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The AAPG/Datapages Combined Publications Database
Showing 5,188 Results. Searched 200,357 documents.
Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity
Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough
Unconventional Resources Technology Conference (URTEC)
... et al. (2013a). This approach calculates the autocorrelation curve from such images, the Fourier transform of which provides a further extension...
2014
Accurate simulations of pure P-waves in attenuating transversely isotropic media
Qiang Mao, Jianping Huang, Xinru Mu
International Meeting for Applied Geoscience and Energy (IMAGE)
... can solve the 2 2 inverse Fourier transform of 11 kx k 11 P by 11FFT 1 k x2 k 2 FFT p 11 M N (18) 11 W1 x, k m...
2023
Relating Electrical Resistivity to Permeability Using Resistor Networks
Alison Kirkby, Graham Heinson, Lars Krieger
Petroleum Exploration Society of Australia (PESA)
... self-similar fracture surfaces, which uses the inverse Fourier transform to generate fractures with power spectral density functions described...
2016
New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin
Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid
Geological Society of Malaysia (GSM)
...-Transform (STFT), which enhances the Fourier Transform’s capabilities by incorporating the time dimension. The process has facilitated the filtration...
2024
A new high-resolution seismic wavelet definition and vibroseis sweep signal design
Zhenbo Nie, Huazhong Wang, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... and vibroseis sweep signal design (a) a Fourier transform pair. Taking the Fourier transform of both sides of formula (2) yields: The width ratio of main lobe...
2024
An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification
Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira
AAPG Bulletin
... accuracy and to have more control over tuning effects. Figure 5. Short-time window Fourier transform was applied to seismic data, decomposing...
2020
The generation of equivalent sources by 3D skeletonization of the migration density field
James Brewster
International Meeting for Applied Geoscience and Energy (IMAGE)
... infilled with a smaller line spacing of 50 m. The data was noise reduced by combining the independently measured gradient components in Fourier-domain...
2022
Multiscale fault and fracture characterization methods
QiQi Ma, Taizhong Duan
International Meeting for Applied Geoscience and Energy (IMAGE)
... (1) In the Equation (1), F, F-1 are the Fourier transform and inverse transform respectively; D(t) represents the seismic amplitude at time...
2022
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
... and inverse Fourier transform by MBAR makes it less critical for the vertical axis to be exactly in time. The Radon transform is applied to both field data...
2022
Reliability estimation of the prediction results by 1D deep learning ATEM inversion using maximum depth of investigation
Hyeonwoo Kang, Minkyu Bang, Soon Jee Seol, Joongmoo Byun
International Meeting for Applied Geoscience and Energy (IMAGE)
... and then inverse Fourier transform (IFT) was carried out to obtain time domain response after interpolating responses in frequency domain...
2022
Deep nonlinear seismic prior for seismic interpolation
Yuhan Sui, Xiaojing Wang, Jianwei Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and C. J. Walker, 1998, Interpolation and extrapolation using a high-resolution discrete Fourier transform: IEEE Transactions on Signal Processing, 46...
2023
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... an important role. Partyka et al (1999) proposed spectral decomposition technique using Fourier transform to determine thin layer thickness. Rubino...
2023
Broadband seismic probabilistic AVO inversion for reservoir properties
Kun Li, Qingwen Zheng, Xingyao Yin, Yaming Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Fourier operator of the complexfrequency-domain transform, respectively. To illustrate the seismic AVO inverse problem clearly, it is assumed...
2023
The Earths radial conductivity model derived from the latest CSES and Swarm satellite data
Mingquan Lai, Xiuyan Ren, Changchun Yin, Yunhe Liu, Bo Zhang, Yang Su
International Meeting for Applied Geoscience and Energy (IMAGE)
... into frequency domain using a Fourier transform. Then, by applying the segmented averaging method (Semenov & Kuvshinov, 2012) and the robust least-squares...
2023
Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation
Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and performing time and space inverse Fourier transform, the fixed fractional-order pure qPwave equation of velocity and attenuative-VTI medium can...
2024
Stochastic inversion based on Von Karman random medium prior model
Longdong Liu, Baoli Wang, Ying Lin, Guangzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and . Where w t is the seismic wavelet. 1 d w t , and the 2 dt The autocorrelation function can be gotten by doing the Fourier inverse...
2024
Risks of Microseismic Fracture Mapping Mis-interpretation: Source-Dependent Sensitivity Induced by Surface Arrays Observational Bias
Pierre-Francois Roux
Unconventional Resources Technology Conference (URTEC)
... is estimated by taking the maximum of the inverse Fourier transform of its spectral expression [Aki and Richards, 2002]: ℱ𝑀0 𝑠̇ 𝐴 = max| | 4𝜋𝜌𝑉 ...
2017
Intricate Seismic Time-Frequency Analysis in Kujung Patch Reef, Northeast Java Basin
Haryono Haryanto, Erik Yogapurana, Aditya Kusuma
Indonesian Petroleum Association
... Fourier Transform (STFT). STFT limits the time-frequency resolution by a pre-defined window length. In contrast, the CWT method does not require pre...
2016
Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data
Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin
Indonesian Petroleum Association
... Frequency filtering can improve the signal-to-noise ratio but it damages the vertical resolution, conversely the inverse filtering improves...
2017
Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea
Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono
Indonesian Petroleum Association
.... 𝑈 𝐷𝐺 (𝑥, 𝑦, 𝑤, 𝑧) = 𝐹(𝜕𝑥, 𝜕𝑦, 𝑘, 𝑧)𝑈(𝑥, 𝑦, 𝑤, 𝑧) Because of, in principle, the above filter equation being the 2D inverse Fourier transform of the ghost signal...
2019
Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)
A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi
Search and Discovery.com
... techniques (Spitz, 1991; Naghizadeh and Sacchi, 2007), transform based methods (Abma and Kabir, 2006; Liu and Sacchi, 2004), and rank reduction based...
2014
Identification and Prediction of the High Heterogeneous Channel Sand in Southern Turgay Basin; #10515 (2013)
Yueying Hong, Hongmei Wang, Wenyuan Tian, and Aling Mo
Search and Discovery.com
... from time domain into frequency domain to obtain amplitude spectrum and phase spectrum-tuning cube through short time window Discrete Fourier Transform...
2013
Implications of 3-D Domain Transformation for Structural and Stratigraphic Interpretation, #40765 (2011)
Geoffrey A. Dorn
Search and Discovery.com
... Stratal Slice 309 Applications – Structural Interpretation Q/C Inverse transform stratal slices to create two horizons Merge two horizons...
2011
Petrography and Reservoir Physics III: Physical Models for Permeability and Formation Factor (1)
ROBERT EHRLICH , EDWARD L. ETRIS , DAVID BRUMFIELD , L. P. YUAN , and STERLING J. CRABTREE
AAPG Bulletin
... for permeability and electrical conductivity (inverse formation factor). These models assume a porous medium that has large numbers of flow paths parallel...
1991
An Integrated Biodegradation Parameter Incorporating Hydrocarbon and Polar/Non-hydrocarbon Fractions of Heavy Oils
Mengsha Yin, Haiping Huang, Leopoldo G. Caminero, Sandra O. Lucach, Silvia M. Chavez, Thomas B.P. Oldenburg
Unconventional Resources Technology Conference (URTEC)
... Bruker SolariX FTICR-MS equipment is used for the Fourier transform ion cyclotron resonance–mass spectrometry (FTICR–MS) analysis. An aliquot...
2020