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The AAPG/Datapages Combined Publications Database
Showing 19,842 Results. Searched 196,436 documents.
All that wobbles isnt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... of the acquired data during the PreSDM velocity model building, it was possible to correct for most of the variation simply with a laterally variable...
2019
Forward modeling for arbitrary irregular free-surface based on body-fitted grid
Erxiang Wei, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... irregular free-surface, and then derive the firstorder velocity-stress elastic wave equations in a curvilinear coordinate system by discretizing the model...
2023
Imaging the presalt with elastic FWI using OBN data
Gabriel Brando, Benjamin Huard, Luis Cypriano
International Meeting for Applied Geoscience and Energy (IMAGE)
... invert for P-wave velocity while assuming a fixed relation to S-wave velocity. Well data was used to evaluate the accuracy of the obtained velocities...
2023
Can Sparse OBN Equal Savings and Data Quality?
Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION
GEO ExPro Magazine
... wave energy. However, a relatively coarse source-receiver distribution is still able to produce a high quality velocity model. In c) d) our...
2021
Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling
J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau
AAPG Special Volumes
... the medium of interest, which may be a hydrocarbon reservoir. From this data, the velocity of propagation of the seismic wave at each point...
1991
Mainstream Mantle Convection: a Geologic Analysis of Plate Motion: DISCUSSION
Z. F. Danes
AAPG Bulletin
... magnitude. However, the mechanism here proposed is different: earth tides result in a wave traveling, always in the same direction, along the equatorial...
1973
Abstract: Measuring the Anisotropy of Salt in the Mahogany Oil Field, Gulf of Mexico, by D. G. Raymer, J-M. Kendall, G. J. Beaudoin, M. C. Mueller, and R. R. Kendall; #90923 (1999)
Search and Discovery.com
1999
Experience in the Use of Seismic Stations with Magnetic Recording
B. I. Bespyatov, A. I. Khramoy
Petroleum Geology: A Digest of Russian Literature
... velocity (v* = 200 to 500 m per sec). One of the important stages of study of the wave picture is the determination of the relative intensities of waves...
1960
Imaging of Fractured Reservoirs Using the EVA Tool
P. C. Arditty, F. Schein, Ph. Staron
Indonesian Petroleum Association
... 2. Example of a recorded trace : the 3 types of waves (P, S, Stoneley) are visible the compressional or P wave, with the highest velocity...
1988
Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)
Draga A. Talinga, Don C. Lawton
Search and Discovery.com
... of Calgary, Alberta, Canada [email protected] and Don C. Lawton University of Calgary, Alberta, Canada Summary Fracture analyses from 3D P-wave data were...
2014
Abstract: Array Analysis of Surface Microseismic Data from the Rolla Microseismic Experiment; #90174 (2014)
Katarina Seckarova and David W. Eaton
Search and Discovery.com
... which 30 events were analyzed to determine backazimuth and apparent velocity. This was accomplished by using a velocity analysis procedures similar...
2014
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... is utilized to determine an explicit formula for azimuthally-dependent NMO velocity in a HTI layered media with depth-varying orientation...
Unknown
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... is utilized to determine an explicit formula for azimuthally-dependent NMO velocity in a HTI layered media with depth-varying orientation...
Unknown
Acoustic and Related Properties of Calcareous Deep-Sea Sediments
Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer
Journal of Sedimentary Research (SEPM)
... ). Compressional Wave (Sound) Velocity In predicting sound velocity in sediment it is usual practice to use an easily derived index such as mean grain size...
1982
Simultaneous Measurement of Acoustic and Electrical Anisotropy of Shales under Elevated Pressure: A Preliminary Study, #41965 (2016).
Liwei Ou, Qifei Niu, Manika Prasad, John Quirein, Natasa Mekic, Junsheng Hou, Mehdi E. Far, Ming Gu
Search and Discovery.com
... velocity anisotropy • Acoustic wave attenuation anisotropy • Complex conductivity anisotropy The results of the shale samples show an inverse correlation...
2016
Abstracts: Improved Near-surface Velocity Models from 2D Waveform Tomography of Vibroseis First-arrival Data; #90173 (2015)
Brendan R. Smithyman and Ronald M. Clowes
Search and Discovery.com
... and improves the velocity models produced by diving-wave tomography alone. However, this method is primarily useful because of its reduced...
2015
Analysis and Integration of Well Logs and Ultrasonic Velocities of Productive Facies in the Upper Viola Formation in Southwestern Kansas; #11110 (2018)
William K. Hagood, Victor Cimino, Matthew Totten, Abdelmoneam Raef
Search and Discovery.com
... Porosity, Density Porosity, and lab measured P-Wave velocity of a core from the Rich C-7 well. Lab measurements of the Rich C-7 core were done...
2018
Sonic Velocity in CarbonatesA Combined Product of Depositional Lithology and Diagenetic Alterations
Flavio S. Anselmetti, Gregor P. Eberli
Special Publications of SEPM
... as with lithological parameters and 3500 mwhich wave s s wave Compressional velocity Vp ranges between 1900 and 6400 mand shear velocity Vs between 1000 were...
2001
Iterative Modeling and Imaging of Seismic Data in Depth to Help Delineate Petroleum Reservoirs in the Utah Overthrust Belt
Alvin K. Benson
Utah Geological Association
... waves which are refracted, reflected, and superimposed. At rock boundaries, the elastic impedance (the product of rock density and velocity of wave...
1991
Multicomponent Seismic Technology Assessment of Fluid-gas Expulsion Geology and Gas-hydrate Systems: Gulf of Mexico
B. A. Hardage, P. E. Murray, R. Remington, M. De Angelo, D. Sava, H. H. Roberts, W. Shedd, J. Hunt Jr.
AAPG Special Volumes
... of compressional wave velocity (Vp), shear wave velocity (Vs), and Vp/Vs velocity attributes within the strata of each near-sea-floor system were similar. High...
2009
The Development of a New Method of Seismic Velocity Determination
F. P. Kokesh
GCAGS Transactions
...The Development of a New Method of Seismic Velocity Determination F. P. Kokesh 1951 Vol. 1 (1951), 1) John W. Daly - "Velocity Information Needed...
1951
Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)
Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly
Geological Society of Malaysia (GSM)
... was derived based on the well data to estimate the density from the P-wave velocity (Gardner et. al., 1974). This relation is applied to the new calibrated...
2008
Directional Relationships Between Primary Structures and Current Systems in a Tide-Dominated Environment: ABSTRACT
George DeV. Klein
AAPG Bulletin
... influences on the orientation of these directional current structures. Tidal currents flow at an average velocity of 1.3 knots during flood stage and 1.5...
1966