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The AAPG/Datapages Combined Publications Database
Showing 49,596 Results. Searched 195,364 documents.
Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)
William J. Vetter
Search and Discovery.com
... wavelength/compositesrepetition-thickness ratio (e.g. Macbeth 2002). I suggest that Fermat’s principle and Snell’s law should apply in such composites...
2013
DEPTH CONVERSION, Jeremy J. Zimmerman, Search and Discovery Article #40023, 2001
Search and Discovery.com
N/A
An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma
Jan Dodson, Roger A. Young, Kevin Smart
Oklahoma City Geological Society
... Processing: Society of Exploration Geophysicists, Tulsa, Oklahoma, 526 p. Ray trace modeling calculates seismic ray paths that obey Snell's law...
2001
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
... channels (c.f. Cerveny 2001 p.28-30, p.103). They are (1) not traveltimes minimizing Fermat’s principle loci, (2) not pointwise Snell’s law conforming...
Unknown
Anisotropy Kinematics Clarified through Regime Rrays Model
William J. Vetter
Search and Discovery.com
... channels (c.f. Cerveny 2001 p.28-30, p.103). They are (1) not traveltimes minimizing Fermat’s principle loci, (2) not pointwise Snell’s law conforming...
Unknown
High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs
Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser
Unconventional Resources Technology Conference (URTEC)
... reflections, which follow Snell's law and for which the angle of incidence equals the reflection angle. Many time processing steps are designed...
2015
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
... from the misalignment of phase and group angles: ray trajectories follow group angles and velocities, but at the P to Sv conversion point Snell’s law...
2023
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
... Snell's law, and are partially reflected when velocity or density discontinuities are encountered. Traveltimes of reflected arrivals correspond...
1992
Image - Rays and the Treatment of Inhomogeneity in Migration
L. Hatton
Southeast Asia Petroleum Exploration Society (SEAPEX)
... be attributed to the fact that Snell’s law is absent from the Kirchhoff-summation wave equation time migration method, as commonly implemented. It can...
1980
Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... obeying Snell’s law (sin θ1/v1 = sin θ2/v2) across an interface, the wave is refracted. The portions of the initially downgoing energy refracted along...
2017
A Practical Approach to Seismic Imaging of Complex Geology, by M. Brzostowski and T. Jones #40057
Search and Discovery.com
N/A
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... are inferred. Extensive testing was performed to verify the ray tracer, from basic tests such as whether or not the code honors Snell’s law...
2015
Abstract: Law of the sea and offshore geophysics
Bosko D. Loncarevic
Atlantic Geology
...Abstract: Law of the sea and offshore geophysics Bosko D. Loncarevic 148 AGS Abstracts – 2004 Colloquium & Annual General Meeting Law of the sea...
2004
Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)
M. Malehmir and D. R. Schmitt
Search and Discovery.com
... of this approach, consider an incident plane wave arriving from above to a plane boundary between two anisotropic media, figure 1. General Snell’s law for anisotropic...
2015
Secondary Porosity Revisited: The Chemistry of Feldspar Dissolution by Carboxylic Acids and Anions (1)
RONALD K. STOESSELL and EDWARD D. PITTMAN
AAPG Bulletin
... kinetics and greater aluminum mobility under low-pH conditions. The general absence of such low-pH fluids in subsurface reservoirs makes...
1990
Chapter Ten-part 2: Depth Conversion
Leslie R. Denham, Dave K. Agarwal
AAPG Special Volumes
... with a vertical ray and bending it according to Snell’s Law at all velocity boundaries. This process is called “image ray migration.” If there is an abrupt...
2011
Understanding The Potential Risks Regarding Employment in The Oil and Gas Industry [Upstream]
Camelia Ahmad
Indonesian Petroleum Association
... companies are regulated in several regulations from several different institutions. In general: it is regulated in Law No 13/2003 and its implementing...
2022
Thermal Subsidence and Generation of Hydrocarbons in Michigan Basin
Jeffrey A. Nunn , Norman H. Sleep , Wayne E. Moore
AAPG Bulletin
... sciences, Proceedings of the NATO Advanced Study Institute at Newcastle-Upon-Tyne: London, Academic Press, p. 685-692. Sleep, N. H., and N. S. Snell, 1976...
1984
Historical Overview of Various Corporation and Distribution Tax Aspects of Parties Engaged in Petroleum Operations in Indonesia
Jan Carel M. Van Dorp
Indonesian Petroleum Association
...) of the Constitution prescribes that: No taxes for the benefit of the Treasury can be imposed on the people except by law ("Every form of tax shall...
1987
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
... by surface incidence or emergence angle, i.e., the angle at the source or receiver location that corresponds by Snell’s law to the subsurface incidence angle...
2015
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... normals or rays, according to Snell’s law. In many practical instances, the moveout which varies between reflection, the so-called dynamic component can...
1982
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... gradient medium that isn’t always the best representation of Earth’s subsurface (Levin, 1996). As such, refraction theory governed by Snell’s Law...
2022
Combined P and S Waves Survey for Hydrocarbon Exploration
Basuki Puspoputro
Indonesian Petroleum Association
... the generalized forms of Snell's law still hold as far as the directions of the different waves are concerned (see Figure 1): Figure 1. Partition of energy...
1990
Liability for Geologic Hazards
Alan H. Coogan
Houston Geological Society
... to avoid harm and damage occurs. Citations to law cases are made in the standard legal form. For readers unfamiliar with this citation style, the elements...
1981
North Louisiana: Early Gas Development and History of Conservation Laws
A. A. Meyerhoff , James M. Forgotson, Sr.
AAPG Special Volumes
... of a single officer, the Commissioner of Conservation. 1918: Act 268. This was the first general law for the prevention of gas waste (Daggett, 1949...
1968