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The AAPG/Datapages Combined Publications Database
Showing 212 Results. Searched 195,405 documents.
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
..., in practice, attempts are first made to estimate a Q-model for the subsurface. Inverse Q-filtering is then carried out, removing the time-variant...
2015
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
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... in the frequency domain. Here, we lay out the framework for vector (multi-component) dip filtering that handles non stationary naturally in both the time...
2014
Abstract: Nonlinear AR Modeling Using Second Order Volterra Filters; #90211 (2015)
Soner Bekleric and Mauricio Sacchi
Search and Discovery.com
... inves tigate the possibility of using non-linear filtering for prediction error filtering of time-variant seismic signals and for FX noise reduction...
2015
2012
Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology
Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah
Indonesian Petroleum Association
... into the dataset after inverse Kirchhoff migration application. After some iterations, forward Kirchhoff migration and multi spatial time-variant...
2020
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
ABSTRACT: CRUSTAL-SCALE IMAGING OF THE ABSHERON RIDGE (SOUTH CASPIAN SEA) REVEALED BY DEEP SEISMIC REFLECTION PROFILING; #90024 (2004)
Camelia C. Diaconescu, James H. Knapp, John Connor
Search and Discovery.com
..., including predictive deconvolution, T-p filtering, and a time-variant gain function, was focused on removal of abundant multiple energy and enhancement...
2004
ABSTRACT: Seismic detection of faults and fractures; #90136 (2011)
Santinder Chopra
Search and Discovery.com
... decomposition-based inversion for seismic reflectivity, a process that removes the time-variant wavelet from the seismic data and extracts the reflectivity...
2011
Data Enhancement from a 486-Channel Streamer
Bill Dragoset, Ken Larner
Pacific Section of AAPG
... identically. The processing included geometric spreading correction, unit-distance predictive deconvolution, CDP stacking, time-variant frequency...
1980
Geologic/Geophysical Study of Fluvial Delta in Offshore Louisiana: ABSTRACT
John E. Jordan, Jr.
AAPG Bulletin
.... These reflection coefficients were then filtered using a time-variant filter. The depositional model was constructed on the basis of the correlation...
1981
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... model yields a filter operator that compensates the attenuated energy of signal in a time-variant manner. A mathematical model of frequency attenuation...
2004
Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement
Mauricio D. Sacchi
Search and Discovery.com
... and parabolic paths (for a frequency domain implementation) and linear and hyperbolic paths (for a time-variant/time domain numerical implementation...
Unknown
Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement
Mauricio D. Sacchi
Search and Discovery.com
... and parabolic paths (for a frequency domain implementation) and linear and hyperbolic paths (for a time-variant/time domain numerical implementation...
Unknown
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
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
Comparison of seismic resolution enhancement techniques: Spectral extrapolation vs spectral balancing
Charles I. Puryear
International Meeting for Applied Geoscience and Energy (IMAGE)
... on high resolution well tie). Finally, structural filtering, an effective technique for removing noise along reflectors, was implemented using a dip-guided...
2023
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... variation of differential residual moveout. Specifically, we calculate the time-variant trim statics at the top and the bottom of the target...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... variation of differential residual moveout. Specifically, we calculate the time-variant trim statics at the top and the bottom of the target...
Unknown
New Data Reveals Sub-Salt Levantine Basin
Øystein Lie, Per Helge Semb
GEO ExPro Magazine
... SRME, high resolution Radon demultiple, multiple diffraction attenuation, f-x deconvolution, Q-compensation, time-variant filtering, Kirchhoff PSTM...
2009
Abstract: Stabilizing Seismic Absorption Compensation; #90171 (2013)
Changjun Zhang
Search and Discovery.com
... modeling is composed of the time-variant wavelets. The de-absorption is solved by an iterative conjugate gradient approach. This scheme is tested on both...
2013
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
.... References Margarve G. F., 1998, Theory of nonstationary linear filtering in the Fourier domain with application to time-variant filtering: Geophysics, 63...
2013
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
.... References Margarve G. F., 1998, Theory of nonstationary linear filtering in the Fourier domain with application to time-variant filtering: Geophysics, 63...
2013
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... into account the interval velocity as a function of migrated time. This "time-variant DMO" resolves both raypath multivaluedness and explicit dip...
1987
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