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The AAPG/Datapages Combined Publications Database
Showing 1,342 Results. Searched 195,596 documents.
Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097 (2012)
Olusola Samuel-Ojo, Lorne Olfman, Linda A. Reinen, Arjuna Flenner, David D. Oglesby, Gareth J. Funning
Search and Discovery.com
... Fourier Transform algorithm for Averaging, Laplacian and Laplacian of Gaussian (LoG) filter. Filtering is a procedure that visits each element...
2012
Evidence for Hydrocarbon Generation from NSOs: Implication for Modeling of Oil and Gas Generation in Basins; #120128 (2013)
Patrick G. Hatcher, Francoise Behar, Albert Kamga, and Elodie Salmon
Search and Discovery.com
... ultrahigh resolution mass spectrometric technique involving electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI-FTICR-MS...
2013
Optimizing Shale Reservoir Characterization with Spectroscopy Evaluation While Drilling, #42026 (2017).
Zach Crosby, Pukar Mainali, Camilo Mejia, Cory Langford
Search and Discovery.com
... samples with Pyrolysis, Fourier Transform Infrared Spectroscopy (FTIR), X-ray Flourescence (XRF), X-ray diffraction (XRD). These vertical well data...
2017
Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition
Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina
Indonesian Petroleum Association
... s may be written as: 1 , √ Where Ψ* is the complex conjugation of the Fourier transform of the wavelet function. The length of the wavelet has...
2016
A New Insight of Hydrocarbon Potential in Stratigraphic Trap in the Keutapang Formation, North Sumatra Basin
Argya Hastubrata Basundara, Andi Mardianza, Humbang Purba, Ricky Andrian Tampubolon, Shidqi Anugrah Diria, Dedi Retno Haryanto, Herman Darman, Junita Trivanty
Indonesian Petroleum Association
... that the signal is multiplied with a function, wavelet, similar to the window function in the Discrete Fourier Transform (DFT), and the transform...
2018
From 2D to 4D Wheeler Diagrams; #50774 (2012)
Farrukh Qayyum, Paul de Groot, Nanne Hemstra
Search and Discovery.com
... decomposition attributes in a sliding window that slides relative to the HorizonCube (chronostratigraphic) event. For example in a Fourier Transform...
2012
Raman Spectroscopy Based Maturity Profiling of the Vaca Muerta Formation, Neuquén Basin, Argentina
Alberto Ortiz, Bastian Sauerer, Jean-Paul Lafournère, Pablo Saldungaray, Wael Abdallah
Unconventional Resources Technology Conference (URTEC)
... Infrared Fourier Transform Spectroscopy) or results derived from the kerogen properties. This case study in the Vaca Muerta shows a good correlation...
2019
Fourier Grain Shape Analysis as a Tool for Indicating Batch Recoveries of Bitumen from Athabasca Tar Sands: ABSTRACT
Marian McNally Smith, Robert Ehrlich, Arvid Hardin
AAPG Bulletin
...Fourier Grain Shape Analysis as a Tool for Indicating Batch Recoveries of Bitumen from Athabasca Tar Sands: ABSTRACT Marian McNally Smith, Robert...
1983
Climatic Forcing of Cyclic Carbonate Sedimentation During the Last 5.4 Million Years Along the West Florida Continental Margin
Steven R. Roof , Henry T. Mullins, Steven Gartner, T. C. Huang, Ed Joyce, John Prutzman, Leonard Tjalsma
Journal of Sedimentary Research (SEPM)
... of the core. End_Page 1075----------------------- density estimates using a discrete Fourier transform, and finally smoothing the raw power spectrum...
1991
Spectrum Extrapolation to Increase Resolution: ABSTRACT
D. G. Stone
AAPG Bulletin
... except in the framework of Wiener filtering. An alternate method is possible using Fourier theorems to extrapolate the spectrum to higher frequencies...
1973
Interactive Gridding: ABSTRACT
James A. Downing
AAPG Bulletin
... derived from gridded surface models. Processing and analysis techniques such as surface filtering, trend analysis, Fourier transforms, and simple...
1982
VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis
Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
..., signal decomposition shows people more hidden information in the data than superficially. As the most classic spectral analysis tool, Fourier transform...
