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The AAPG/Datapages Combined Publications Database
Showing 757 Results. Searched 200,357 documents.
FWI by utilizing the diversity of local minima
Madhav Vyas, John Etgen
International Meeting for Applied Geoscience and Energy (IMAGE)
..., no. 4, R563–R587, doi: https://doi.org/10.1190/geo2020-0851.1. Pratt, R. G., 1999, Seismic waveform inversion in the frequency domain, Part 1: Theory...
2022
RNN-based seismic velocity model building: Improving generalization using hybrid training data
Hani Alzahrani, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
... (FWI). We present a multi-scale FWI-inspired approach that uses recurrent neural networks (RNNs) to invert frequency-domain seismic data using...
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, for the last heights, 10 m interval was used. Numerical modeling was performed in frequency domain using EM1D algorithm (Kim et al., 1997) for 35 frequencies...
2022
Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
International Meeting for Applied Geoscience and Energy (IMAGE)
... TRSVD with the accelerated augmented Lagrangian objective function and frequency-domain multiscale inversion strategy to achieve an adaptive selection...
2023
Reservoir spatial characterization based on tuning body spectrum decomposition along the target layer
Ying Zheng, Qingzhen Wang, Jianhua Wang, Rao Huang, Zhenyu Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... components, which can highlight key geological targets(Yu,2013; Li,2017). Spectral decomposition converts 3D seismic datasets into 4D time-frequency domain...
2024
Analyzing the impact of additive and multiplicative noise on seismic data analysis
Akshika Rohatgi, Andrey Bakulin, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitude and phase in the frequency domain to delve deeper into noise characteristics. b Trace Index Figure 2: An ensemble of 100 traces...
2024
A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss
Siyu Sun, Guosong Tang, Wei Bao, Guofa Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the frequency-induced loss guides the network in integrating diverse frequency information within the time-space domain, particularly in scenarios with distinct...
2024
Hydrocarbon exploration method based on spectral analyses of reflected seismic waves with an introduction to Class A, B and C P-wave dispersion
Robert Wiley, R. Harris Ardis, Scott W. Peters
International Meeting for Applied Geoscience and Energy (IMAGE)
... (frequency dependent p-wave velocities) associated with fluid mobility in porous/permeable reservoirs can be measured in the frequency domain...
2024
Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin
Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto
Indonesian Petroleum Association
... signals are needed for example, either frequency domain or time-frequency domain, to better analyze and/or to process the signals. Signal Transformation...
2018
Abstract: Challenges of 4C Seismic Acquisition and Processing Offshore Sarawak (Paper 21)
Cyril Wong
Geological Society of Malaysia (GSM)
.... In frequency domain, their corresponding spectra are complementary and their combination gives a flatter spectrum. After combination the two components i.e. p...
2000
Delineation Stratigraphic Features Using Spectral Decomposition and AVO in B Field, Malay Basin (Geophysics Paper 12)
Khairool Anwar B Laksaman, Nguyen Huu Nghi, Goh Sing Thu
Geological Society of Malaysia (GSM)
... Decomposition application transforms the 3D seismic data from time to frequency domain (Partyka et al., 1999) for mapping channel outlines, while the AVO...
2011
Seismic site effect of Bukit Tinggi from microtremor analysis
Abdul Halim Abdul Latiff, Amin Esmail Khalil
Geological Society of Malaysia (GSM)
... analysis. In frequency domain, the ratio between horizontal and vertical components was analysed in determining the resonance frequency of the area...
2018
Abstract: Spectral Decomposition of Seismic Forward Modelled Outcrops of Deepwater Channel and Levee Deposits; #90063 (2007)
Search and Discovery.com
2007
TFEM & BSEM Techniques Applied in Oil E&D Stages
Search and Discovery.com
N/A
Abstract: Review of Geophysical Methods to Support Evaluations of Potential Candidate Sites for a Used Nuclear Fuel Deep Geological Repository; #90172 (2014)
G. W. Schneider, S. J. Emsley, M. E. Monier-Williams, R. K. Davis, F. L. Paillet, R. M. Turpening, S. J. Y. Sol, A. Vorauer
Search and Discovery.com
... Magnetics Frequency domain electromagnetics (FDEM) Spontaneous potential (SP) Induced polarization (IP) 1 AAPG Search and Discovery Article...
2014
Spectral Recomposition in Stratigraphic Interpretation, #41376 (2014)
Yihua Cai, Sergey Fome, Hongliu Zeng
Search and Discovery.com
... and whitened spectrum in a long window; 2. In short window analysis, local geology filters wavelet and overprints it in frequency domain. Some...
2014
A Novel Technique for Fracture Data Analysis Using Three-Dimensional Signal Processing and Statistical Cluster Analysis: Outcr
Search and Discovery.com
N/A
3D seismic facies clustering through spectral decomposition using unsupervised ML
Orkhan Mammadov, Ilkin Karimli, Konstantin Matrosov, Ruslan Malikov, Izat Shahsenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... with a predefined shape is generated (Figure 2). Each node represents the generalized pattern of amplitudes in the frequency domain. An example...
2024
Site characterization and reservoir monitoring using time-lapse SQUID-TEM survey
Michael S. Zhdanov, Alexander Gribenko, Leif Cox, Keiichi Tanabe, Tsunehiro Hato, Akira Tsukamoto, Hironori Wakana
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain. The corresponding frequency-domain EM fields are then transformed to the time domain to model the field survey system. The frequency...
2024
The Determination of Highly Fractured Zone by HVSR Method and its Application on EOR Project Development
Felix Andrean, Muhammad Kukuh Al-Rasyid, Dhara Adhnandya Kumara, Agus Riyanto
Indonesian Petroleum Association
... source software (http://www.geopsy.org). Fast Fourier Transform (FFT) is applied to convert the time domain signal into frequency domain. Additionally...
2018
Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana
V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin
GCAGS Transactions
.... The lack of frequency content is equivalent to a “blurring” effect in the time domain that directly impacts the interpreter’s ability to not only...
2021
ABSTRACT: Examples of Enhanced Spectral Processing in Direct Hydrocarbon Detection; #90007 (2002)
Sun, Shengjie, John P. Castagna, Robert W. Siegfried
Search and Discovery.com
... of the signal from the time domain to frequency domain. Every point from the time domain representation of the signal contributes to the frequency...
Unknown
Abstract: Five Dimensional Seismic Data Interpolation; #90171 (2013)
Daniel Trad
Search and Discovery.com
.... In this paper, we discuss an approach that uses Fourier reconstruction in the inline-crossline-offset-azimuth-frequency domain, with a sparseness constraint...
2013
Abstract: Borehole Vibration Response to Hydraulic Fracture Pressure; #90187 (2014)
Andy St-Onge, David W. Eaton, and Adam Pidlisecky
Search and Discovery.com
... intervals. Wave theory was used to predict the harmonic oscillations that occur. Liu and Li (2011) presented a frequency domain approach for calculating...
2014
Abstracts: Improved Near-surface Velocity Models from 2D Waveform Tomography of Vibroseis First-arrival Data; #90173 (2015)
Brendan R. Smithyman and Ronald M. Clowes
Search and Discovery.com
... on a 2-dimensional frequency-domain implementation (Pratt, 1999). However, the vibroseis data were acquired on existing (crooked) roads. The combination of time...
2015