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The AAPG/Datapages Combined Publications Database
Showing 555 Results. Searched 195,364 documents.
Abstracts: Prewhitening with Matrices; #90173 (2015)
C. Robert Pinnegar
Search and Discovery.com
... processing flows. Usually prewhitening is described as being necessary to ensure stability of the deconvolution filter. In the case of frequency-domain...
2015
Abstract: A Class of Detection Filters for Noise Suppression in Seismic Deconvolution
Dashuki Mohd
Geological Society of Malaysia (GSM)
... noise suppression. The filters, which are formulated in the frequency domain, are a function of the wavelet and noise . specua. Two cases...
1991
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
... a mathematical model for the regional reflectivity. A method for correcting reflectivity color effects in frequency domain Wiener deconvolution is extended...
2015
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
...Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015) Sina Esmaeili and Gary Frank Datapages...
2015
Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)
Nasser Kazemi and Mauricio D. Sacchi
Search and Discovery.com
... before and after deconvolution via SMBD, respectively. We also estimated the wavelet using the frequency-domain least squares estimator. The wavelet...
2014
Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)
Mirko van der Baan
Search and Discovery.com
.... In the frequency domain the final estimated wavelet is then given by (2) W j ( f ) =| Wav , j ( f ) | exp{iφ kurt , j sgn( f )}, with |Wav,j...
2013
Abstract: Nonstationary Predictive Deconvolution; #90172 (2014)
Gary F. Margrave, Michael P. Lamoureux
Search and Discovery.com
... deconvolution in the frequency domain. Here we sidestep this issue by developing the theory in the nonstationary “time-time” domain. This is an intermediate...
2014
Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)
Peng Cheng, Gary F. Margrave, David C. Henley
Search and Discovery.com
... algorithms, the reflectivity is usually assumed to have a flat (white) amplitude spectrum over the deconvolution frequency band. Such a reflectivity...
2015
Abstract: Push the Limits of Seismic Resolution Using Surface Consistent Gabor Deconvolution; #90171 (2013)
Xinxiang Li and Darren P. Schmidt
Search and Discovery.com
... series in the time-frequency domain (we call it Gabor domain). The Gabor deconvolution method uses the Gabor representation of seismic traces to capture...
2013
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... the limited well log to estimate a complete | R (τ , f ) | , G which should be of the same size as S G (τ , f ) in time-frequency domain. There may...
2013
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... the limited well log to estimate a complete | R (τ , f ) | , G which should be of the same size as S G (τ , f ) in time-frequency domain. There may...
2013
Abstract: Restoration of Seismic Amplitude Using a Frequency-Dependent Gain Function, by Weihong Zhu and Khalid O. Al-Rufaii; #90077 (2008)
Search and Discovery.com
2008
Abstract: Land Seismic Data Regularization: Overcoming Urban Acquisition Limitations, by Roy Burnstad and Abdulrahim A. Al-Mubarak; #90105 (2010)
Search and Discovery.com
2010
ABSTRACT: Shaping the Wavelet, by Wang, Yuchun E.; Huo, Shoudong; #90141 (2012)
Search and Discovery.com
2012
ABSTRACT: AVO CASE STUDY IN THE ILLIZI BASIN - ALGERIA; #90016 (2003)
BELLAHCENE Amin, MOUGGARI Ali
Search and Discovery.com
... deconvolution applied in the production processing of the line. In order to remove multiple contamination on the gathers a radar demultiple routine was applied...
2003
Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
... design a suite of surface-consistent matching filters for processing time-lapse seismic data in a surface-consistent manner. The frequency-domain...
Unknown
Bayesian variational auto-encoder for seismic wavelet extraction
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain, tedious tuning of numerous parameters is required to stabilize the process, especially when extraction windows are short. Due to the time...
2023
Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013)
Guangpin Li, Johnathan Linfoot, and Bruce Hobbs
Search and Discovery.com
...Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013) Guangpin Li, Johnathan Linfoot, and Bruce Hobbs 3D...
2013
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)
.... In this work, we present a novel algorithmic solution that leverages the inherent data sparsity of seismic data in the frequency domain by means...
2023
Abstract: Harmonic Decomposition of a Vibroseis Sweep Using Gabor Analysis; #90174 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, and Andrew Barrett
Search and Discovery.com
... (left) and the frequency domain (right) individual results (magenta) of time-dependent Gabor decomposition with respects to the fundamental, H2, H3, H4...
2014
Abstract: A Digital Telemetry System Implementation of the Dual-Sensor, Bottom-Cable Method
F. J. Barr, J. I. Sanders, D. A. Chamberlain
Geological Society of Malaysia (GSM)
... methods to remove the reverberations during processing. In the frequency domain, this phenomenon manifests itself as notches which are introduced...
1991
Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea
Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder
Southeast Asia Petroleum Exploration Society (SEAPEX)
... by Gulunay (1986). F-X prediction operates in the F-X domain on a frequency-by-frequency basis. The data are gated in both time and space...
1990
Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
.... The convolutional operator is denoted by and η (t ) is the additive noise. In the frequency domain equation (1) can be expressed as: = W ( f ) R( f ) + Ν...
2015
Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)
Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann
Search and Discovery.com
... discriminate between signal and noise based on their frequency content (bandpass filter) or they use some sort of prediction filter (F-X deconvolution...
2013
Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)
Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson
Search and Discovery.com
... in the time-frequency domain generalizes Wiener stationary deconvolution; - seismic Q-attenuation may be quickly and accurately modeled using Gabor...
2015