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The AAPG/Datapages Combined Publications Database

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

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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

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