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The AAPG/Datapages Combined Publications Database
Showing 234 Results. Searched 200,691 documents.
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
3-D Seismic Workflows Developed to Evaluate Out-of-Zone and Stealth Zone Microseismic Behaviors: Marcellus Shale, Central Appalachians, USA
Search and Discovery.com
N/A
Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison
Tan Boon Hua, Lothar Schulte
Indonesian Petroleum Association
... unchallenged. However in many situations, a velocity model based on a time variant filtering of the stacking velocities may deliver results similar to the PSDM...
2011
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
Abstracts: Making New with Old: Reprocessing Vintage Seismic Data from the Western Arctic Islands using Modern Methods; #90173 (2015)
Mathieu J. Duchesne, Virginia I. Brake, and Tom Brent
Search and Discovery.com
...) processed stack section from 2011 using RMS ensemble trace scaling, FK-FX filtering, time-variant Ormsby filtering and Kirchhoff post-stack time...
2015
Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data
Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin
Indonesian Petroleum Association
...) Frequency Filtering Sorting CSG to CRG Deconvolution Header Input TVSB ( Time Variant Spectral Balancing ) Frequency Filtering Velocity Analysis...
2017
3-D Seismic Workflows Developed to Evaluate Out-of-Zone and Stealth Zone Microseismic Behaviors: Marcellus Shale, Central Appalachians, USA, #41395 (2014).
Tom Wilson, Ariel K. Hart, Peter Sullivan
Search and Discovery.com
... using time-variant trace amplitude slicing and differential attenuation (t*attenuation) computations. Amplitude slicing uses absolute values of trace...
2014
Structural Interpretation of the Table Rock Area 3-D Survey, Sweetwater County, Wyoming
Cynthia B. Russell, Donald S. Stone
Rocky Mountain Association of Geologists
.... Velocity Analysis one mile grid 19. Time Variant Frequency Filtering 10. MISER Automatic Statics 20. Random Noise Attenuation subcrop map. Closely...
1995
Passive Margins: Eroded Carbonate Platform Margin--The Blake Escarpment off Southeastern United States
William P. Dillon, Anne M. Trehu, Page C. Valentine, and Mahlon M. Ball
AAPG Special Volumes
...-point stack, poststack time-variant deconvolution, and time-variant filtering and scaling. This processing resulted in the records of Figures 7 and 8...
1987
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... by a number that increases with time. The exact time variant multiplier can be based on the theoretical concept of spherical spreading (related to the square...
1992
Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)
Norm Kalmanovitch
Search and Discovery.com
... source for VIBROSEIS data, as well as some sort of scaling to balance the amplitude of the traces. It is critical that no time variant processes...
2014
Sub-L1 norm regularized inversion deblending in local 3D FK domain for ocean-bottom node data
Jun Sun, Zhaojun Liu, Manhong Guo, Graeme Stock, Bin Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... sub-L1 norm for regularization in the objective function, the Iterative Shrinkage-Thresholding Algorithm (ISTA) to solve for the deblended model, and time...
2022
Active Margin: Volcanics, North Island, New Zealand
D. Bradford Macurda, Jr.
AAPG Special Volumes
... ms Max Pred Lag: 236 ms TIME VARIANT FILTERING WAVE EQUATION MIGRATION References Hatherton, T., F.J. Davey, and T.M. Hunt, 1979, Geophysical...
1987
Simplicity at Its Best: Estimating Depth Uncertainty at the Wiriagar Deep Paleocene Field, Eastern Indonesia
Made Susantha, Imam S. Harun
Indonesian Petroleum Association
... and time-variant manner. Individual reservoir sands are difficult to map, but bounding surfaces at Near Top Paleocene and Base of Late Cretaceous were...
2018
No Slide Title
Search and Discovery.com
N/A
Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field
C. R. Willingham, A. S. Wylie Jr., D. J. Underwood
Pacific Section of AAPG
... Migration Velocity Analysis NMO application Muting Stack TAU-P (Noise reduction) Digial Filter - time variant Trace scaling: AGC = 500 ms...
2001
Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming
David J. Taylor
Wyoming Geological Association
... Residual Statics Corrections (as required) Time Variant Bandpass Filtering Signal Enhancement This processing sequence yielded seismic sections...
1998
Geology and Discovery of Prudhoe Bay Field, Eastern Arctic Slope, Alaska: Case Histories
Dean L. Morgridge, William B. Smith Jr.
AAPG Special Volumes
... possible by deconvolution and time-variant filtering of digital reprocessing. Insert at bottom is diagram of truncation details as interpreted from...
1972
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: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)
Todor I. Todorov, Gary F. Margrave
Search and Discovery.com
... filtering in the Fourier domain with application to time-variant filtering: Geophysics, 63, 244-259. Margrave, G., and Lamoureux, M., 2001, Gabor...
2014
Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico
William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.
AAPG Special Volumes
... program. Before the final time variant filtering, wave equation migration and a filter test were run. As a final step, velocity (fan or dip) filtering...
1986
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
A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition
Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
...n with high-resolution time-variant Radon transforms: Geophysics, 67, 644– 656, doi: https://doi.org/10.1190/1.1468626. Wang, X. K., J. Y. Chen, L. Ga...
2024
Enhancing conventional VSP data to broadband and its quantitative improvement on lookahead inversion
Hussain Almarzooq
International Meeting for Applied Geoscience and Energy (IMAGE)
... estimate a time-variant Q from the VSP data since it covers the entire well (figure 1). These picks are made so that they match both the attenuation...
2022