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The AAPG/Datapages Combined Publications Database

Showing 20,728 Results. Searched 198,667 documents.

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Study of the Seismic Attenuation Generated by the Mud Layer in Lake Maracaibo, Venezuela

J. Perez, E. Andara, B. Malave

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., producing a decrease in the bulk density that results in the low propagation speed of the compressional wave through this medium. In other words...

2006

Elastic Waves in Porous Media Saturated with Non-Wetting Fluid

Jimmy X. Li, Reza Rezaee, Tobias M. Müller, Mohammad Sarmadivaleh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... January 2020, published online 15 May 2020 Introduction Elastic wave propagation in porous media containing a fluid has been attracting attention not only...

2020

Finite Difference Modelling: Part III: Time-Step n-Tupling

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... and spatial derivatives, and s is the source term. For acoustic wave propagation, L=c2 2, where c=c(x) is the velocity, and 2 is the Laplacian given...

2018

Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

.... Introduction Seismic modeling has an important role in improving our understanding of seismic wave propagation and in verification of new algorithms...

2014

Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).

Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong

Search and Discovery.com

..., or by using a special seismic acquisition geometry to avoid propagation of seismic wave through gas cloud. By optimizing conventional P-wave processing...

2017

Composite (VS/VP) Ratios in Transversely Isotropic Geology: Possible Aid for Identifying Organic Contamination in Porous Rocks

Alvin K. Benson

Environmental Geosciences (DEG)

... motion in line with the direction of propagation, and (2) a shear wave with particle motion perpendicular to the direction of propagation. At each boundary...

1996

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 studies that will include explosive sources and wave propagation...

2013

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 studies that will include explosive sources and wave propagation...

2013

Abstract: Seismic Evidence of Formation Damage in the Lower Colorado Group Shales; #90172 (2014)

Jeremy Gallop

Search and Discovery.com

..., 203-218. Schoenberg M. and Douma, J. 1988, Elastic wave propagation in media with parallel fractures and aligned cracks: Geophys. Prosp. 36, 571-590...

2014

Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden

Swee Leng NG, Martin Bayly

Indonesian Petroleum Association

... in many parts of the world and especially in Asian basins. These "washouts" are typically the result of variable seismic wave propagation through complex...

2008

Abstract: Building Better Models … Making Full Use of Petrophysical Data; #90211 (2015)

Elizabeth L’Heureux

Search and Discovery.com

... models to simulate 3D elastic and viscoelastic seismic wave propagation in random media. Seismic models thus far have shown that exploration target...

2015

DAS: The survival toolkit for geophysicists in the wilderness of unconventionals

Ge Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... between borehole fluid and surrounding casing or rocks. We observe a substantial difference of tube-wave propagation between stimulated and unstimulated...

2022

Estimation of Seismic Attenuation in the Delaware Basin Using Peak Frequencies

Małgorzata Drwiła, Leo Eisner, Zuzana Jechumtalová, Denis Anikiev, Randy Keller

Unconventional Resources Technology Conference (URTEC)

... be characterized by attenuation factors (Q) of ranging between 90 and 100 (with uncertainty of 30) for P-wave and S-waves, respectively. The ratio...

2018

New perturbation-based traveltime approximation for elastic VTI media

Shibo Xu, Alexey Stovas, Xingguo Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... University Summary We propose a perturbation-based approximation for P- and S-wave traveltime in a transversely isotropic medium with a vertical symmetry...

2022

The potential of borehole seismic monitoring techniques at the field scale for leakage and well integrity assessment in CO2 injection projects

Nicolás D. Barbosa, Andrew Greenwood, Eva Caspari, Michael Jordan, Marcin Ireneusz Duda, Bastien Dupuy, Amir Ghaderi, Peder Eliasson

International Meeting for Applied Geoscience and Energy (IMAGE)

.... While wave propagation modelling and large-scale experiments are needed to confirm these observations, the consistent observation of a tube wave...

2024

Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia

Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa

Indonesian Petroleum Association

...). This stress exhibits azimuthal anisotropy in seismic waves, defined as the dependence of seismic wave speeds on propagation azimuth. In homogenous...

2020

Using 3D Seismic Waves and the Time-Frequency Uncertainty Principle to Find Oil

Daniel R. Cook

West Texas Geological Society

... in complex wave patterns. Fortunately, a branch of physics called Quantum Mechanics can help decode seismic wave patterns to better locate oil and gas in 3D...

2008

Mainstream Mantle Convection: a Geologic Analysis of Plate Motion: DISCUSSION

Z. F. Danes

AAPG Bulletin

... value of the horizontal tidal perturbation in g; x is the east-west coordinate; c is the speed of propagation of the surface wave; and t is time...

1973

Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

... signature, assumed known for simplicity. The misfit data block is a forward wave propagation using the estimated values for the physical parameters, while...

2015

Ultrasonic pulse velocities and dynamic elastic constants of sandstones from the Semanggol Formation, Beris Dam, Kedah Darul Aman

J. K. Raj

Geological Society of Malaysia (GSM)

.../s, and the coarse grained sandstone with velocities of 2.477, and 5.612, km/s, respectively. The medium grained sandstones have compressional and shear wave...

2021

Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry

Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... fractures in such monoclinic media because of the complexity of seismic wave propagation. Thomsen (1986) defined three anisotropic parameters...

2023

Monitoring fluid migration pathways from passive source seismic anisotropy analysis: A case study in Kīlauea volcano

Qichao Zhao, Kelly H. Liu, Stephen S. Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration processes. We conducted a detailed shear wave splitting analysis to examine the seismic anisotropy induced by fractures, using micro-seismic...

2024

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