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The AAPG/Datapages Combined Publications Database

Showing 5,188 Results. Searched 200,357 documents.

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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

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