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The AAPG/Datapages Combined Publications Database
Showing 8,086 Results. Searched 200,357 documents.
Abstract: Applications of Surface-Consistent Corrections, by Don W. Frye, M. Turhan Taner; #90976 (1976).
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1976
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user
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...user Shallow VSP for Near-Surface Structure and Statics Soo-Kyung Miong, Robert R. Stewart, and Joe Wong University of Calgary, Calgary, AB, Canada...
Unknown
-- no title --
user
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...user Shallow VSP for Near-Surface Structure and Statics Soo-Kyung Miong, Robert R. Stewart, and Joe Wong University of Calgary, Calgary, AB, Canada...
Unknown
ABSTRACT: Evolution of a Near-Surface Model in an Area of Complex Topography; #90051 (2006)
Michael L. Pittman, Ralph Bridle, Robert E. Ley, II, Ameera A. Mustafa
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... weathered and sub-weathered layers. This two-layer model was enhanced by extra upholes and control points in order to better define the near-surface...
Unknown
Seismic Refraction and Reflection in Caribbean Sea
N. Terence Edgar , John I. Ewing , John Hennion
AAPG Bulletin
... on the western flank of the Aves Swell. The upper crustal layer velocities range from 5.8 km/sec near Testigos Island to 6.9 km/sec on the western flank...
1971
Abstract: Seismic Surface Wave Inversion, by F. Ahmed and A.M. Almarzoug, #90188(2014)
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2014
Abstract: Near-Surface Volcanic Rocks in the SE Nechako Basin, BC: Results of Interpretation of Seismic Reflection Data using First-Arrival Tomographic Inversion; #90171 (2013)
Nathan Hayward and Andrew J. Calvert
Search and Discovery.com
... and Thickness of Volcanic Rocks in the Block A area. Ray paths from the tomographic models give information of layer thicknesses of near-surface rocks. The depth...
2013
-- no title --
user
Search and Discovery.com
..., Calgary, AB, Canada [email protected] Abstract/Excerpt This study investigated the variation of near-surface velocities derived by the inversion...
2013
Abstract: A Structural Reinterpretation of Buck Mountain, Eureka Fold-and-Thrust Belt, Nevada, by S. Astle, J. Chester, W. Snyder, and L. M. Liberty; #90946 (1997).
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1997
Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration
W. C. Krumbein
AAPG Bulletin
... to these relatively unconsolidated rocks, some Paleozoic limestones have velocities exceeding 18,000 ft./sec., even in near-surface depths. The increase...
1951
Adjustment of Land Derived Clays to the Marine Environment
Maurice C. Powers
Journal of Sedimentary Research (SEPM)
... of the near surface sediments studied. On the other hand, the detrital fraction (illite plus kaolinite) slightly outweighs the diagenetic fraction. In view...
1957
Application of Seismography to Geological Problems
Eugene McDermott
AAPG Bulletin
.... There is at the surface a thin layer of weathered sediments the velocity of which is very low. It is necessary to determine the thickness of this and the elevations...
1931
The Use of Physical Modeling to Resolve Offshore Seismic Problems
B. J. Evans, M. Urosevic
Indonesian Petroleum Association
.... The objective for building a model of the Perth Basin was to simulate the recording of poor field data over near-surface carbonates...
1995
The Central Oklahoma Earthquake of April 9, 1952
Ross R. Heinrich
Oklahoma City Geological Society
... and S wave velocities in each layer, and the paths of the three major P phases. Joliat's tables for travel times of the various earthquake phases...
1955
ABSTRACT: Model-Based Coherent Noise Attenuation for Complex Dispersive Waves, by Strobbia, Claudio L.; Zarkhidze, Alexander; May, Roger; Quigley, John; Bilsby, Phillip; #90141 (2012)
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2012
Opal-Cristobalite-Cemented Sands in Catahoula Formation--Implications on Source of Silica Cementation of Quartzose Sandstones: ABSTRACT
Ernest B. Ledger, Thomas T. Tieh
AAPG Bulletin
... developes in sands that are encased in tuffaceous silty mudstones. The development is apparently restricted to outcrops and near-surface zones of high...
1980
Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces
Shastri L. Nimmagadda, Andrew Ochan
Petroleum Exploration Society of Australia (PESA)
... to commercial production. Because of sediment alteration in the near surface areas, comparatively high resistivity or low conductivity middle layer...
2016
Abstract: Near Surface Anomalies and Solutions; #90211 (2015)
Todd Mojesky, David LeMeur, and Ali Karagul
Search and Discovery.com
...Abstract: Near Surface Anomalies and Solutions; #90211 (2015) Todd Mojesky, David LeMeur, and Ali Karagul Datapages/Search and Discovery Article...
2015
The application of seismic shothole drillers’ log data to petroleum exploration and development
I. Rod Smith
CSPG Bulletin
..., A. and Juhlin, C. 2006. Seismic tomography studies of cover thickness and near-surface bedrock velocities. Geophysics, v. 71, p. U77–U84. Best, M.E., Levson...
2012
Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion
Md Iftekhar Alam, Salman Abbasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... Kansas Geological Survey, Lawrence, KS 66047 1 1 Summary Near surface characterization using seismic imaging tools has been often challenging. Many...
2024
Mobile Shale in the Niger Delta: Characteristics, Structure, and Evolution
Richard W. Wiener, Michael G. Mann, Michael Terry Angelich, Joseph B. Molyneux
AAPG Special Volumes
... the calibrated seismic velocities using a layer-based average velocity approach.Figure 6. Seismic velocities of the Niger Delta. Contours are interval...
2010
Geochemical, petrographical, and petrophysical evaluations of a heterogeneous, stratiform dolomite from a Barremian oil field, offshore Abu Dhabi (United Arab Emirates)
Kazuyuki Yamamoto, Gary Ottinger, Osama Al Zinati, Hideko Takayanagi, Koshi Yamamoto, and Yasufumi Iryu
AAPG Bulletin
... of the single stratiform Kharaib dolomite layer studied herein. Much, but not all, of the dolomite geochemistry is also compatible with early, near-surface...
2018
Upper Crustal Structure Derived from Seismic Refraction Experiments: Grand Banks of Eastern Canada
I. Reid, C.E. Keen
CSPG Bulletin
... drawing (solid dots). The 4.5 km/s layer lies between the Avalon Unconformity and this basement surface. End_Page 389------------------------ basin...
1988
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
... and Technology, Thuwal, Saudi Arabia. ABSTRACT Near-surface velocities are critical for subsurface seimic imaging. Conventionally, ray-based first-arrival...
2018
A High-Resolution VSP in the Oil Sands for Improved Reservoir Characterization; #41521 (2015)
Mark Morrish, Laurie Bellman
Search and Discovery.com
... near surface conditions. High quality, densely sampled 3D multi-component seismic data were acquired and processed with this in mind. The VSP also...
2015