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The AAPG/Datapages Combined Publications Database
Showing 20,860 Results. Searched 200,691 documents.
The Limitations of Seismic Modelling of Geological Structures
B. L. N. Kennett
Petroleum Exploration Society of Australia (PESA)
.... As a result we are working in a frequency range which is rather poorly served by current mathematical techniques for modelling wave propagation...
1985
Imaging of Fractured Reservoirs Using the EVA Tool
P. C. Arditty, F. Schein, Ph. Staron
Indonesian Petroleum Association
... (S) wave and Stoneley wave attenuation, two parameters obtained from the processing of full waveform acoustic data. The combination of both parameters...
1988
Elastic full-waveform inversion using random space shift
Yuhui Yao, Jizhong Yang, Yuzhu Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... Geology Summary By honoring the wave propagation nature in complex subsurface, elastic full-waveform inversion (EFWI) of multi-component seismic data...
2022
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
... if the interfaces are reasonably smoothly varying. Wave equation methods solve the propagation problem over the entire model, rather than performing...
1992
Abstracts: AVO Analysis of 3-D/3-C Datasets from Weyburn CO2 Storage and Monitoring Project; #90173 (2015)
Le Gao and Igor Morozov
Search and Discovery.com
..., and at the same time, they contain the information about the S-wave reflectivity. Many theoretical models were established based on AVO equations...
2015
Automated hyper-parameter optimization for deep learning framework to simulate boundary conditions for wave propagation
Harpreet Kaur, Sergey Fomel, Nam Pham
International Meeting for Applied Geoscience and Energy (IMAGE)
...Automated hyper-parameter optimization for deep learning framework to simulate boundary conditions for wave propagation Harpreet Kaur, Sergey Fomel...
2022
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
... of shallow salt, carbonates, and anhydrites, not captured by acoustic wave propagation. EFWI was further run to higher frequencies to add resolution...
2024
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
... for each trace because each trace will have a different one-way travel time and the wave propagation velocity with time will be different for each trace...
1989
Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)
Neda Boroumand and Hassan Khaniani
Search and Discovery.com
... horizontally. The waveform generated from this event contains both a P- and S-wave at the time of origin which propagate outward radially to produce both...
2014
Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)
Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach
Search and Discovery.com
... the orientation estimate. Near surface complexities due to scattering or anisotropy often change the behaviour of wave propagation and thus the standard methods...
2014
Abstract: Laboratory Studies of the Seismic Properties of Bitumen Saturated Grosmont Carbonates; #90224 (2015)
Arif Rabbani, Douglas R. Schmitt, Randolf Kofman, and Jason Nycz
Search and Discovery.com
... with temperature; the bulk modulus of oils decreases rapidly with temperature. In contrast, the S-wave propagation may be more dependent upon the viscosity...
2015
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... into local plane waves to indicate the characteristic of the propagation direction of the wave. The direction of incident and scattered rays...
2024
Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)
Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana
Search and Discovery.com
... which varying with the directions. Seismic wave velocity varying with the direction of propagation caused the anisotropy characteristics of rock...
2014
Formation of Ripple Bands in a Wave-Convergence Zone
K. P. Black , T. R. Healy
Journal of Sedimentary Research (SEPM)
... controls, the ebb-tidal jet flows south into the bay, across the predominant direction of wave propagation (Fig. 3). Unlike the standard ebb-tidal delta...
1988
Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)
Steve Horne, David Rampton, John Crowe
Search and Discovery.com
... dependent and suggests that upscaling observed azimuthal anisotropy from sonic logs may lead to underestimating lower frequency wave propagation effects...
2017
Abstract: High Quality Acoustic and Elastic Modeling; #90187 (2014)
Y. Jewoo, C. S. Shin, and R. P. Bording
Search and Discovery.com
... with a displacement or pressure field and a spatial flux field. This improves the local accuracy of the wave propagation everywhere at the expense...
2014
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
... was repeatedly activated to allow stacking of recordings for improving signal to noise ratio at far offset propagation. The generated wave field...
2013
Seismic response analysis of thin coals
Yijun Xi, Xingyao Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
... for geophysical processing and interpretation (Zhao, 2021). Seismic wave forward modeling simulates the propagation process of seismic waves in the earth's...
2022
Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 2: Three-Dimensional Seismic Monitoring of an Enhanced Oil Recovery Process
Robert J. Greaves, Terrance J. Fulp
AAPG Special Volumes
.... Three sets of three-dimensional (3-D) data were collected during a one-year period in order to map the extent and directions of propagation in time...
2011
Effects of Settling and Preferential Deposition of Sediment on Ripple Roundness Under Shoaling Waves
Naofumi Yamaguchi, Hideo Sekiguchi
Journal of Sedimentary Research (SEPM)
..., the direction of wave propagation was designated as “onshore,” and the opposite direction as “offshore.” The water particle velocity 10 mm above the flat...
2010
Ultrasound Tomography Optimalization by Using Robotic Application
Albertus Ariel Rahadi, Tedy Setiawan
Indonesian Petroleum Association
..., which is 5920 m/s. The only changes are on the outer of the circle because the wave propagation (Figure 1) were done around the outer zone (see Figure 12...
2016
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
... of the coating and reflector which is more clear than post-processing. INTRODUCTION Seismic is a mechanical wave that uses elastic wave propagation...
2019
Physical Processes and Fine-grained Sediment Dynamics, Coast of Surinam, South America
John T. Wells, James M. Coleman
Journal of Sedimentary Research (SEPM)
... example of muds accumulating under moderate wave-energy conditions. Gigantic shore-attached mudbanks (10 km 20 km), composed partly of thixotropic...
1981
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
...Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data A. Hendriyana, R. Sule, Y. Akbar...
2009
Seismic Characterisation of Unconventional Plays in North America
Lee Bell, Mary Edrich, Alvaro Chaveste
Petroleum Exploration Society of Australia (PESA)
... ellipse. Velocities in a fractured medium result in different wave velocities for different propagation directions (anisotropy). Elliptical attributes...
2012