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The AAPG/Datapages Combined Publications Database

Showing 20,860 Results. Searched 200,691 documents.

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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

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