2016
A 3-D ground-penetrating radar and wavelet transform analysis of the morphology of shoreface deposits in the Upper Cretaceous Ferron Sandstone Member, Utah
Keumsuk Lee, Robert Szerbiak, George A. McMechan, Namsoon Hwang
AAPG Bulletin
... followed by the analysis results.Two-Dimensional Continuous Wavelet DecompositionThe CWT is related to the Fourier transform but has the added advantage...
2009
Extraction and Interpretation of the Complex Seismic Trace
R. E. Sheriff, M. T. Taner, F. Koehler, D. Frye
Indonesian Petroleum Association
... of determining frequency as described above–both instantaneous frequency and weighted frequency – are quite different from the more common Fourier-Transform...
1977
Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)
Changsoo Shin and Wansoo Ha
Search and Discovery.com
... is the amplitude of an impulse source. If we take the Fourier transform of the equation with respect to x and the Laplace transform with respect to the time, we can...
2014
FOSSILIZATION MODEL FOR SQUAMASTROBUS TIGRENSIS FOLIAGE IN A VOLCANIC-ASH DEPOSIT: IMPLICATIONS FOR PRESERVATION AND TAPHONOMY (PODOCARPACEAE, LOWER CRETACEOUS, ARGENTINA)
MAITEN A. LAFUENTE DIAZ, JOSÉ A. D'ANGELO, GEORGINA M. DEL FUEYO, ERWIN L. ZODROW
PALAIOS
... (Coniferales, Lower Cretaceous, Baquer´ Group, Santa Cruz, o Argentina) are studied by semi-quantitative Fourier transform infrared spectroscopy, followed...
2018
Gravity's Role in a Modern Exploration Program
Gene Greene
Houston Geological Society Bulletin
.... 203-225. Figure 3. Two dimensional Fourier transform from Swartz (Geophysics, 1954). End_of_Record - Last_Page 51...
1991
Processing the first full azimuth OBN survey in Australia: a step change in imaging quality
Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton
Petroleum Exploration Society of Australia (PESA)
... Gas Field: Chapter 32, M 54 Giant Oil and Gas Fields of the Decade 1987-1988 Wang, J., Wang,S. , 2013, Hybrid 5D Fourier transform - a flexible tool...
2019
Clay Mineral Distribution in a Modern Sedimentary System, Surface Sediments from Ravenglass Estuary and Beyond; #50684 (2012)
Ehsan Daneshvar
Search and Discovery.com
... hinterland geology (granite and Triassic Sandstones) toward estuarine surface sediments has been undertaken using X-ray diffraction (XRD), fourier...
2012
Mixed Siliciclastic-Carbonate System of D Facies in the Bakken Formation, Williston Basin, #80487 (2015).
Dipanwita Nandy, Geraldus Listiono, Stephen A. Sonnenberg, John D. Humphrey
Search and Discovery.com
... the channels. This resulted in cyclic deposition of alternating bands of oolitic grainstone and quartz-rich sandstone. Fast Fourier Transform analysis...
2015
Application of Frequency-Dependent Attributes for Gas Prospect Identification
Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 2014) to time-frequency methods like short Fourier transform, wavelet transform, etc. We demonstrate here a method based upon Tikhonov regularization...
2023
Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology
Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... channels. response characteristics of faults or lithological boundaries, this method uses 3D Fourier transform technology to calculate the dip...
2023
Cycles in Lake Beds of the Triassic Sanford Sub-Basin of North Carolina
Lisa N. HU, Daniel A. Textoris
Special Publications of SEPM
... as indicated by time series analyses using a modified Cooley-Tukey Fast Fourier Transform of gamma-ray logs from the three wells. The Butler well has strong...
1996
Sources Of Shoaling In Charleston Harbor, Fourier Grain Shape Analysis: DISCUSSION
James Neiheisel
Journal of Sedimentary Research (SEPM)
...Sources Of Shoaling In Charleston Harbor, Fourier Grain Shape Analysis: DISCUSSION James Neiheisel 1979 Vol. 49 No. 2. (June), HAILS, J. R...
1979
Seismic Inversion Resolution Enhancement With (3S) Spectral Blueing, Spectral Balancing, and Stochastic Inversion on Fluvio Deltaic Environment
Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria
Indonesian Petroleum Association
... balancing method can be seen in Figure 1. Fast Fourier Transform is applied to the seismic input data in Figure 3a to obtain the spectrum amplitude...
2022