Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 4,875 Results. Searched 200,357 documents.
ABSTRACT: Analysis of Microcracks in Artificially Coalfied Peats
Arthur D. Cohen, C.M. Prince, A.M. Bailey, C.S. Ho, W.C. Riese, S. Thibodeaux
The Society for Organic Petrology (TSOP)
... in textures and microcracks were investigated using area point counts and variety of image analysis'techniques, including 2-D Fourier h Analysis of t e...
1999
Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis
Robert Ehrlich, John J. Orzeck, Bernhard Weinberg
Journal of Sedimentary Research (SEPM)
...Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis Robert Ehrlich, John J. Orzeck, Bernhard Weinberg 1974 Vol. 44 No. 1. (March...
1974
Sieve Data-Size and Shape Information
Stephen K. Kennedy, Thomas P. Meloy, T. E. Durney
Journal of Sedimentary Research (SEPM)
... periodically during the sieving of single samples and analyzed using Fourier methods. It was found that sediment with the largest harmonic amplitudes...
1985
Analysis and modeling of intermediate-scale reservoir heterogeneity based on a fluvial point-bar outcrop analog, Williams Fork Formation, Piceance Basin, Colorado
Matthew J. Pranter, Amanda I. Ellison, Rex D. Cole, Penny E. Patterson
AAPG Bulletin
...%.The algorithm used to generate the stochastic porosity models is a fast Fourier transform, which performs the convolution of a white noise field...
2007
Unraveling the Origin of Carbonate Platform Cyclothems in the Upper Triassic Durrenstein Formation (Dolomites, Italy)
Nereo Preto, Linda A. Hinnov
Journal of Sedimentary Research (SEPM)
... on the Fourier transform is our instrument of choice for detecting time periodicity and for determining whether a time series is Milankovitch-driven or not. A ca...
2003
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
The Use of Seismic Attributes to Enhance Structural Interpretation of Z-Field, Onshore Niger Delta
Ayolabi, Elijah. A., Adigun, Akeem. O.
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 1965. The Fourier Transform and Its Applications: McGraw-Hill, New York, 268-271. Brown, A. R., 2004. Interpretation of three-dimensional seismic...
2021
Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology
O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness
AAPG Special Volumes
... in calculations made by using the two-dimensional fast Fourier transform method for obtaining the power spectrum. Estimates of Curie-point isotherm depths obtained...
1991
Recognition of Subtle Features in Geologic Maps
J. E. Robinson, D. F. Merriam
CSPG Special Publications
...., and Preston, F. W., 1965, Fourier series analysis in geology: Univ. Arizona, College of Mines, v. 1, p. R-1-R-46. Krumbein, W. C., 1959, Trend...
1980
Construction of Parametric Type Well Profiles Using Linear Models
David S. Fulford
Unconventional Resources Technology Conference (URTEC)
... to the mathematics involved in the definition of an arithmetic mean. See Fulford and Blasingame (2020) for a full mathematical definition. In this work we...
2024
The Significance of Petroleum Resource Estimates and their Relation to Exploration
D. L. Barss
CSPG Bulletin
... mathematical/geological computer studies) will significantly improve the accuracy of potential estimates unless the data base is increased. The traditional...
1978
Chi (X): A Proposed Standard Parameter for Settling Tube Analysis of Sediments
James P. May
Journal of Sedimentary Research (SEPM)
... the use of a log transform of settling speed as a descriptive parameter of sedimentary particles. He used the log to the base 10 of the settling speed...
1981
Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
A. R. Gregory
AAPG Special Volumes
... to avoid aliasing effects. The digitized waveforms are transformed to the frequency domain through a discrete Fourier Transform program...
1977
Unsteady-state diffusion modeling of gas in coal matrix for horizontal well production
Jian-Chun Guo, Ren-Shi Nie, and Yong-Lu Jia
AAPG Bulletin
... related sorption processes in coal: A review: International Journal of Coal Geology, v. 87, no. 2, p. 49–71, doi: 10.1016/j.coal.2011.04.011.Chen, S. M...
