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The AAPG/Datapages Combined Publications Database
Showing 34,775 Results. Searched 200,616 documents.
Petrophysical Classification of Siliciclastics for Lithology and Porosity Prediction from Seismic Velocities (1)
LEV VERNIK and AMOS NUR
AAPG Bulletin
..., 1974, Velocity and attenuation of seismic waves in two-phase media, I: theoretical formulation: Geophysics, v. 39, p. 587-606. Lo, T. W., K. B...
1992
Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic
Milos Cvetkovic, Francisco Colina, TGS
GEO ExPro Magazine
...-Client seismic Figure 1: Arbitrary line from Fast Track TTI KPSDM stack overlaid with velocity model. Fast Track velocity model follows geological...
2024
2.3 Detached Sediments in Extensional Provinces: 2.3.2 Salt Tectonics: Reflection Profiles Across the Aquitaine Basin (Salt Tectonics)
R. Curnelle and R. Marco
AAPG Special Volumes
..." of the structure are related to a deep structural feature causing doming during the Albe-Aptian extensional phase. 3. The Pyreneen compressional phase was very...
1983
The Interpretation of Vertical Sequences in Turbidite Beds: The Influence of Longitudinal Flow Structure
Benjamin C. Kneller, William D. McCaffrey
Journal of Sedimentary Research (SEPM)
... of a bed is generally an indication of the longitudinal velocity structure of the flow, and longitudinal gradients in suspended sediment concentration...
2003
All Eyes are on Denmark
William Reid, Emily Kay, Karen Romand
GEO ExPro Magazine
... in this article is an enhanced fast track version, with velocity model building (VMB) complete down to base chalk. The aim of this phase was to combine...
2019
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... result is an apparent phase lead or phase lag relative to the geophone result. Introduction and Theory A transfer function is given by the form B A H...
Unknown
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... result is an apparent phase lead or phase lag relative to the geophone result. Introduction and Theory A transfer function is given by the form B A H...
Unknown
Elastic FWI application to a land data set in the Middle East
Anna Sedova, Olivier Leblanc, Thibaut Allemand, Gilles Lambar, Stphane Pellerin, Daniela Donno
International Meeting for Applied Geoscience and Energy (IMAGE)
... is critical to avoid most of the phase differences caused by elastic effects. vertical resolution of the resulting shallow velocity model. For real data...
2022
Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico
Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons
International Meeting for Applied Geoscience and Energy (IMAGE)
... al., 2018). Faster turnaround time in hydrocarbon exploration can have significant business impact by reducing the overall number of manual velocity...
2022
Time-lapse full-waveform inversion strategies for Snowflake datasets acquired at Newell County Facility in Alberta, Canada
Hyeong-Geun Ji, Kristopher A. Innanen, Sea-Eun Park, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
... these processes, we have concluded that the velocity drops due to injected CO2 are well detected from Snowflake datasets using FWI with the parallel...
2024
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
...), where phase angles remain at 45o and P and Sv velocities are equal. The converted wave reaches the same velocity at group angle of ca. 65o but does...
2023
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... geology. Velocity filtering and the redundancy provided by recording with high degrees of multiplicity permit the attenuation of many types...
1977
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... other attributes, such as polarity, frequency, phase, velocity, and the like, is to enhance the interpretability through added data. (Author's Note...
1978
Statistical depth imaging through complex cluttered near-surface with path summation
Andrey Bakulin, Ilya Silvestrov, Maxim Protasov
International Meeting for Applied Geoscience and Energy (IMAGE)
... al., 2016; Bakulin et al., 2020). While the imperfections in the migration velocity model cause substantial phase errors preventing the extrapolated...
2022
Santos Vision: Innovative Seismic Data Processing in a Super Giant Oil Basin
Hermann Lebit, Sriram Arasanipalai, Jeff Tilton, Pascal Ollagnon, PGS
GEO ExPro Magazine
... the 34,000 km2 of the Santos Vision program and including the outline of the next phase extension. The survey covers the São Paulo Plateau, which hosts huge...
2019
Abstract: Pore Geometry and Pore-Fluid Types: Effects on Seismic Properties of Carbonate Rocks Under a Compaction Disequilibrium Scenario; #90224 (2015)
Gautier Njiekak and Douglas R. Schmitt
Search and Discovery.com
... the velocity during phase 1, whereas the bulk and shear moduli dominate over the bulk density for the control of Vp and Vs, respectively, during the phase 2...
2015
Wave and Bottom Sediment Interactions over a Submerged Sand Bank during the Winter Cold-Front Season, Western Louisiana
Daijiro Kobashi, Felix Jose, Gregory Stone
GCAGS Transactions
... sediment re-suspension rather than currents, during cold front and post-frontal phases that occurred during the deployment. Shear velocity and turbidity...
2006
Passive Margins: Interpretation of West Africa Line C
R. Sheriff
AAPG Special Volumes
... to zero-phase by wavelet processing. 2. Amplitudes are preserved (the original processing used an automatic gain control). 3. The reprocessed data...
1987
Flume Experiments on Lower-Flow-Regime Bed Forms in Coarse Sand
Warren R. Costello, John B. Southard
Journal of Sedimentary Research (SEPM)
... high enough to reach the well-known transition from dunes to the high-flow-velocity flat-bed phase in the upper flow regime. Nor were Froude numbers high...
1981
New Fullbore Production Logging Sensor Improves the Evaluation of Production in Deviated and Horizontal Wells
Calvin Kessler, Gary Frisch
Indonesian Petroleum Association
... with a diverter/basket flowmeter. The downhole flow rates for each phase are determined from the fluid velocity, the holdup of each phase, and the interphase...
1995
Seismic imaging in shallow water: where are we at and where might we be going?
Henry A. Debens, Robert Eliott-Lockhart, Jennifer Moss
Australian Energy Producers Journal
... Barossa-3. Each of the first three panels was imaged at 40 Hz using an acoustic 32 Hz FWI velocity model generated during Phase 2a. The LS-RTM section...
2025
Abstract: 3D Seismic Imaging in the Pakistan Foothills: A Case History; #90172 (2014)
Victor Dolgov, Rob Vestrum, Jon Gittins, Géza Wittman
Search and Discovery.com
... types needed to be phase-matched before the two surveys could be merged together. Figure 2a shows the source and receiver layout of the two surveys...
2014
Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting
Weidi Koh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... to amplitude versus offset and phase compliance, including customised flows to overcome a paucity of well control in this frontier area. Optimised...
2017
XI. Bibliography
Norman S. Neidell
AAPG Special Volumes
... of One-Sided Signals", Geophysics, Vol. 38, pp. 657-672, 1973 "Related Properties of Minimum-Phase and Zero-Phase Time Functions", Geophys. Prosp., V...
1979
Shallow Seismic Survey on Weeks Island, Louisiana ... an Attempt to Define "Top of Salt"
G. L. Kinsland , A. W. Rutter III
GCAGS Transactions
... impedance contrast exists at the clastic sediment/salt interface by virtue of the strong velocity contrast between the shallow clastic sediments...
1994