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The AAPG/Datapages Combined Publications Database
Showing 168 Results. Searched 200,691 documents.
Critical Analysis of Stack Seismic Systems
L. E. Nugent, Jr.
AAPG Bulletin
... of Huygen and Fermat concerning wave advancement and minimum time paths, and Snell's law on refraction and reflection. Figure 2 has the same field...
1967
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... a nd r in the refracted medium, Snell's Law is invoked to get for P-waves to get q SH = 2 2 2 2 2 q ;r =q p I −p1−p2 , (8) q2 (9...
2013
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... a nd r in the refracted medium, Snell's Law is invoked to get for P-waves to get q SH = 2 2 2 2 2 q ;r =q p I −p1−p2 , (8) q2 (9...
2013
Modeling Tectonic Structures by Synthetic Seismic Construction: Comparison with Local Fold and Thrust Front Development in the Permian Basin Province
Richard J. Erdlac, Jr., Douglas B. Swift
West Texas Geological Society
... and follows Snell’s Law to the surface, where the accumulated travel time is recorded at the surface emergent point. If a ray exists from one...
2000
Secondary Porosity Revisited: The Chemistry of Feldspar Dissolution by Carboxylic Acids and Anions (1)
RONALD K. STOESSELL and EDWARD D. PITTMAN
AAPG Bulletin
..., Applied inorganic analysis: New York, John Wiley, 1034 p. Kharaka, Y. K., L. M. Law, W. W. Carothers, and D. F. Goerlitz, 1986, Role of organic species...
1990
Crosswell Seismic: Review of Field Operations, Survey Planning and Case History
Jeff Meyer, Randy Evans, Robert Martin, Cynthia L. Welch
West Texas Geological Society
... of acoustic energy traveling along these paths according to governing geophysical laws such as Snell’s Law. Survey planning can become quite complex in highly...
2002
SOUTH ELK BASIN FIELD—A CASE HISTORY
Eric A. Bikis, Tom D. Anderson
Montana Geological Society
... was assumed and Snell's law was used to calculate raypath bending at velocity boundaries. Fault plane boundaries were assumed to be non...
1986
A case study using FWI to image pre-Messinian target in the East Mediterranean Sea
Jyoti Kumar, Marcus Bell, Tamer Darwish, Mai Ahmed, Mahmoud Ahmed, Moataz Ahmed
International Meeting for Applied Geoscience and Energy (IMAGE)
...-lengths of homogeneities, such as those found within the complex Messinian layer, cannot be represented by rays and Snell’s Law, waveform-based back...
2022
Analytical Procedures Applicable to Fine-grained Sedimentary Rocks
Robert L. O'Neil
Journal of Sedimentary Research (SEPM)
...: Anal. Chem., v. 21, p. 1334-1338. SNELL, F. D., AND SNELL, C. T., 1949, Colorimetric methods of analysis, v. 11, 3rd Ed., D. Van Nostrand Company...
1959
Abstract: Interferometric Approach to Complete Refraction Statics Solution; #90187 (2014)
Valentina Khatchatrian and Mike Galbraith
Search and Discovery.com
... model is obtained, using Snell’s law. Initial static corrections to replace weathering velocity with replacement velocity are also computed at this step...
2014
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
Synthetic Seismograms for PS Seismic Data; #41793 (2016)
Satinder Chopra, Ritesh Kumar Sharma
Search and Discovery.com
... defining the interface. The angular relationships between the different wave components are governed by Snell‟s Law (which we all studied in high...
2016
The Oil City Exchange, Setting the Price of Crude
Neil McElwee
Petroleum History Institute
... established their Clearing House on The Petroleum Age, McMullen, Snell and Armor, Vol. IV, No. 4, May 1885, pgs. 975-976. 4 5 History of Venango...
2011
Global Sea Level Change: A View from the Craton: Resources, Comparative Structure, and Eustatic Changes in Sea Level
L. L. Sloss
AAPG Special Volumes
.... 824-835. Sleep, N. H., and N. S. Snell, 1976, Thermal contraction and flexure of Midcontinent and Atlantic marginal basins: Royal Astron. Soc. Geophys...
1979
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
Maturation Modeling in Otway Basin, Australia
M. F. Middleton , D. A. Falvey
AAPG Bulletin
... of Atlantic continental margins by continental breakup: Royal Astron. Soc. Geophys. Jour., v. 24, p. 325-350. Sleep, N. H., and N. S. Snell, 1976, Thermal...
1983
The Next 100 Years of Global Energy: Part I Energy Security and Energy Poverty; #70268 (2017)
Scott W. Tinker
Search and Discovery.com
... E. Koonin Cindy Yeilding Mark Snell Jesse Ausubel Kenneth Medlock Outline Energy Security Energy Poverty Energy Reality Summary 1. Oil, natural gas...
2017
Models of Subsidence Mechanisms in Intracratonic Basins, and Their Applicability to North American Examples
Garry Quinlan
CSPG Special Publications
... basins. Annual Review of Earth and Planetary Sciences, v. 8, p. 17-34. Sleep, N. H. and Snell. N. S. 1976. Thermal contraction and flexure of mid...
1987
Intraplate Stresses: A Tectonic Cause For Third-Order Cycles in Apparent Sea Level
Sierd Cloetingh
Special Publications of SEPM
... of sedimentation and the response of the lithosphere to this sediment load. 23 INTRAPLATE STRESSES After Sleep and Snell (1976) 100 200 distance (km) FIG...
1988
Thrust Loads and Foreland Basin Evolution, Cretaceous, Western United States
Teresa E. Jordan
AAPG Bulletin
... Frontier Formation, Coalville, Utah (abs.): Geol. Soc. America Abs. with Programs, v. 12, no. 6, p. 303. Sleep, N. H., and N. S. Snell, 1976, Thermal...
1981
The Relation of Uranium Occurrences to Groundwater Flow Systems
J. Ladd Hagmaier
Earth Science Bulletin (WGA)
... permeability according to a relationship similar to Snell’s law for light refraction: Figure 1. Generalized flow system model. { sin θ...
1971
Chapter 6: Seismic Modeling
Tom Wittick
North Texas Geological Society
... in velocity in the subsurface the raypaths are bent according to Snell’s law so we get the curved raypath. There are two types of ray trace modeling...
1992
Horizontal stress inversion based on azimuthal difference in P-wave reflectivity
Fubin Chen, Zhaoyun Zong, Xingyao Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
... vectors, respectively. r0 is the point on the interface across two stressed HTI media obeying the Snell’s law. The expressions of I , J , and IJ...
2022
Analytical Methods for Determining Small Quantities of Mercury in Natural Gas
M. Muchlis
Indonesian Petroleum Association
... Specifications" American Chemical Society, Washington, D.C., U.S.A. SNELL, F.D. and ETTRE, L.S. "Encyclopedia of Industrial Chemical Analysis" Vol. 16, p...
1981
Seismic Modeling
Abilene Geological Society
... the raypaths are bent according to Snell's law so we get the curved raypath. There are two types of ray trace modeling, normal incidence and offset ray...
1993