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The AAPG/Datapages Combined Publications Database
Showing 168 Results. Searched 200,691 documents.
Vertical-to-Lateral Transitions Among Cretaceous Carbonate Facies—A Means to 3-D Framework Construction Via Markov Analysis
Sam Purkis, Brigitte Vlaswinkel, Nuno Gracias
Journal of Sedimentary Research (SEPM)
... undersampled with respect to the vertical. However, through the principle of Walther’s Law (Walther 1894) or due to the geometry of basinward-inclined...
2012
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
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
Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration
Tim Geerits, Stefan Schimschal, Anna Swiatek
International Meeting for Applied Geoscience and Energy (IMAGE)
... the borehole fluid slowness ( S f ). To underpin this belief, one typically refers to Snell’s law which (only) gives a specialized ray-theoretical...
2022
Determination of Depth Models Through Self-Consistent Structural Modeling to Help Delineate Hydrocarbon Traps in the Uinta Basin
Alvin K. Benson
Utah Geological Association
... obeying Snell’s law are followed through the model to the surface, keeping track of the time it takes to go from bottom to top (Clay, 1990). Reliable...
1992
Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features
Scott Cook, Mike McKee, Sid Bjorlie
Unconventional Resources Technology Conference (URTEC)
.... Snell’s law tells us that rays will bend to spend the least amount of time possible inside the graben, so even rays non-perpendicular to the graben...
2019
I. Relation of Structural Section to Seismic Section
Robert E. Sheriff
AAPG Special Volumes
... a reflector passes right through it. Travel paths which pass through interfaces where the velocity changes are bent according to Snell's law:
1981
III. Evidence of Faulting
Robert E. Sheriff
AAPG Special Volumes
... plane; that is, it juxtaposes different velocities. Therefore, raypaths passing through the fault plane are bent according to Snell's law by the change...
1981
Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)
Wujin Chen and Anchu Wu
Search and Discovery.com
... to Snell law. (2) (3) Where Rpp is the reflection coefficient, Tpp is the transmission coefficient, ρ1 is the first layer density, ρ2 is the second layer...
2014
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
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
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
Analysis of the fluvial stratigraphic response to the Paleocene–Eocene Thermal Maximum in the Bighorn Basin, U.S.A.
Amanda Owen, Adrian J. Hartley, Trevor B. Hoey, Alena Ebinghaus, David W. Jolley, Gary S. Weissmann
Journal of Sedimentary Research (SEPM)
... and Planetary Sciences, v . 39, p . 489– 516. Middleton, G.V., 1973, Johannes Walther's Law of the Correlation of Facies: Geological Society...
2023
Kiowa and Prowers County, Colorado
Richard S. Buchanan
Kansas Geological Society
.... Continental Oil Co. 8. Superior Oil Company Weisenberger 9. Stanolind Oil &t Gas Co. Snell III 7-20S-41W SE SW 10. Texa. Pacific Coal &t Iron...
1956
Constraints on the Burial History of Tengiz Field From Clumped Isotope Paleothermometry
Search and Discovery.com
N/A
The Next 100 Years of Global Energy: Part IV The Global Power Fuel Mix and Carbon Transition; #70271 (2017)
Mark A. Snell
Search and Discovery.com
...The Next 100 Years of Global Energy: Part IV The Global Power Fuel Mix and Carbon Transition; #70271 (2017) Mark A. Snell The Next 100 Years...
2017
North Louisiana: Early Gas Development and History of Conservation Laws
A. A. Meyerhoff , James M. Forgotson, Sr.
AAPG Special Volumes
.... of Conservation, p. 165-210. Moosa, R. Nolan, and Saloom, Jr., Kaliste J., 1942, The oil and gas conservation movement in Louisiana: Tulane Law...
1968
Multi-Taxa Isotopic Investigation of Paleohydrology In the Lower Cretaceous Cedar Mountain Formation, Eastern Utah, U.S.A.: Deciphering Effects Of the Nevadaplano Plateau On Regional Climate
Celina A. Suarez,, Luis A. González, Gregory A. Ludvigson, James I. Kirkland, Richard L. Cifelli, Matthew J. Kohn
Journal of Sedimentary Research (SEPM)
... isotope compositions of fossils: Reviews in Mineralogy and Geochemistry, v. 66, p. 119– 154. Kohn, M.J., and Law, M.J., 2006, Stable isotope chemistry...
2014
Uranium-Vanadium Deposits on the West Flank of the La Sal Mountains, Grand and San Juan Counties, Utah
William L. Chenoweth
Grand Junction Geological Society
...-prospector named Charles Snell came to him in the spring of 1915 with the story of a dream in which he saw a yellow circle on a block of sandstone...
1983
Modelado Sismico Tridimensional Mediante Teoria de Rayos [PAPER IN SPANISH] Three-Dimensional Seismic Modeling Using Ray Theory
G. GarcÍa
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... Modelado Sismico Tridimensional. Haciendo uso extensivo de la Ley de Snell, se manejan las ecuaciones para trazar rayos en modelos geologicos...
1988
A Comparison of Air Photograph and Computer Simulated Wave Refraction Patterns in the Nearshore Area, Richibucto, Canada and Jervis Bay, Australia
Edward A. Bryant
Atlantic Geology
... also assume that wave refraction obeys Snell's law, that diffraction and reflection are minimal, that wave period is a constant both in time and space...
1974
Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling
Bimal R. Banerjee
Indonesian Petroleum Association
... and 30 degrees angles of incidence. The ray path of each angle started at 2440 m and from this depth all rays follow Snell's law. Fig.14, 15 & 16 show...
1993
Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia
Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham
Indonesian Petroleum Association
... was based on the stacking velocity at the well location and Snell's Law; the other was based on the computed incident angle at each offset from...
1994