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Showing 212 Results. Searched 195,387 documents.
Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)
Paul F. Anderson
Search and Discovery.com
... higherorder move-out corrections or other brute-force methods to implement (e.g. time-variant trim static). It has been noted that the AVO plus post-stack...
2013
Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)
Paul F. Anderson
Search and Discovery.com
... higherorder move-out corrections or other brute-force methods to implement (e.g. time-variant trim static). It has been noted that the AVO plus post-stack...
2013
Abstract: The Design and Application of Converted-wave COVs; #90187 (2014)
Richard Bale, Tobin Marchand, Keith Wilkinson, and Jeff Deere
Search and Discovery.com
... domain could certainly be extended to more advanced processing methods such as time-variant CCP stacking or to prestack time migration. As for PP...
2014
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... for the reflector and is not time variant NMO, so the data will dip above and below the reflection time (Figure 3). However, it is easy to see this; and some...
2014
Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
...., 1998, Theory of nonstationary linear filtering in the Fourier domain with application to time-variant filtering: Geophysics, 63, 244-259 Raikes...
2014
Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)
Heather J. E. Lloyd and Gary F. Margrave
Search and Discovery.com
... a rough tie of well 12-27 was completed and the seismic data was balanced with a time-variant scaling operator. To create a good tie between the seismic...
2014
Abstract: Innovative QCs for More Effective 4D Processing; #90187 (2014)
Cyril Saint Andre, Benoit Blanco, Christian Hubans, and Benoit Paternoster
Search and Discovery.com
... and monitor (about 10 µs). This computation is fast and leads to a 3D volume where residual time shifts, often time variant, can be observed as in Figure...
2014
3-D Grid Types in Geomodeling and Simulation How the Choice of the Model Container Determines Modeling Results, #40477 (2009)
Jim Thom and Christian Höcker
Search and Discovery.com
.... As understanding of processes grew, it has become apparent that ‘static reservoir properties’ are not static but time-variant, being influenced by phenomena...
2009
Modeling Discrete Fracture Networks in the Tensleep Sandstone: Teapot Dome, Wyoming, #50658 (2012)
Thomas H. Wilson, Valerie Smith, Alan L. Brown, Dengliang Gao
Search and Discovery.com
..., transition lines. The series of processes increases high frequency content and enhances structural details and discontinuities. The process is time...
2012
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
Highlights of 3D Surveys, Offshore Sarawak
H. J. E. Schmidt
Southeast Asia Petroleum Exploration Society (SEAPEX)
... interpretations, special acquisition parameters (dense infill shooting) and special processing routes were attempted. For example, time variant scaling...
1988
VSP Guided Reprocessing and Inversion of Surface Seismic Data
R. Gir, Dominique Pajot, Serge Des Ligneris
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and shaping for each time gate; the filters are then combined to yield a single time-variant filter for the entire interval. For each time gate...
1988
Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction
Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... unphysical negative Q values are obtained. We also apply this method to Barnett shale data, and get promising result. Time-variant Spectral Model When...
2015
Fault Detection From 3-D Seismic Data and Distribution of Conjugate Faults in the Bakken Formation
Ismot Jahan, John Castagna, Michael Murphy
Unconventional Resources Technology Conference (URTEC)
... outside the seismic bandwidth and then spectral balancing was applied to the data. A time-variant structural filter that preserves local geology was applied...
2017
R&D into Time-Lapse 3-D Seismic with Analogue Sandbox Models
Don Sherlock
Petroleum Exploration Society of Australia (PESA)
...R&D into Time-Lapse 3-D Seismic with Analogue Sandbox Models Don Sherlock RESEARCH & DEVElOPMENT R&D Into Time-lapse 3-D Seismic With Analogue...
1999
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
Benchmarking Operator Performance in the Williston Basin using a Predictive Machine Learning Model
T. Cross, K. Sathaye, K. Darnell, D. Niederhut, K. Crifasi
Unconventional Resources Technology Conference (URTEC)
... knowable when the well was URTeC 2750 11 fracked -- completions, spacing, and geology. Notably, time-variant and operational features were...
2020
A Technology to Extract Lithology, Porosity and Hydrocarbon Content from Conventional Seismic Data
Roger A. Young
GCAGS Transactions
... a different distribution of offsets making them spatially variant. Stacks are also time variant as the average incidence angle is influenced by the mute...
1999
Sand Volcanoes of the Carboniferous Ross Formation, County Clare, Western Ireland: 3-D Internal Sedimentary Structure and Formation
J. K. Pringle, A. R. Westerman, D. A. Stanbrook, D. I. Tatum, A. R. Gardiner
AAPG Special Volumes
...) and more sophisticated time variant, spectral balance filters to optimize GPR image quality while preserving relative amplitudes (see Pringle et al...
2007
Two-Dimensional Geophysical Workstation Interpretation: Generic Problems and Solutions: Part 8. Integrated Computer Methods
Joe D. Stevens, Carl A. Marrullier
AAPG Special Volumes
... to that horizon, thus allowing for time variant adjustments. These conveniences allow the explorationist to concentrate on interpretation and decision...
1992
Evidence of Post-Pleistocene Faults on New Jersey Atlantic Outer Continental Shelf: GEOLOGIC NOTES
R. E. Sheridan , H. J. Knebel
AAPG Bulletin
... true-amplitude recovery, normal-moveout correction, vertical summation of 2 on 1, CDP-gather velocity analysis at every 3-km spacing, time-variant...
1976
Abstract: Q Estimation by a Match-filter Method; #90174 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... with application to time-variant filtering: Geophysics, 63, 244-259 Patton, S. W., 1988, Robust and least-squares estimation of acoustic attenuation from...
2014
Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)
Amr Ibrahim
Search and Discovery.com
... in the frequency domain. Unfortunately, the best Radon basis that fit the data use hyperbolic or apex shifted hyperbolic travel times which are time variant and so...
2015
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
... FWI iteration, which apply specific wavelets to different OBC shots and streamer shots. In FWI iteration, time-variant phase shifting is implemented...
2023
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
.... Velocity replacement time-variant correction are calculated and applied to prestack gathers. This allows us to significantly remove the influence...
2015