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The AAPG/Datapages Combined Publications Database
Showing 19,564 Results. Searched 195,364 documents.
ABSTRACT: Asymptotic ray theory applied to pressure fields in a marine environment
Adam M. Baig, Frantisek Hron
CSPG Special Publications
...ABSTRACT: Asymptotic ray theory applied to pressure fields in a marine environment Adam M. Baig, Frantisek Hron 1998 258 258...
1998
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... theory (ART) is essentially an infinite-frequency ray method. It becomes singular near caustics and fails to model a host of finite-frequency wave...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... theory (ART) is essentially an infinite-frequency ray method. It becomes singular near caustics and fails to model a host of finite-frequency wave...
Unknown
New Approach in Study of Origin of Oil: DISCUSSION
Ralph H. Fash
AAPG Bulletin
... Ray P. Walters' article entitled, "New Approach in Study of Origin of Oil," in the September, 1948, Bulletin. Based on his field experience, Walters...
1949
Abstract: Near-Surface Velocity Estimation Using Source-Domain Full Traveltime Inversion and Waveform Inversion; #90319 (2018)
Lu Liu, Bowen Guo, Yi Luo
Search and Discovery.com
... tomography has been an efficient and robust tool to derive large-scale near-surface velocity models for decades (Zhang and Toksöz, 1998). Ray theory...
2018
Optimizing the 3D Seismic Acquisition in Colombian Foothills Using the Ray Tracing Theory. Study Case: Recetor Block, Vega, Juan C.; Piedrahita, Carlos C., #90100 (2009)
Search and Discovery.com
2009
Surface Gamma-Ray Logs: A Correlation Tool for Frontier Areas
Alan K. Chamberlain
AAPG Bulletin
...Surface Gamma-Ray Logs: A Correlation Tool for Frontier Areas Alan K. Chamberlain 1984 1040 1043 68 8. (August) Surface gamma-ray logs...
1984
A Comparison of the Various Methods of Dip Migration
H. Bruce Mayo
Oklahoma City Geological Society
... described by Mr. Stones in his paper. It incorporates the curved ray path theory and uses the linear increase with depth velocity function. When...
1958
Finite Difference Modelling: Part IV
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... of reflection and refraction of light can be based on a theory known as geometric optics or ‘ray theory’, where light waves are represented with simple geometric...
2019
II. Information Content and Resolution Potential of Seismic Data.
Norman S. Neidell
AAPG Special Volumes
... to be presented on the next figure. If we consider a colocated source and receiver, then according to familiar ray theory we would draw a raypath down...
1979
Abstract: Using X-Ray Fluorescence to Quantify Clay Content in Mudrock and Sandstone Outcrops, by Brown, Alton A.; Davies, Russell K.; #90163 (2013)
Search and Discovery.com
2013
Abstract: Using Airborne Gamma-Ray Spectrometry Exploration to Accelerate Geological Mapping in Greenfield Areas of Northern Canada; #90172 (2014)
Volkan Tuncer, Lei Sha, Fatih Doğan, Julien Lambert
Search and Discovery.com
...Abstract: Using Airborne Gamma-Ray Spectrometry Exploration to Accelerate Geological Mapping in Greenfield Areas of Northern Canada; #90172 (2014...
2014
Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)
Hassan Khaniani and John C. Bancroft
Search and Discovery.com
... * CREWES, University of Calgary [email protected] and John C. Bancroft CREWES, University of Calgary Summary Optimum smoothing is required in the ray...
2015
Abstract: Tomographic Reflected-Wave FWI Using Time Lag; #90254 (2016)
Geoff Clark, Yilong Qin
Search and Discovery.com
...-wavelength velocity model. However, ray theory does not properly describe wave propagation in the case of complex heterogeneities such as a low...
2016
Memoir 71, Chapter 9: Well Test Imaging--A New Method for Determination of Boundaries from Well Test Data
Bruce A. Slevinsky
AAPG Special Volumes
... of the location of arbitrary reservoir boundaries detected during a well test. The method is based on elements of ray tracing and information theory...
1999
BSTRACT: Theory and Practice of a Web-based Intelligent Agent in the Location of Pay Zones on Digital Well-Log Files, by Doveton, John H., W. Lynn Watney, Geoffrey C. Bohling; #90026 (2004)
Search and Discovery.com
2004
Tomography Techniques Applied to Near Surface Velocity Models in Complex Areas of Colombia
Jorge Monsegny, Saúl Guevara
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... in the minimum travel time problem of graph theory and the ray bending technique. With these tomographic techniques it is also possible to obtain a velocity...
2008
ABSTRACT: 2D multicomponent adaptive focused beam migration
Chao Chen, Zhenchun Li, Jianping Huang
Geological Society of Trinidad & Tobago
... beam migration based on ray theory is an imaging method with both computational efficiency, imaging accuracy and flexibility. However, the initial width...
2022
ABSTRACT: Reconciling High-Resolution Reservoir Models to Production Data Using Streamline Simulation
Datta-Gupta, Akhil
GCAGS Transactions
... using high-resolution reservoir models. Utilizing concepts from the asymptotic ray theory in seismic and diffusive electromagnetic imaging, we...
2002
The Geiger Counter X-Ray Diffractometer for Determining the Rutile Content of Heavy Mineral Separations of Beach Sands: NOTES
David S. Buist
Journal of Sedimentary Research (SEPM)
... Verlagsgesellschaft, 388 p. End_of_Record - Last_Page 947------- The theory of X-ray diffraction has been well described by a number of authors...
1963
ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)
Search and Discovery.com
2012
A Compensated Spectral Natural Gamma Ray* Logging System
C. Kessler, R. Washa, G. S. Yarbro
Indonesian Petroleum Association
... EVALUATION", by W. H. Fertl, The Log Analyst (September-October 1979). 2. "THEORY INTERPRETATION AND PRACTICAL APPLICATIONS OF NATURAL GAMMA RAY...
1984
Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)
William J. Vetter
Search and Discovery.com
... segments which are here the focus, is incomplete/incorrect re the familiar Fermat/Snell ray theory premises [-> FS-rays]. The traveltime expression tON = tOE...
2013
Abstract: Gamma Ray Normalization and Fluvial Characterization: The Paleocene Paskapoo Formation, Alberta; #90187 (2014)
Erik M. Quartero, David Bechtel, Andrew Leier, and Laurence R. Bentley
Search and Discovery.com
...Abstract: Gamma Ray Normalization and Fluvial Characterization: The Paleocene Paskapoo Formation, Alberta; #90187 (2014) Erik M. Quartero, David...
2014
The Limitations of Seismic Modelling of Geological Structures
B. L. N. Kennett
Petroleum Exploration Society of Australia (PESA)
.... Geometrical ray theory is of value in the construction of the two-way travel time field to a reflector, but we may also use ray theory as a high...
1985