Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

... [email protected] and Robert R. Stewart University of Houston Summary The complete spherical wavefield emanating from a P-wave point source surrounded...

A Sound Exposure Level (SEL) Study for a 3D Seismic Survey off the WA Coastline, Browse Basin

Andrew S. Long, Jens F. Wisløff, Jaafar Ali, Averrouz Mostavan, David Hedgeland, Alec J. Duncan, Amos L. Maggi, Jeremy Colman

Petroleum Exploration Society of Australia (PESA)

... zone, whilst if they Curtin University ofTechnology, that computed pressure (usually 1 ~Pa). The pressure wave is exceed this threshold the surveys...

Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field

Khaled Al Dulaijan, Gary Margrave

Unconventional Resources Technology Conference (URTEC)

... of such reservoirs. Azimuthal variations of P-wave velocities can be a valuable tool for information related to fractures. Therefore, this paper utilizes...

Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging

Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... the power of low-level CUDA and C++ for computation, and provides a user-friendly Python interface for wave-equation modeling and inversion...

Comprehensive pressure core analysis for hydrate-bearing sediments from Gulf of Mexico Green Canyon Block 955, including assessments of geomechanical viscous behavior and nuclear magnetic resonance permeability

Jun Yoneda, Yusuke Jin, Michihiro Muraoka, Motoi Oshima, Kiyofumi Suzuki, William F. Waite, and Peter B. Flemings

AAPG Bulletin

... the cylindrical network model. For the network fracture model, c = 2, and for the spherical network model, c = 6. Minagawa et al. (2008) measured the T2...

Elastic wave reverse-time migration with dynamic focused beams for weak anisotropic media

Ning Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

... to deal with multiple arrivals and steep dips. The elastic wave reverse time migration is based on full-wave equation and uses the corresponding imaging...

Abstract: Effect of Spherical Pore Shapes on Acoustic Properties in Carbonates; #90063 (2007)

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Microbial Origin of Early Animal Trace Fossils?

Giulio Mariotti, Sara B. Pruss, Xuyuan Ai, J. Taylor Perron, Tanja Bosak

Journal of Sedimentary Research (SEPM)

...: An Introduction to the Origin of Sedimentary Rocks, Third Edition: Hoboken, John Wiley and Sons, 272 p. Wetzel, A., 1999, Tilting marks: a wave-produced...

Assessment on the Serviceability of Monopod Platforms in Java Sea Due to Wave Excitation

Gde Pradnyana

Southeast Asia Petroleum Exploration Society (SEAPEX)

... t ) Then using using shallow water dispersion equation ω2 = gk tanh kh and writing the wave elevation as b.eta; = H/2 cos (kx-ωt), then equation (5) may be written...

Recent Sediments, Northwest Gulf of Mexico: ERRATUM

Joseph R. Curray

AAPG Bulletin

...: [EQUATION] where µ = horizontal component of orbital velocity at the bottom H = height of wave at the depth of water considered T = wave period...

Abstract: Local Radial Basis Functions for Helmholtz Equation in Seismic Inversion; #90255 (2017)

Hebert Montegranario, Mauricio Londoño

Search and Discovery.com

... Solutions of Helmholtz equation are essential in Seismic imaging methods like full wave inversion, which needs to solve many times the wave equation...

Elastic Mechanical Properties from SEM Imaging in Tight Formations

Joel Walls, Jack Dvorkin, Gabriela Davalos

Unconventional Resources Technology Conference (URTEC)

.... These properties can be measured from plug samples using a triaxial load frame, but these tests are slow, expensive, and require an intact cylindrical sample...

Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)

Robert J. Ferguson and Gary F. Margrave

Search and Discovery.com

... model space. From the scalar wave-equation, p1, p 2,   =p1  p ip2  jp3 k define a plane wave in  k define the orthogonal coordinate system...

Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)

Robert J. Ferguson and Gary F. Margrave

Search and Discovery.com

... model space. From the scalar wave-equation, p1, p 2,   =p1  p ip2  jp3 k define a plane wave in  k define the orthogonal coordinate system...

Abstract: Wave-Equation Migration: Two Approaches, by K. Larner, L. Hatton; #90976 (1976).

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Improving the Convergence of Shot-Profile Migration by Plane Wave Synthesis

Chad M. Hogan

Search and Discovery.com

...-equation migration algorithm such as FOCI (Margrave et al., 2006). Plane-wave migration was developed in part to preserve the fidelity benefits of prestack...

Improving the Convergence of Shot-Profile Migration by Plane Wave Synthesis

Chad M. Hogan

Search and Discovery.com

...-equation migration algorithm such as FOCI (Margrave et al., 2006). Plane-wave migration was developed in part to preserve the fidelity benefits of prestack...

From Arrhenius to CO2 Storage: Part XII: Model for Radiative Transfer of Fluxes in the Temperature-Stratified Atmosphere

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... a spherical cow in a vacuum …” A popular joke about modeling. NASA/ JSC the equation of radiative transfer which describes mathematically how...

Using Sonic and Resistivity Effective Medium Theories to Quantify the Influence of Rock Fabric on the Mechanical Properties of Organic Mudrocks

Paul Sayar, Carlos Torres-Verdín

Unconventional Resources Technology Conference (URTEC)

... properties. Phase velocities of compressional- and shear-wave propagation are then calculated using the estimated stiffness of the rock. The rock physics...

Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014)

Xinxiang Li and Jeff P. Grossman

Search and Discovery.com

...Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014) Xinxiang Li and Jeff P. Grossman AAPG Datapages/Search and Discovery...

Lomnitz Law Versus Elasticoviscous Controversy

Paul S. Wesson

AAPG Special Volumes

..., coupled with the wave equation, only accounts for constant Q in the range 10-8 to 1 Hz, McCann (1970) maintained End_Page 454...

Abstract: Remote Classification of Seabed Types Derived from Interferometric Sonar Data, by S. Hadden and C. Green; #90923 (1999)

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The Effects of Entrainment on the Hydraulic Equivalence Relationships of Light and Heavy Minerals in Sands

Rudy L. Slingerland

Journal of Sedimentary Research (SEPM)

.... (June), A semi-empirical critical velocity equation and critical suspension velocity equation have been developed to explain the settling velocity...

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... a modest suite of incidence angles requires spatial apertures larger than currendy employed. Finally, in marine exploration, converted shear-wave...

Basics of Resistivity Tools - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... Laplace’s equation Laterolog 3 and laterolog 7 Vertical resolution of LL3 and LL7  Spherically focused log and microspherical focused log Dual...