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The AAPG/Datapages Combined Publications Database
Showing 1,355 Results. Searched 196,410 documents.
Relationship of Morphologic Variation and Environment in Recent Bolivina (Foraminiferida) from Northwestern Gulf of Mexico: ABSTRACT
Anthony C. Gary, Nancy Healy-Williams
AAPG Bulletin
..., was quantified by an automated video digitizer using closed-form Fourier series anal ses. Significant variations in shape outline components were tested...
1984
Morphostratigraphy of Foraminifera Via Automated Image Analysis: ABSTRACT
N. Healy-Williams, L. Robbins, R. Ehrlich
AAPG Bulletin
... specimens per hour. The subsequent analysis of shape changes is via closed-form Fourier se ies and multivariate statistical techniques. Through...
1984
COGS--Computer Oriented Geological Society: ABSTRACT
James A. Thomson
AAPG Bulletin
... statistics, interactive geophysical modeling, double-Fourier analysis, and telecommunications, among others. Future presentations will include expert systems...
1984
Distinction of Glacial and Interglacial Cycles in Feni and Gardar Drifts, North Atlantic: ABSTRACT
Margaret R. Eggers, Robert Ehrlich
AAPG Bulletin
.... Fourier shape analysis on quartz silts, augmented by SEM, showed that each sample consists of a mixture of 3 grain populations. One grain type...
1985
Abstract: Spatial Analysis of Fabric Elements in the Berea Sandstone through Petrographic Image Analysis, by M. B. Carr and C. A. Paschke; #90928 (1999).
Search and Discovery.com
1999
ABSTRACT: Re-evaluation of Hydrocarbon Potentials of Eastern Part of the Chad Basin, Nigeria: An Aeromagnetic Approach, by Anakwuba, Emmanuel K.; Chinwuko, Augustine I. ; #90142 (2012)
Search and Discovery.com
2012
Abstract: Milankovic Cycles on Mars and the Impact on Economic Exploration;
Matthew Brzostowski
Search and Discovery.com
... for periodic cycles via Fourier spectral analysis of obliquity and precession index. This analysis substantiates the 128,000 and 91,000-year cycles for Earth...
Unknown
Constraining Geostatistical Reservoir Models with Seismic Attributes
Search and Discovery.com
N/A
Flow Characteristics of Oil-Water Two-Phase Seepage after Fracturing Fluid Intrusion in Tight Reservoirs
Shihao Li, Liguo Zhong, Yuxinyue Hu, Hailong Zhang, Qingxiang Lin, Jian He, Mingwei Zhang
Unconventional Resources Technology Conference (URTEC)
... of emulsion movement within pores. Furthermore, through rapid Fourier transformation from another perspective, it is observed that as the capillary...
2023
Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity
Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough
Unconventional Resources Technology Conference (URTEC)
... et al. (2013a). This approach calculates the autocorrelation curve from such images, the Fourier transform of which provides a further extension...
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
Could the Mesoproterozoic Kyalla Formation Emerge as a Viable Gas Condensate Source Rock Reservor Play in the Beetaloo Sub-Basin?
Carl Altmann, David Close, Brenton Richards, Elizabeth Baruch, Mohinudeen Faiz, Alexander Cote
Petroleum Exploration Society of Australia (PESA)
.... FTIR (Fourier-transform infrared spectroscopy) data indicated that as much as half the traditional XRD Illite/mica peak is composed of muscovite...
2018
Experimental Evaluation of Cement Integrity on Exposure to CO2: Application to Geostorage
Sidi Mamoudou, Mark Curtis, Son T. Dang, Chandra Rai, Carl Sondergeld
Unconventional Resources Technology Conference (URTEC)
... intrusion profiles allows us to determine flow path alteration in the cement plugs. Additional characterizations include Fourier Transform Infrared...
2023
Front Matter: Memoir 120: Mudstone Diagenesis: Research Perspectives for Shale Hydrocarbon Reservoirs, Seals, and Source Rocks, 2019
Wayne K. Camp, Neil S. Fishman, Paul C. Hackley, Joe H. S. Macquaker, Kitty L. Milliken, Kevin G. Taylor
AAPG Special Volumes
... petrography with micro-Fourier transform infrared spectroscopy to provide a physico-chemical characterization of organic matter over a range...
