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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,619 documents.
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
Pushing the limit of 5D interpolation using deep learning
Yangkang Chen, Hang Wang, Chao Li, Omar M. Saad
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 2124–2135. Gülünay, N., 2003, Seismic trace interpolation in the Fourier transform domain: Geophysics, 68, 355–369, doi: https://doi.org...
2024
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
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
Deblurring migration images with point spread function filter
Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the wavenumber domain. Taking the spatial Fourier transform of the time-domain 2D convolution of Equation (3), we can obtain...
2022
Application of Hyperspectral Core Scanning for CO2 Geosequestration Reservoir Characterisation, Eastern Surat Basin, Queensland
Susan McDonald Farquhar, Joan Esterle, Suzanne Golding
Petroleum Exploration Society of Australia (PESA)
... infrared (VSWIR) range. A silicone-detector grating spectrometer records radiance in the 380–1072 nm wavelength interval, and an InSb-detector Fourier...
2012
Assessing greenhouse gas emissions in LNG transport: a Monte Carlo analysis of the Gladstone-to-Himeji route
Fabio Terzini, Justin Stirling, Stuart Brown
Australian Energy Producers Journal
..., auxiliary boiler diesel consumption, and GCU BOG consumption Inputs considered in this paper. FTIR, fourier transform infrared; GCU, gas combustion unit. 2...
2025
Imaging oil recovery from mixed-wet microporous carbonates
Ahmed Hassan, Ksenia Kaprielova, Ahmed Saad, Maxim Yutkin, Tadeusz Patzek
International Meeting for Applied Geoscience and Energy (IMAGE)
... the interfacial lms formed at crude oil/water interfaces (no solid), see Figure 3c, and analyze them using Fourier-transform infrared spectroscopy...
2022
The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source
D. W. Thompson
Petroleum Exploration Society of Australia (PESA)
... by the Fourier transform of the pulse. Where R is the relative response at frequency f and pulse period T, it is given by R sin rr IT rriT = Pulse...
1985
Lithofacies prediction of shale based on broadband spectral inversion
Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the seismic record S(fi) and the frequency spectrum of the seismic wavelet W(fi) are obtained by Fourier transform respectively, and the wavelet...
2022
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... Meeting, Dec 2–6, Atlanta, 383 pp Hale, I.D., 1983. Dip Moveout by Fourier Transform, PhD Dissertation, Stanford University, also published as Stanford...
1987
Understanding Dynamic Behavior of Reservoirs During Microseismic Monitoring
Maria A. Krasnova, Jamie P. Rich, Evgeny M. Chesnokov
Unconventional Resources Technology Conference (URTEC)
... lower (~0.15). Spectral characteristics To calculate spectral signals in a chosen time interval, a standard procedure of a fast Fourier transform (FFT...
2013
Borehole tube wave generation by an incident P-wave at a fluid-filled fracture
Abdullah Alsawidan
International Meeting for Applied Geoscience and Energy (IMAGE)
... , 4 $ 𝑐" − 3 𝑖𝜔𝜈 𝑖𝜔 $ $ − 𝑘# = 𝜂$ . 𝜈 (8a) (8b) (8c) Taking the Fourier transform of equation 5 and substituting equation 2 results in the follo...
2022
LithoBot: An AutoML approach to identify lithofacies
Mayur Nawal, Santosh Kumar, Bharath Shekar
International Meeting for Applied Geoscience and Energy (IMAGE)
... (2021) used k-nearest neighbor algorithm and naive bayes classification. Merembayev et al. (2021) applied wavelet transform to wireline logs...
2022
Detection of shallow sedimentary structure of Yigong Lake in Tibetan Plateau using distributed acoustic sensing
Jian Zhou, Jizhong Yang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
...) +++++++ in which *𝐷(𝑓)* is the smoothed amplitude spectrum. The Fourier transform 𝑌(𝑓) was inversely transformed to the time domain for subsequent...
2022
Preliminary Study of Optimization Hydrogen Sulfide Removal in Drilling Fluid Using Functionalized Magnetite Nanoparticle
Bonar Tua Halomoan Marbun, Kartika Fajarwati, Ramadhana Aristya, Niko Pratama Purba
Indonesian Petroleum Association
..., then Fourier Transform Infra Red (FTIR) should be done. CONCLUSIONS From preliminary studies have been conducted about the possibility of magnetite...
2013
The high-magnesium calcite origin of nummulitid foraminifera and implications for the identification of calcite diagenesis
Laura J. Cotton, David Evans, Simon J. Beavington-Penney
PALAIOS
... within potential samples, and to interpret results. Here we employ a combination of X-ray diffraction, Fourier transform infra-red spectroscopy...
2020
Distribution and Significance of Analcime in Wasatch Plateau Coals
Robert B. Finkelman
Utah Geological Association
...) of the low-temperature ash (LTA). Selected samples were also analyzed by differential thermal analysis, Fourier transform infrared analysis, optical...
1991
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 modified 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
Multi-Attribute Analysis of a Low-Frequency Passive Seismic Method for Hydrocarbon Indicator Prospecting: Case Study in Cemara Field, Cirebon, West Java, Indonesia
Dimmas Ramadhan, Andri Dian Nugraha, Afnimar, Muhammad Fadhillah Akbar, Guntur Mulyanagara
Indonesian Petroleum Association
... after the windowing step is used to produce Fast Fourier Transform (FFT) spectra and then smoothed by the moving average to recognize the anomaly...
2013
Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry
Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... + CVTI where CVTI is perturbation stiffness matrix of VTI medium, whose elements can be expressed by Thomsen parameters. Using the Bond transform...
2023