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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,619 documents.
Large-scale 3D Inversion of Helicopter Electromagnetic Surveys for Oil Sands Exploration near Fort McMurray, Alberta, Canada; #41303 (2014)
Leif H. Cox, Glenn A. Wilson, Michael S. Zhdanov, Jonathan Rudd, and John Wilson
Search and Discovery.com
... and Zhdanov, 2002). For time-domain AEM, system responses and sensitivities are obtained by Fourier transform of the frequency-domain responses...
2014
Study on the Recorded Highest Paleotemperature and Thermal Maturity Evolution of the Lower Paleozoic Marine Shales in the West of Middle Yangtze Region, Central China; #50925 (2014)
Jiankun Zhang, Sheng He, Jizheng Yi, and Yuguang Hou
Search and Discovery.com
... measurements, kerogen FTIR (Fourier transform infrared spectroscopy) analysis. The results of thermo-acoustic emission experiments illustrate...
2014
Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
... considerations. Let from the visco-acoustic wave equation (Equation 1), after Fourier transform to the frequency domain and some algebra manipulation, without...
2016
Micro and Macro-Scale Investigation of Cementing Characteristics of Gas Hydrates, by Jinhai Yang, Bahman Tohidi, and Ben M. Clennell; #90035 (2004)
Search and Discovery.com
2004
Wavelet analysis of well-logging data from oil source rock, Egret Member, offshore eastern Canada
Andreas Prokoph, Frederik P. Agterberg
AAPG Bulletin
..., wavelet coefficients trace the variation of sedimentation rate with depth, a result that is not obtainable from a Fourier transform. Figure 2...
2000
Microchemical differentiation of conodont and scolecodont microfossils
Alison Olcott Marshall, Vincent Nowaczewski, Craig P. Marshall
PALAIOS
... the other, undergo a different thermal alteration pathway. In this study, Fourier transform infrared (FTIR) spectroscopy of scolecodont and conodont...
2013
Variability in Two Northwest Alaska Coal Deposits
John S. Youtcheff Jr., P. D. Rao, Jane E. Smith
Pacific Section SEPM
... determinations and equilibrium moisture measurements were conducted according to ASTM procedures. Fourier Transform Infrared Spectroscopy (FTIR) was used...
1987
Integration of Whole Core, Drill Cuttings, and Well Log Data for Improved Characterization in the Wolfcamp Formation
Joel D Walls, Dan Buller, Anyela Morcote, Michael L. Everts, Bryan Guzman
Unconventional Resources Technology Conference (URTEC)
... for digital rock analysis. Mineral composition was Fourier transform infrared spectroscopy (FTIR). Clays, silicates, and carbonates were normalized...
2016
X-Ray Fluorescence and Laser Induced Breakdown Spectroscopy for Advanced Rock Elemental Analysis
Heyleem Han, Son Dang, Juan C. Acosta, Jing Fu, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... and siderite, between calculated mineralogy results from elemental analyses and measured transmission Fourier Transform Infrared (FTIR) mineralogy. FTIR provides...
2019
Meramec Velocity Systematics
Jing Fu, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
.... Mineralogy is measured using the transmission Fourier Transform Infrared spectroscopy (FTIR). FTIR provides a quantitative mineralogy measurement, which...
2020
CO2-Fracturing Fluid Driven Geochemical Alterations at the Shale Matrix-Fracture Interface
Sean Sanguinito, Patricia Cvetic, Barbara Kutchko, Sittichai Natesakhawat, Angela Goodman
Unconventional Resources Technology Conference (URTEC)
... understanding of the reactions that will occur between CO2, shale, and water/fracturing fluid, we use in situ Fourier Transform infrared spectroscopy, (FTIR...
2020
Automated velocity model building using Fourier neural operators
Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
...Automated velocity model building using Fourier neural operators Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui...
2023
Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods
Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera
Unconventional Resources Technology Conference (URTEC)
... angles. A Fast Fourier Transform (FFT) preceded by a Gabor Transform (Gabor, D., Theory of Communications) for resolution enhancement was used...
2023
Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization
J. J. Gao, X. Wang, Y. H. Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... data denoising method by conducting a 3D shearlet transform approach. Brox and Sacchi (2022) introduced robust vector The quaternion is an extension...
2024
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
... by using a direct method based on the Fourier pseudospectral method. A 1D model the LFS below the BSR is analysed, i.e. the waveform and spectrum...
2019
Self-parametrizing seismic data processing modules: An example on coherent noise suppression
Simone Re, Ran Bachrach, Massimo Clementi, Collin Wilson
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The instantaneous frequency can be obtained, for instance, with short-time Fourier transforms (Stockwell et al., 1996, Wang and Orchard, 2009...
2024
Abstract: Nonstationary Predictive Deconvolution; #90172 (2014)
Gary F. Margrave, Michael P. Lamoureux
Search and Discovery.com
... domain realized in the process of a Gabor transform after localizing a signal with a temporal window and before Fourier transformation. In our...
2014
Grain-Shape Variation in the St. Peter Sandstone: A Record of Eolian and Fluvial Sedimentation of an Early Paleozoic Cratonic Sheet Sand
James M. Mazzullo, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
... particle must be digitized at equal angular intervals relative to the centroid of the profile in order for the discrete closed-form Fourier transform...
1983
Sparse time-frequency representation based on Unet with domain adaptation
Yuxin Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Jinghuai Gao, Xiudi Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... SPARSE SHORT-TIME FOURIER TRANSFORM STFT is a widely used tool in seismic data processing, which is defined by N 2π f (n)g∗ (n − m)e− j N nk , ST FT...
2022
Anti-aliasing seismic data interpolation by dip-informed self-supervised learning
Shirui Wang, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... interpolation in the Fourier transform domain: Geophysics, 68, 355–369, doi: https://doi.org/10.1190/1.1543221. Hu, Y., X. Wei, X. Wu, J. Sun, J. Chen, J. Chen...
2023
Advanced Techniques to Increase Production From Horizontal Wells and Reservoirs
Tom Arnold, Li Gao, Yongchun Tang
Oklahoma City Geological Society
... has it taken 129 years to reach the same level? The first question is much easier to answer than the second! Fourier Transform Infrared Spectroscopy...
2014
Sequential Stage Development of Crescentic Bars: Hahoterim Beach, Southeastern Mediterranean
Victor Goldsmith, Dan Bowman, Kevin Kiley
Journal of Sedimentary Research (SEPM)
... was computed for each digitized wave record, twice a day for one year, using a Fast Fourier Transform algorithm described in Clairbout (1976...
1982
Variations in Water Content in Opal-A and Opal-CT from Geyser Discharge Aprons
Rachel Day, Brian Jones
Journal of Sedimentary Research (SEPM)
... with this diagenetic transition. Electron microprobe (EMP) and micro–Fourier transform infrared (FTIR) analyses of opal-A and opal-CT collected from geyser discharge...
2008
Integrated reservoir characterization of enhanced oil recovery targets in mature basins: An example from the Tar Springs Formation, Rock Hill field, Illinois Basin, United States
Timothy C. Henderson, Kenneth D. Ridgway, Cliff T. Johnston, and Thomas A. Everett
AAPG Bulletin
... diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis, evolved gas analysis, and scanning electron microscopy, this paper...
2020
CSPG/CSEG/CWLS GeoConvention 2011; - Abstracts, #90173 (2015).
Search and Discovery.com
2015