2019
Detecting Permeability Gradients in Sandstone Complexes--Quantifying the Effect of Diagenesis on Fabric
Robert Ehrlich, Mark C. Bowers, Virginia L. Riggert, Christopher M. Prince
AAPG Special Volumes
..., and by pressure solution. Prince et al. (1995) used a two-dimensional fast Fourier transform on thin-section-scale binary images to quantify the spatial...
1997
Note on the discovery of Carboniferous amber associated with the seed fern Linopteris obliqua, Sydney Coalfield, Nova Scotia, Canada
Maria Mastalerz, Erwin L. Zodrow
Atlantic Geology
... observations and careful isolation of the amber, the samples were analyzed by the Fourier transform infrared spectroscopy (FTIR) technique. This technique has...
2022
A Method for the Determination of Nitrogen in Clays, with Application to the Burial Diagenesis of Shales: RESEARCH METHOD PAPER
Paul A. Schroeder , Ellery D. Ingall
Journal of Sedimentary Research (SEPM)
... 1980), (2) Kjeldahl digestion and distillation (e.g., Bremmer 1965), (3) Fourier-transform infrared (FTIR) spectroscopy (e.g., Sterne et al. 1982), (4...
1994
Ergodic Sampling: A New Data Acquisition Method to Gather More Information
Mengli Zhang, Yaoguo Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the transform domain when sampling a signal. SRF(i, j; i0 , j0 ) = |FFF 1 I (i i0 , j j0 )| (1) where F and F 1 denote respectively the 2D Fourier...
2023
Transitional Flow Regimes in Multi-Fractured Horizontal Wells
Shail Apte, W. J. Lee
Unconventional Resources Technology Conference (URTEC)
... regimes in a MFHW helps in better rate forecasts and better reserves estimates Nomenclature A2r 2n = Mathieu function Fourier coefficients B...
2016
Near Surface Characterization of the Baton Rouge and Scotlandville Faults, East Baton Rouge Parish, Louisiana
Angela M. Thomas, Jeffrey A. Nunn
GCAGS Transactions
... were band pass filtered using the Fast Fourier transform trapezoidal procedure. Unless otherwise noted, the main corner frequency values...
2006
ABSTRACT: Discrimination of Maceral Composition in Crushed Coals by Fourier Grain Shape Analysis and Digitized Grain Outline Analysis
Arthur D. Cohen, Robert Ehrlich, John B. Ferm, Christopher Prince
The Society for Organic Petrology (TSOP)
...ABSTRACT: Discrimination of Maceral Composition in Crushed Coals by Fourier Grain Shape Analysis and Digitized Grain Outline Analysis Arthur D. Cohen...
1992
The Physical Consequences to Aquifer Characteristics in a Laboratory Simulation of Deep-Well Injection of Organic Chemicals
Rodney A. Crother, Matthew W. Totten
Environmental Geosciences (DEG)
.... Post-Experimental Analytical Testing Analyses of the gels that formed in the cores was performed on a fourier transform infrared spectrophotometer...
1996
Hydraulic fracture aperture estimation using low frequency DAS and DSS in Austin Chalk and Eagle Ford Shale
Xiaoyu Zhu, Jonathan Ajo-Franklin, Julia Correa, Yuanyuan Ma, Jaewon Saw, Linqing Luo, Kenichi Soga
International Meeting for Applied Geoscience and Energy (IMAGE)
... than Rayleigh scattering. We use a modiļ¬ed version of BOTDR system described in Luo et al. (2019), which incorporates a short-time Fourier transform...
2023
Can tile low-rank compression live up to expectations? An application to 3D multidimensional deconvolution
Yuxi Hong, Matteo Ravasi, Hatem Ltaief, David Keyes
International Meeting for Applied Geoscience and Energy (IMAGE)
... Fourier where F and F significant computational challenges, mainly due to the need Transform applied along the time/frequency axes (implemented...
2023
Magnetotelluric Investigation of the Pleistocene Nueces River Incised Valley, Mustang Island, Texas
Egon T. Weber, Richard Hay, James R. Garrison, Jr.
GCAGS Transactions
..., which can resolve a range of frequency components. The software then performs a Fourier transform on each channel and calculates crosspower stacks...
2007