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The AAPG/Datapages Combined Publications Database
Showing 108 Results. Searched 195,387 documents.
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
... an improved approximation at near angles. At wide angles, the horizontal converted wave apparent velocity matches the P horizontal velocity. Since...
2023
Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East
Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto
International Meeting for Applied Geoscience and Energy (IMAGE)
... generating the internal multiples, they can be grouped by their apparent velocity ranging from slower to faster trends when compared to underlying...
2023
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
.... Levin, F.K, 1971. Apparent velocity from dipping interface reflection. Geophysics, 36, 510-516. Ottolini, R. and Claerbout, J.F., 1984. The migration...
1989
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... structure is obtained when the processing velocities are 5% greater than the final velocities. It is apparent that the velocity model used will affect...
2006
Velocity Logging and Its Geological and Geophysical Applications
H. R. Breck, S. W. Schoellhorn, R. B. Baum
AAPG Bulletin
...------------------------------ formation exerts great influence on the apparent velocity through the formation. Velocity logs showing geologic correlations...
1957
Geophysical Investigation of Crystalline Basement Between Dead Sea Rift and Mediterranean Sea
A. Ginzburg , Y. Folkman
AAPG Bulletin
... on the Mediterranean shot. This velocity V4 = 9.2 km sec-1 is probably the updip apparent velocity of the 8.0 km sec-1 velocity computed for the upper mantle...
1981
The Renaissance of Gravity, B.S. Anderson, M.E. Weber, J.E. Bain #40035
Search and Discovery.com
N/A
Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia
B. K. Lim, S. J. Jones
Geological Society of Malaysia (GSM)
... topographic features like the top of the hill, ridges and valleys. As illustrated in Fig. 9 and 10, such changes are sufficient to cause apparent velocity...
1982
Hydraulic Fracture Monitoring Using Distributed Acoustic Sensing: A Case Study Using Dip-in Fiber
Chaoyi Wang, Yuanyuan Ma, David Eaton, Kelly MacDougall, Carolyn Furlong
Unconventional Resources Technology Conference (URTEC)
... characterized by linear moveout and apparent velocity of ~ 950 m/s. The background colors indicate longitudinal strain (e) along the fiber. URTeC 3723692...
2022
Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins
R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy
AAPG Special Volumes
... cases, high-amplitude mantle reflections were observed with travel-time curves that asymptotical y approached an apparent velocity of approximately...
1979
Seismic Prospecting for Gas-hydrate and Associated Free-gas Prospects in the Milne Point Area of Northern Alaska
T. L. Inks, M. W. Lee, W. F. Agena, D. J. Taylor, T. S. Collett, M. V. Zyrianova R. B. Hunter
AAPG Special Volumes
... by BP and must be kept in mind for any depth conversion done at a later date because it affects the apparent velocity of the shallowest...
2009
Structure of Argentine Continental Margin
William J. Ludwig , John I. Ewing , Maurice Ewing
AAPG Bulletin
... upon the surface of the layer at an angle ^agr with the normal, has an apparent velocity V/sin ^agr along the surface. 4. Any travel-time...
1968
Image - Rays and the Treatment of Inhomogeneity in Migration
L. Hatton
Southeast Asia Petroleum Exploration Society (SEAPEX)
... migration of complex offshore seismic profiles: paper presented at 10th Annual O.T.C., Houston. Levin, F.K., 1971, Apparent velocity from dipping interface...
1980
Formation Porosity and Fluid Content from Velocity Logs
E. R. Denton
CSPG Bulletin
.... These conclusions have become apparent after reviewing velocity logs from more than one hundred Canadian wells. Most operators agree that they cannot...
1956
Three-Dimensional Seismic-Reflection Techniques
Hermann Buchholtz
Circum Pacific Council Publications
... of the method is based on remarkable new developments that are made at all three stages: Levin, F.K., 1971, Apparent velocity from dipping interface...
1989
Fundamental 3-D Seismic Survey Design
Stuart Wright
Rocky Mountain Association of Geologists
... growth in fluvial reservoirs, Stratton Field, South Texas: Gas Research Institute Topical Report GRI-93/0187. Levin, F.K., 1971, Apparent velocity from...
1995
Upper Crustal Structure Derived from Seismic Refraction Experiments: Grand Banks of Eastern Canada
I. Reid, C.E. Keen
CSPG Bulletin
... reflection data could not be used to make static corrections for the basement travel times. The low apparent velocity of the first arrivals beyond about...
1988
Seismic Characterization of a "Compound Tectonic Wedge" Beneath the Rocky Mountain Foreland Basin, Alberta
Donald C. Lawton, Chakrit Sukaramongkol,, Deborah A. Spratt
CSPG Bulletin
... Survey of Canada, p. 109-116. Levin, F.K. 1971. Apparent velocity from dipping interface reflections. Geophysics, v. 36, p. 510-516. Mack, G.H....
1996
Structure Beneath Continental Shelf, Northeastern Gulf of Mexico
John W. Antoine , James L. Harding
AAPG Bulletin
... are not apparent on the eastern profiles of the cross section. One will also note the appearance of a deeper layer having an average velocity of 4.15 km...
1965
Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)
Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang
Search and Discovery.com
..., the cable ringing noise is strong. From Figure 3(a), the apparent velocity of ringing noise is close to the effective signal in the time domain...
2023
Geology, Evolution, and Mineral Potential of the Juan de Fuca Ridge
Janet L. Morton, William R. Normark, Dennis M. Mann; Donald H. Tompkins
Circum Pacific Council Publications
... the velocity of the overlying material. A low apparent velocity (i.e., near a water velocity of 1490 m/sec) would suggest that event B represented...
1987
The Innisfail Oil Field - A Case History
R. J. White, W. W. Charles
CSPG Special Publications
... interpretation based on the gradient in velocity through the Tertiary and the Upper Cretaceous sediments. It is readily apparent that the velocity...
1958
Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration
W. C. Krumbein
AAPG Bulletin
..., as Hafner (1940) and others showed. Swan (1942) prepared a series of contour maps representing apparent velocity variation to a time datum in several...
1951
Seismic Reflection Measurements of Northwest Australian Margin and Adjacent Deeps
J. J. Veevers , D. A. Falvey , L. V. Hawkins , W. J. Ludwig
AAPG Bulletin
... recorded at long distances from the buoys. Apparent velocity and intercept time were read from the records and corrected for variation of ship's speed...
1974
Geophysical Observations on Northern Part of Georges Bank and Adjacent Basins of Gulf of Maine
R. N. Oldale , J. C. Hathaway , W. P. Dillon , J. D. Hendricks , J. M. Robb
AAPG Bulletin
... be used with caution, as they are apparent values only, being measured in one direction only. Velocity values of 1.5-1.8 km/sec are inferred...
1974