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The AAPG/Datapages Combined Publications Database
Showing 222 Results. Searched 197,348 documents.
Comparison of seismic resolution enhancement techniques: Spectral extrapolation vs spectral balancing
Charles I. Puryear
International Meeting for Applied Geoscience and Energy (IMAGE)
... extrapolation using spectral inversion (Puryear et al, 2023) was also implemented; this process (Figure 2) combines time-variant Figure 2: Spectral...
2023
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
..., and these windowed zones often exhibit phase distortions at the point of overlap. Time-variant spectral whitening: The other method is to use time-variant...
2015
2012
Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... and array corrections. Typically these workflows apply time and offset variant corrections in an attempt to compensate for the earth filter. Several...
2013
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... that includes t-squared scaling, predictive deconvolution, time-variant spectral whitening, near-surface corrections and f-x dip filtering. distance along...
2008
Acquisition Footprint Removal for Better Fault and Curvature Attributes, by Satinder Chopra, Kurt J. Marfurt, and Somanath Misra, #40719 (2011).
Search and Discovery.com
2011
Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... to enhance the frequency content of the seismic data. Starting with the application of the traditional time-variant spectral whitening, which might distort...
2020
Abstract: Stabilizing Seismic Absorption Compensation; #90171 (2013)
Changjun Zhang
Search and Discovery.com
.... Extract Q profile by using windowed time-variant spectral analysis (Zhang, 2002), 2. Do pure phase correction, 3. Extract a zero phase seismic wavelet...
2013
Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)
Norm Kalmanovitch
Search and Discovery.com
... such as time variant spectral whitening are applied, because processes that do not conform to convolution make the data less suitable for match filter...
2014
Seismic Spectral Signatures of the Badak Oil and Gas Field, Onshore Kutei Basin, Kalimantan, Indonesia: An Example of Seismic Reservoir Imaging and Characterization
Arif Wibowo, Jeff Towart, James Dirstein, Maher Maklad
Indonesian Petroleum Association
... is required when using data modified with spectral whitening and time variant processes. Spectral shaping, on the other hand, can often be used advantageously...
1999
Clari-Fi: Broadband Data from Conventional Streamer Acquisition
Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS
GEO ExPro Magazine
... noise. Techniques employed include coherent noise attenuation using a time and space variant f-x apparent velocity dip filter; several iterations...
2012
Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)
Igor B. Morozov and Jinfeng Ma
Search and Discovery.com
... time-variant spectral whitening: 1) Build the desired AI series from the seismic trace and from the well log, e.g., by using eqs. (2). 2) Define...
2013
Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir
Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte
GCAGS Transactions
...), and time-variant spectral whitening. Although time-variant AGC may be considered inappropriate in amplitude preservation processing (Yilmaz, 2001...
2002
Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
... reprocessing steps included refraction static correction, true-amplitude recovery, surface-consistent deconvolution (SCD), time-variant spectral whitening...
2013
Abstract: Multi-Vintage, Pre-Stack Calibration of 3-C 3-D Time-Lapse Seismic Data; #90171 (2013)
Igor B. Morozov and Le Gao
Search and Discovery.com
... deconvolution or spectral whitening. At the second stage, pre-stack records can be calibrated within each of the multi-component, multi-vintage ensembles...
2013
Coherence Attribute Applications on Seismic Data in Various Guises
Satinder Chopra, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
... is carried out on seismic data, it yields the spectral magnitude and phase at each time-frequency sample. The spectral URTeC 2886034 3 magnitude...
2018
High-Resolution Deconvolution with Sparsity and Lateral Continuity Constraints
Juefu Wang
Search and Discovery.com
... be applied poststack (i.e., after surfaceconsistent deconvolution and time-variant spectral whitening have been run in an effort to remove trace...
Unknown
High-Resolution Deconvolution with Sparsity and Lateral Continuity Constraints
Juefu Wang
Search and Discovery.com
... be applied poststack (i.e., after surfaceconsistent deconvolution and time-variant spectral whitening have been run in an effort to remove trace...
Unknown
Inversion and Interpretation of Multicomponent Seismic Data: Willesden Green Field, Alberta; #20293 (2015)
Roxana M. Varga, John C. Bancroft, Robert R. Stewart
Search and Discovery.com
...-variant spectral whitening, refraction statics, trim statics, CDP stack and migration. The processing flow for the PS section included asymptotic CDP...
2015
Abstract: Delineating Sand Channels using 3D-3C Seismic Data: Manitou Lake Heavy Oilfield, Saskatchewan; #90171 (2013)
Roxana M. Varga and Robert R. Stewart
Search and Discovery.com
.... The processing flow for Manitou Lake data includes deconvolution, time-variant spectral whitening and FD migration after stack. Rock properties In this study...
2013
Structural Interpretation of the Table Rock Area 3-D Survey, Sweetwater County, Wyoming
Cynthia B. Russell, Donald S. Stone
Rocky Mountain Association of Geologists
... FLOW 1. Format Conversion 11. Time Variant Spectral Whitening 2. 3-D Geometry Description 12. Model Based Wavelet Processing 3. Amplitude Recovery...
1995
Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)
Chuck Ursenbach, Peter Cary, and Mike Perz
Search and Discovery.com
... nonstationary spectral broadening (and narrowing) of PS data after it has been mapped into the PP time domain. We present a study which investigates...
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
... the reflectivity color into temporal color and spectral color, which captures the time variant features and frequency variant features of the Gabor spectrum...
2015
Early 3-D Seismic Exploration for Winnipegosis Pinnacle Reefs in the US, Williston Basin
Donald A. Greenwood, James A. Carroll, Donald W. Howard
Rocky Mountain Association of Geologists
... a conventional sequence of statics, spectral whitening, velocity analysis, migration, time-variant filtering (TVF), and automatic gain control (AGC). Processing...
1995
Seismic Interpretation of the Wyoming Overthrust Belt
W.D. Williams, J.S. Dixon
Rocky Mountain Association of Geologists
... Instrument dephase, time variant filter, spectral whitening, surface consistent statics, migration 1 I Williams and Dixon Wyoming Overthrust Belt...
1985