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The AAPG/Datapages Combined Publications Database

Showing 34,775 Results. Searched 200,616 documents.

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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

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