2014
Relating Electrical Resistivity to Permeability Using Resistor Networks
Alison Kirkby, Graham Heinson, Lars Krieger
Petroleum Exploration Society of Australia (PESA)
... self-similar fracture surfaces, which uses the inverse Fourier transform to generate fractures with power spectral density functions described...
2016
Abstract: Application of Multiresolution Analysis in Removing Ground-penetrating Radar Noise; #90171 (2013)
Yih Jeng, Chuan-Hung Lin, Yi-Wei Li, Chih-Sung Chen, and Hsin-Han Huang
Search and Discovery.com
... in wavelet analysis for noise suppression. The MRA is a well established mathematical tool in wavelet analysis for image compression (Stollnitz et al...
2013
Modernizing Petrophysical Interpretation in Unconventional Reservoirs by Integrating Advanced Well Logs and Core Analysis in High-Definition Wells
Haijing Wang, Luisa Crousse, Sergio Cuervo, Ronald Brown, Andrew Tipton, Tim Fischer, Michael Cheshire, Mason Edwards, Aygul Kostinovsky, Ezequiel Lombardo, Esteban Rives, Ricardo Freitas, Ali Wushur
Unconventional Resources Technology Conference (URTEC)
...-generation interpretation using basic logs (black curve with brown area fill). Weight fractions of organic matter from Fourier transform Infrared (FTIR...
2025
Geochemical constraints on the origin and volume of gas in the New Albany Shale (DevonianMississippian), eastern Illinois Basin
Dariusz Strapoc, Maria Mastalerz, Arndt Schimmelmann, Agnieszka Drobniak, Nancy R. Hasenmueller
AAPG Bulletin
... Shale samples using Fourier transform infrared (FTIR)derived parameters and atomic H/C ratio (equation in the main text).According to equations of Berner...
2010
Fractal characteristics of the anisotropic microstructure and pore distribution of low-rank coal
Junpeng Zou, Weizhong Chen, Diansen Yang, Jingqiang Yuan, and Yu-Yong Jiao
AAPG Bulletin
...on by using Fourier transform infrared spectroscopy, low-pressure nitrogen gas adsorption, and SEM. Zhou et al. (2018) investigated the evolution of fractu...
2019
Stochastic Analysis of Monthly Precipitation Data in Alabama
Emmanuel E. Udoh, Nosa O. Egiebor, Kafui Nyavor
GCAGS Transactions
...) was subjected to stochastic analysis using the computer program ZEITANA (Smolka, 1996, distributed by the Geology Dept., University Muenster). MATHEMATICAL...
1998
Natural Fractures in Coal: Chapter 5
Jay C. Close
AAPG Special Volumes
.... Dyrkacz, G. R., C. A. A. Bloomquist, and P. R. Solomon, 1984, Fourier transform infrared study of high-purity maceral types: Fuel, v. 63, p. 536-542...
1993
Seismic Imaging Through Gas Cloud Using Borehole Seismic Walkaway Technique; A Case Example From Offshore Malaysia
Teck Kean Lim, Gunawan Taslim, Amy Mawarni M Yusoff
Indonesian Petroleum Association
... of a causal generalized Radon transform: Journal of Mathematical Physics -- January 1985 -- Volume 26, Issue 1, pp. 99-108. Hinds, R., Anderson, L...
2008
Diffusive Leakage of scCO2 in Shaly Caprocks: Effect of Geochemical Reactivity and Anisotropy
Felipe Cruz, Son Dang, Mark Curtis, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... described in our previous work (Cruz et al. 2020, Cruz et al. 2023). Mineralogy obtained by transmission Fourier transform infrared spectroscopy and total...
2024
Accuracy of the Molodensky Transformation Parameters used in Exploration and Production Industry for Transformation between Everest and WGS84 Datums; #41113 (2013)
Ghulam Mujtaba
Search and Discovery.com
... parameters from different sources are used to transform the positions of common known points from WGS84 datum to Everest datum. Transformed Everest...
2013
Dolomitization kinetics during induction: fluid geochemistry and mineralogical evidence for early nucleation
Ariel S. Martin, Stephen E. Kaczmarek
Journal of Sedimentary Research (SEPM)
.... Normalized scans were smoothed using EVA’s Fourier-transform function. Peak position was determined using EVA’s peak finding function and corresponding peak...
2025