2024

NMR Considerations in Shales at Elevated Temperature

Aditya Chakravarty, Ali Tinni, Chandra S. Rai, Carl H. Sondergeld

Unconventional Resources Technology Conference (URTEC)

...°C for four days. The Woodford shale samples were preserved state cores. Mineralogy was determined using transmission Fourier transform infrared...

2018

Fracturing Fluids Effect on Mechanical Properties in Shales

Juan C Acosta, Son Dang, Mark Curtis, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... (15 wt.%) for carbonate removal and subsequent LECO TOC measurement. From the same crushed rock, transmission Fourier Transform Infrared Spectroscopy...

2020

Impact of Capillary Pressure on Total Porosity in Unconventional Shales

Felipe Cruz, Ali Tinni, Steven Brackeen, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... was conducted with 7 shale samples from an oil producing reservoir of the Permian Basin. Mineralogy was determined by transmission Fourier transform infrared...

2020

Measurement of Effective Tortuosity in Unconventional Tight Rock using Nuclear Magnetic Resonance

Son Dang, Sanchay Mukherjee, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... Fourier Transform Infrared transmission spectroscopy (FTIR)-mineralogy (Sondergeld and Rai, 1993; Ballard, 2007), LECO® Total Organic Carbon (TOC), total...

2021

Effects of H2 Exposure on the Microstructure of Depleted Hydrocarbon Reservoirs

Mark Curtis, Sidi Mamoudou, Son Dang, Chandra Rai, Deepak Devegowda

Unconventional Resources Technology Conference (URTEC)

... characterization was performed by Fourier Transform Infrared (FTIR) spectroscopy. SEM imaging was performed to characterize the microstructure and energy...

2024

Characterizing the Tops of Devonian Units in the Challenging Sub-Andean Region of Bolivia

Paola Delgado, Gerardo Villacorta, Andrea Di Daniel, Karim Bondabou

Unconventional Resources Technology Conference (URTEC)

... Diffuse reflectance infrared Fourier transform spectroscopy technique DRIFTS. • Geochemical ratio and Gamma Ray via X-Ray Fluorescence (XRF...

2024

Investigating Distributed Acoustic Sensing Performance for Hydraulic Fracturing Monitoring Under Controlled Conditions

Dmitry Kuznetsov, Roman Korkin, Maxim Chertov, Joel Le Calvez

Unconventional Resources Technology Conference (URTEC)

... be obtained using a 2d Fourier transform. For the pressure, in both the coordinate and frequency domains, we have: ρv 2 δP (ω, x) = d ∞ −∞ Sω dk ikx e . 2...

2025

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