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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,619 documents.
Making Interpretable Images from Image Logs
Birger Hansen, Janusz Buczak
AAPG Special Volumes
..., it suffices to know the generator frequency and the rotation speed of the transducer; then a Fourier transform band-stop filter applied to the image...
2010
A Preliminary Study of the Relationship Between Test Morphology and Bathymetry in Recent Bolivina Albatrossi Cushman, Northwestern Gulf of Mexico
Anthony C. Gary
GCAGS Transactions
... Anthony C. Gary 1985 Vol. 35 (1985), An automated video digitizer and closed-form Fourier series analysis are used in this study to quantify benthic...
1985
Click to view abstract in PDF format
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Rock Typing in Eagle Ford, Barnett, and Woodford Formations
Ishank Gupta, Chandra S. Rai, Carl H. Sondergeld, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
... is calculated from the knowledge of grain and bulk volumes. Mineralogy Fourier Transform Infrared Spectroscopy (FTIR, Sondergeld and Rai 1993, Ballard 2007...
2017
Subsurface temperature from seismic reflections: Application to the post-breakup sequence offshore Namibia
Arka Dyuti Sarkar and Mads Huuse
AAPG Bulletin
... to derive thermal conductivity through an empirical transform. This empirical relationship relating acoustic velocity and thermal conductivity...
2023
Robust localized adaptive waveform inversion: A new regularization for Gabor deconvolution
Peng Yong, Romain Brossier, Ludovic Mtivier
International Meeting for Applied Geoscience and Energy (IMAGE)
... time-domain form w(t, τ) through −1 w(t, τ) = Fτ [w(t, ω)] , ˆ (4) −1 Fτ where denotes the inverse Fourier transform for the variable τ...
2022
Exploration potential for stratigraphic traps in Field X, Malay Basin
Muhammad Hazmi Abdul Malik, Lo Shyh Zung, Abdul Ghani Md Rafek
Geological Society of Malaysia (GSM)
... using short time fourier transform (STFT) and S-transform. STFT display a better time window resolution meanwhile S-transform is good in frequency...
2018
Exploring the Thin Talangakar Formation Sandstone Using Integrated Seismic Multi-Attribute Analysis and Spectral Decomposition in Kuang Area, South Sumatra Basin, #10900 (2016).
Noor Cahyo Wibowo
Search and Discovery.com
...) and Discrete Fourier Transform (DFT). Given that each TAF member has a thickness analysis window of less than 30 ms, the DFT algorithm does not display...
2016
Computer Mapping: A Review of What is Available and What is Useful for Exploration Purposes
Nigel M. Waters
CSPG Bulletin
... Fourier transform of a matrix of data. The MAPCAT system was replaced by the FELIX package which, in turn, was superseded by TERRAPLOT which has...
1981
Contribution of Salinas River Sand to the Beaches of Monterey Bay, California, During the 1978 Flood Period: Fourier Grain-Shape Analysis
Ross A. Clark , Robert H. Osborne
Journal of Sedimentary Research (SEPM)
...Contribution of Salinas River Sand to the Beaches of Monterey Bay, California, During the 1978 Flood Period: Fourier Grain-Shape Analysis Ross...
1982
Integration of Large-Area SEM Imaging and Automated Mineralogy-Petrography Data for Justified Decision on Nano-Scale Pore-Space Characterization Sites, as a Part of Multiscale Digital Rock Modeling Workflow
Andrey Kazak, Svyatoslav Chugunov, Victor Nachev, Mikhail Spasennykh, Anatolii Chashkov, Eugenij Pichkur, Mikhail Presniakov, Alexander Vasiliev
Unconventional Resources Technology Conference (URTEC)
... data were processed with FEI PerGeos software. Original slices were filtered using Fast Fourier Transform to remove periodical artifacts in vertical...
2017
Tubular Tidalites: A Biogenic Sedimentary Structure Indicative of Tidally Influenced Sedimentation
Murray K. Gingras, John-Paul Zonneveld
Journal of Sedimentary Research (SEPM)
..., and using Fast Fourier Transform analysis. Considering the morphology of tubular tidalites presented, the parameters that promote the occurrence...
2015
Bouguer Gravity Anomalies and Crustal Structure in Northwestern Mexico: Chapter 11: Part III. Regional Geophysics and Geology
Robert Wayne Schellhorn, Carlos L. V. Aiken, Mauricio F. de la Fuente
AAPG Special Volumes
... are composed of en echelon transform faults that offset several small spreading centers of pull-apart basins. In the southernmost Gulf of California, oceanic...
1991
Late Mississippian Prodeltaic Rhythmites in the Appalachian Basin: A Hierarchical Record of Tidal and Climatic Periodicities
Daniel J. Miller, Kenneth A. Eriksson
Journal of Sedimentary Research (SEPM)
... wit a digital micrometer on polished slabs or on the outcrop from the midpoints of the clay-dominated intervals. Fast Fourier Transform and Maximum...
1997
Abstract: Tertiary Deltaic Cycles on Unstable Craton Margin, Banks Island, Arctic Canada, by A. D. Miall; #90972 (1976).
Search and Discovery.com
1976
Aeolian Delivery of Sand to Pre-Silurian Stable Shelves Resolves Apparent Paradoxical Occurrence of Transgressive Sheet Sands: Abstract
J. M. Mazzullo, Robert Ehrlich
CSPG Special Publications
... of rate of deposition. An analysis of the morphology of quartz grains (using Fourier and SEM techniques) from samples from the St. Peter Sandstone...
1986
The Sample Support Problem for Permeability Assessment in Sandstone Reservoirs
Y. Anguy, R. Erlich, C. M. Prince, V. L. Riggert, and D. Bernard
AAPG Special Volumes
... sample size can be determined by measuring the scales of structural complexity using Fourier transforms of the image of the porous microstructure...
1994
ABSTRACT: Quantitative Paleobathymetry Using Oxygen Isotopes and Shape Changes in Benthic Foraminifera, by Anthony C. Gary, Douglas F. Williams, and Nancy Healy-Williams; #91038 (2010)
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2010
ABSTRACT: Fast PC-Based Burial/Thermal Modeling, by J. Dye, P. B. Visscher, J. H. Fang, S. Johnson, A. M. J. Davis, and R. Tipping; #91022 (1989)
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1989
ABSTRACT: Interaction of Marine and Fluvial Clastic Sedimentation, Central Italy, Tyrrhenian Coast, by S. Evangelista, W. E. Full, and P. Tortora; #91022 (1989)
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1989
ABSTRACT: Biostratigraphic Application of Shape Analysis and EXTENDED CABFAC-FUZZY QMODEL to Sphaeroidinellopsis Lineage, by Anthony C. Gary; #91022 (1989)
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1989
Sources of Shoaling in Charleston Harbor, Fourier Grain Shape Analysis: REPLY
Robert Ehrlich, P. Jeffrey Brown
Journal of Sedimentary Research (SEPM)
...Sources of Shoaling in Charleston Harbor, Fourier Grain Shape Analysis: REPLY Robert Ehrlich, P. Jeffrey Brown 1979 Vol. 49 No. 2. (June), COLQUHOUN...
1979
Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data
Carolyn Brauer Hudson, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
...Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data Carolyn Brauer...
1980
Abstract: Benthic Foraminifera Morphology: A Tool for Paleoenvironmental and Paleowater Depth Interpretations, by A. C. Gary; #91004 (1991)
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1991
Abstract: Sampling 3-D Seismic Data, by V. Bardan; #90990 (1993).
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1993