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The AAPG/Datapages Combined Publications Database

Showing 234 Results. Searched 200,691 documents.

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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

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

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