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The AAPG/Datapages Combined Publications Database
Showing 34,457 Results. Searched 200,357 documents.
The importance of viscoelastic waveform inversion in VSP: Synthetic studies
Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... of velocity inversion is critical in the case of vertical seismic profile (VSP) processing, not only in relation to waveform inversion, but also at the more...
2022
SYNTHETIC SEISMOGRAMS
Search and Discovery.com
N/A
Combined elastic FWI of accelerometer and DAS VSP data from a CO2 sequestration test site in Newell County, Alberta
Matthew Eaid, Scott Keating, Kristopher Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
...Combined elastic FWI of accelerometer and DAS VSP data from a CO2 sequestration test site in Newell County, Alberta Matthew Eaid, Scott Keating...
2022
Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)
Dong Shi, Ramin Saleh, Bernd Milkereit
Search and Discovery.com
... is not suitable for dipping reflector and lateral velocity variation. Keho (1984) and Wiggins (1984) introduced Kirchhoff migration into VSP data imaging process...
2015
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... tracing based traveltime table generation of the Kirchhoff migration. Smoothing of the velocity model is usually performed to reduce these instabilities...
2015
Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir
Search and Discovery.com
... are shown in Figure 1. Figure 1: The effect of reservoir rock VP on two-way traveltime differences resulting from fluid substitution. AAPG Search...
2013
Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada
Yichuan Wang, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
...Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada Yichuan Wang, Donald...
2022
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... problem to adequately image reflections from targets (ore body). The perturbations in velocity and density are responsible for fluctuations...
2013
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... problem to adequately image reflections from targets (ore body). The perturbations in velocity and density are responsible for fluctuations...
2013
Velocity Dispersion and Attenuation in Vibroseis Data
L. Flora Sun
Search and Discovery.com
... frequency band. Broadband, long-baseline data are desirable to optimize measurements of small velocity dispersion. As for data acquisition geometry, VSP...
Unknown
Velocity Dispersion and Attenuation in Vibroseis Data
L. Flora Sun
Search and Discovery.com
... frequency band. Broadband, long-baseline data are desirable to optimize measurements of small velocity dispersion. As for data acquisition geometry, VSP...
Unknown
ABSTRACT: A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-Bedded, Fluvial Reservoir, by Odom, Richard C.; #90142 (2012)
Search and Discovery.com
2012
Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring
Leah J. Hogarth, Conrad Kolb, Joël Le Calvez
GCAGS Transactions
.... Measurements of the velocity field, reflectivity, and attenuation provide crosswell products such as traveltime and attenuation tomography (e.g., Carrillo...
2016
Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs
Search and Discovery.com
.../VS variations in a high-resolution mode, and it is possible to define thin beds. Unlike traveltime methods that deal with an integrated effect over...
2013
Time-lapse electromagnetic with Gramian
Jide Nosakare Ogunbo, Sang-Wook Kim, Arrey F. Enow
International Meeting for Applied Geoscience and Energy (IMAGE)
... four possible time-lapse effects can occur in a moment of time change. The time-lapse effect can be: a) Change in both space and resistivity values...
2023
Numerical modeling of PP and PS reflections in DAS VSP
Joseph J. Cherayil, James L. Simmons
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The purpose of the DAS VSP simulation is to determine the effect of dip on PP and PS reflection amplitudes. This project aimed to simulate the geometry...
2024
Abstract: Some Workstation Techniques for Defining Reservoirs in Difficult Data Areas; #90171 (2013)
Norm Kalmanovitch, Dennis Meisinger, and Randi Christiansen
Search and Discovery.com
... effect on the deconvolution process that the stacked data is usually limited in useable frequency content. This precludes conventional approaches...
2013
3D acoustic-elastic full-waveform inversion and migration of marine VSP data from Norway
Zhaolun Liu, Jrgen Hoffmann, Frederik J. Simons, Jeroen Tromp
International Meeting for Applied Geoscience and Energy (IMAGE)
...3D acoustic-elastic full-waveform inversion and migration of marine VSP data from Norway Zhaolun Liu, Jrgen Hoffmann, Frederik J. Simons, Jeroen...
2022
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... effect and scattering of energy. Key words: Attenuation factor; centroid frequency down shift method; spectral ratio method; VSP Introduction...
2014
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
... Surface Seismic to VSP One-way time total static solution provided for Walkaway VSP statics correction Waveform Processing Velocity Analysis...
2016
Abstracts: Sonic Scanner Logging at Site C0009 of IODP Expedition 319, NanTroSEIZE; #90173 (2015)
Hisao Ito
Search and Discovery.com
... = photoelectric effect, HRMS = High-Resolution Mechanical Sonde. B. Formation MicroImager (FMI)-Hostile Natural Gamma Ray Spectrometry Cartridge (HNGC)-Sonic...
2015
Volume-constrain first arrival tomography based near surface modeling and its application
Naijian Wang, Zhihui Yan, Qingpo Ma, Wei Wu, Yunfei Zu, Yonggui Hu
International Meeting for Applied Geoscience and Energy (IMAGE)
... by depthvelocity curve. In the velocity model, there is an obvious interface with sudden change of velocity, which is the known top interface of high...
2022
Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations
James Rutledge, Nobukazu Soma
Unconventional Resources Technology Conference (URTEC)
... of trial depth positions, matched their arrivals to ray-trace arrivals from two distinct velocity boundaries while also honoring the direct P...
2013
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and Colombia highlight the necessity for an accurate velocity model and illustrate the dramatic effect of a small percentage change in velocity. Only...
2006