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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,619 documents.

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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

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Search and Discovery.com

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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

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

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

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