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The AAPG/Datapages Combined Publications Database
Showing 73,276 Results. Searched 200,691 documents.
Wave Modeling and Hydrodynamics
J. Ian Collins
Special Publications of SEPM
... is ware namely gT2 L Mathematically continuity 72 I boundary condition w function of depth and period follows 4 T the problem of linear wave...
1987
Chalk porosity and sonic velocity versus burial depth: Influence of fluid pressure, hydrocarbons, and mineralogy
Ida L. Fabricius, Lars Gommesen, Anette Krogsboll, Dan Olsen
AAPG Bulletin
...). The modeled porosity and velocity-depth trends are thus stress controlled and seem to be related, as would be expected from the almost linear observed...
2008
Elastic Wave Propagation in Fractured Media Using the Discontinuous Galerkin Method
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
...Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison Tan Boon Hua...
2011
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... reflection angles are retained in processing for studies such as amplitude variation with offset (AVO) and depth conversion velocity analysis. Anisotropic...
2000
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... (Crampin, 1981). Using P-wave NMO velocity variation with azimuth (VVAZ), fracture orientation is considered to be in the direction of the fast P-wave...
2014
VTI anisotropic stiffness tensor logging: A case study
Kristoffer Walker, Alexei Bolshakov, Gama Firdaus, Tim Fischer, Luca Duranti, Luisa Crousse, Mason Edwards
International Meeting for Applied Geoscience and Energy (IMAGE)
... a workflow is provided for obtaining Thomsen VTI parameters (ϵ, γ, and δ) as a function of depth. First, highresolution sonic log processing reduces thin...
2024
Near-Shore Ripples: Some Hydraulic Relationships
A. S. Trenhaile
Journal of Sedimentary Research (SEPM)
... well explained of the ripple parameters investigated, although velocity was shown to be related to water depth and wave height. BAGNOLD, R. A., 1946...
1973
Design and Calibration of a Photo-extinction Settling Tube for Grain Size Analysis
Asahiko Taira , Peter A. Scholle
Journal of Sedimentary Research (SEPM)
... particle in a given depositional environment is usually controlled by its settling velocity, this being a function of its volume, density, and shape...
1977
Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).
Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti
Search and Discovery.com
... took the velocity model that was used to generate the seismic traces (Figure 1a) and we mapped the velocity into the resistivity using the values...
2018
The Seismic and Geological Definition of a Reef
R. A. Maxwell, W. Thomsen, F. Wilson
Oklahoma City Geological Society
... VELOCITY CURVES FROM DYNAMIC PLOTS Figure 7. INTERVAL VELOCITY COMPARISON End_Page 270------------------------ Figure 8. DEPTH SECTION Figure 9...
1973
DAS dispersion image analysis for landslide monitoring
Steve Cole, Paul Clarkson, Martin Karrenbach, Victor Yartsev
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The surface waves exhibit dispersion, where their frequency content changes as a function of velocity. Lower frequencies penetrate to greater depths...
2022
Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada
M. W. Lee, T. S. Collett, W. F. Agena
AAPG Special Volumes
... sediments in the depth interval 600900 m (19682953 ft) is estimated to be approximately 65 using equation 4, with the interval velocity of 2100 m...
2009
Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)
Yongwang Ma and Gary Margrave
Search and Discovery.com
... migration algorithm using the Gabor transform with application to the Marmousi acoustic dataset. The imaging results show a very promising depth imaging...
2015
ABSTRACT: An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, by Moreno, Hector M.; Minshull, Tim A.; Edwards, Rosemary A.; #90135 (2011)
Search and Discovery.com
2011
Discharge-Sediment Dynamics of the Lower Mississippi River
Joann Mossa
GCAGS Transactions
... between discharge and the sediment characteristics and their downstream variations in the lower Mississippi River were examined using a linear least...
1988
A Review of Petrophysics of Cooper Basin Reservoirs in South Australia
Chris Porter
Petroleum Exploration Society of Australia (PESA)
.../ Eromanga sequence Vsh is not a linear function of GR response. In fact, under the heading 'Cation exchange capacity' Morton stated: However, as Figure 11...
1990
Dynamics of Bedforms in the Lower Mississippi River
David J. Harbor
Journal of Sedimentary Research (SEPM)
..., whereas others are more rounded and symmetrical. Despite the great depth and velocity (Table 1), all of the bedforms plot in the dune field using...
1998
High-resolution seismic reservoir monitoring with multitask and transfer learning
Ahmed M. Ahmed, Ilya Tsvankin, Yanhua Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... features of the network include adjustments to accommodate larger models and optimization of the activation function [Gaussian Error Linear Unit (GELU...
2024
Kriging-based surrogate models for convergence acceleration of Markov chains: An example of magnetotellurics-dix joint inversion
Alejandro Quiaro, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... function depending on lithologic variations. In this petrophysical relationship, the assumption is that the velocity is a function of depth and lithology...
2024
Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)
Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin
Search and Discovery.com
...Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013) Darren Hinks, Tom Cox, Stephanie...
2013
Loss of Capacity, Not Competence, As the Fundamental Process Governing Deposition from Turbidity Currents
Richard N. Hiscott
Journal of Sedimentary Research (SEPM)
... initial suspended load to coincide with the onset of deposition from a turbidity current with a specified shear velocity and flow depth. Simulated...
1994
Seismic Signature of CO2 Flooding in Tuscaloosa Sandstone; #40942 (2012)
Avinash Mohapatra, Chandra S. Rai, Carl Sondergeld, and Trevor L. Richards
Search and Discovery.com
... velocity measurements as a function of effective pressure showed Biot effective pressure coefficient (n) is approximately equal to 1.0 and independent...
2012
Hydromechanical Principles of Sediment Structure Formation
L.I. Briggs, G. V. Middleton
Special Publications of SEPM
... OF SEDIMENT FORMATION diffusion or exchange of momentum 3 1000 It is found experimentally that when the velocity or depth is large...
1960
Computer Modeling of the Evolution of Fluvial Systems
Mark R. Vining
GCAGS Transactions
... by minor groundwater interaction. Flow depth and velocity are calculated from discharge and bed roughness using the von Karman frictional flow equation...
1998