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The AAPG/Datapages Combined Publications Database

Showing 206 Results. Searched 191,775 documents.

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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

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

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

Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)

Carlos Montana and Gary Margrave

Search and Discovery.com

... with application to time-variant filtering: Geophysics, v. 63, p. 244-259. Datapages/Search and Discovery Article #90211 CSPG© 2015 CSPG/CSEG/CWLS...

2015

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