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The AAPG/Datapages Combined Publications Database

Showing 19,842 Results. Searched 196,436 documents.

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Ascending

All that wobbles isnt 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

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 Carbonates„A 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

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