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The AAPG/Datapages Combined Publications Database
Showing 15,804 Results. Searched 195,364 documents.
Finite Difference Modelling: Part IV
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... solve the acoustic wave equation through finite differences, the solution obeys the laws of reflection and refraction, which arise as a consequence...
2019
The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration
J. E. Stones
Oklahoma City Geological Society
..., which is an outgrowth of Fermat's Principle, relates the reflection and/or refraction of a ray impinging on a discontinuity to the velocity contrast...
1958
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
Chart Migrations
Frank A. Roberts
Oklahoma City Geological Society
..., depth and offset of reflecting horizons. The construction of the graph must include: Fermat's fundamental principle of seismology which is that a wave...
1958
The Limitations of Seismic Modelling of Geological Structures
B. L. N. Kennett
Petroleum Exploration Society of Australia (PESA)
...) and extended to elastic waves by Kennett (1984a). Such a procedure allows, in principle, a complete treatment of reflection and transmission...
1985
The Use of the Seismograph Tool in the Western Canadian Foothills
L. H. Reed
CSPG Special Publications
... planning is even more critical in a refraction program than in the more conventional plains reflection surveys. This is because the refraction...
1957
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
...Limitations of Reflection Seismograph L. E. Nugent, Jr. 1953 2513 2529 37 11. (November) Factors determining the precision of data procured...
1953
Analog Model and Synthetic Seismogram Studies of Long Range Refraction Method: ABSTRACT
Stanley J. Laster, Richard Schell, Milo M. Backus
AAPG Bulletin
...Analog Model and Synthetic Seismogram Studies of Long Range Refraction Method: ABSTRACT Stanley J. Laster, Richard Schell, Milo M. Backus 1963 1772...
1963
Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... geophysics, the seismic refraction method was commonly used, but gradually reflection seismic, as we know it today, demonstrated its usefulness and its...
2017
Stratigraphic Principles (Concepts): Lecture 2
Robert J. Weimer
AAPG Special Volumes
... of principle: Amid all the revolutions of the globe, the economy of nature has been uniform...and her laws are the only things that have resisted the general...
1976
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
..., wide angle reflection and refraction, teleseismic and local earthquake (Rawlinson & Sambridge, 2003). The relationship between traveltime and wave...
2022
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... of the wave traveling like a ray through the shortest path (Fermat’s principle) in the model and change direction when encountering velocity and density...
2021
Abstract: SAGD Production Monitoring by Seismic Refraction; #90172 (2014)
D. Dubucq, Tuhin Bhakta, P. Thore
Search and Discovery.com
... are refracted waves, and for geophones at a distance from the shot point, always represent the first arrival of seismic energy. Fig. 1: Refraction principle...
2014
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
... reflection seismic to borehole seismic. Furthermore, the response produces all physically possible wave types, providing a more intuitive than...
2009
Abstract: Basin Analysis of the Southern Yemeni Red Sea: Significance of Halokinesis Upon Subsalt Source Rock Maturities and Hydrocarbon Migration Dynamics, by John D. Pigott, Omer Aksu, and Ahmed Alahdal; #90077 (2008)
Search and Discovery.com
2008
Seismic Techniques in the Alberta Foothills
L. H. Reed
CSPG Special Publications
... location for each 6000 feet of refraction control in some foothills areas compare with five necessary for an equivalent amount of quarter-mile reflection...
1953
Dip and Azimuth Determination in 3D CRS-Stack
A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara
Indonesian Petroleum Association
... properties along the raypath between source and receiver according to Fermat’s principle in ray theory. In contrast, CRS stacking operation...
2013
Upper Crustal Structure Derived from Seismic Refraction Experiments: Grand Banks of Eastern Canada
I. Reid, C.E. Keen
CSPG Bulletin
... and of basement, and compare the refraction results with deep seismic reflection results previously obtained along the same shot line. The main result...
1988
Abstract: Migrating Reflections from the Moho Using a Refraction Velocity Model An Example from the Slave Craton, NWT; #90211 (2015)
Joaquin Aristimuno and Claire Samson
Search and Discovery.com
... in seismi c velocity. In the Archean Slave Craton, NWT, coincident refraction and reflection surveys have been conducted in 1996 – 1997 as part...
2015
ABSTRACT: Investigation of the Weathering Layer Using Seismic Refraction and High Resolution Seismic Reflection Methods, NE of Riyadh City, by Al-Anezi, Ghunaim; Al-Amri, Abdullah; Zaman, Haider; #90141 (2012)
Search and Discovery.com
2012
Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)
Keith Wilkinson, Richard Bale, and Ken Gray
Search and Discovery.com
... is applied, and Fermat’s principle (stationary phase) results in the true DRP being reconstructed. The set of traces which constitute cross-convolved...
2015
Abstract: Seismic Techniques in the Alberta Foothills
L. H. Reed
CSPG Bulletin
... in acquiring usable reflection records, due to: disturbed conditions at reflection horizons depths, rough surface topography, and steeply dipping surface...
1953
Application of Seismography to Geological Problems
Eugene McDermott
AAPG Bulletin
.... Refraction and reflection of wave in elastic rope. End_Page 1312------------------------------ mostly reflected as in the previous illustration. B...
1931
ABSTRACT: Geostatistical Recipes for Near Surface Modeling; #90051 (2006)
Aldo Vesnaver, Ralph Bridle, Robert Ley, Robert W. Rowe
Search and Discovery.com
... distortion m anifested in th e deep target im ages. hoc 3D reflection/refraction surveys can solve this problem in Ad principle, but their cost...
Unknown
Geostatistical Recipes for Near Surface Modeling
Search and Discovery.com
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