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The AAPG/Datapages Combined Publications Database
Showing 11,747 Results. Searched 195,596 documents.
Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic
David E. Sharbak
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... refraction and reflection occur. The borehole wall reflects some acoustic wave energy and refracts some energy into the formation and away from the tool...
1994
The Relict Nature of the Sediments and Submarine Topography Off Alligator Harbor, Florida
E. M. Hopkins, H. G. Goodell, S. A. Chesser, J. P. May, D. J. Poche
GCAGS Transactions
... of sediment colors, both of which are reflected by a rough correspondence between depth and color (Figure 5). These are stratigraphic and mechanical...
1969
Precambrian Stromatolites as Indicators of Polar Shift
Stephan C. Nordeng
Special Publications of SEPM
... In a very strong preferred bioherms however a large portion of the bioherm will receive most if not all of its light as diffused reflected and refracted...
1963
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... a grid cell to model turning rays in near-surface environments. This near-surface model was then used to compute surface-consistent refraction statics...
2014
Marine Sediments North of Scripps Submarine Canyon, La Jolla, California
C. Stanley Wimberley
Journal of Sedimentary Research (SEPM)
... and wave refraction: Trans. Amer. Geophysical Union, v. 31, pp. 196-212. End_of_Record - Last_Page 37-------- Just north of La Jolla, California...
1955
Natroalunite in Upper Cretaceous Sedimentary Rocks, North-Central Texas
Clarence S. Ross , Harlan R. Bergquist , Watson H. Monroe , Joseph J. Fahey , Malcolm Ross
Journal of Sedimentary Research (SEPM)
... is exceedingly fine-grained but retains a replica of a radial plumose structure which is reflected by the cauliflower-like outer form. Thus the nodules give...
1968
The Combined Effects of Wave Motion and Tidal Currents on the Morphology of Intertidal Ripple Marks: The Wash, U.K.
C. L. Amos , M. B. Collins
Journal of Sedimentary Research (SEPM)
..., p. 415-435. BINNIE AND PARTNERS, Ltd., Wave refraction diagrams, the Wash: unpubl. material. CHAN, K. W., M. H. BIARD, AND G. F. ROUND, 1972...
1978
Lineaments, Geomorphology and Tectonism in the Southern Mississippi Embayment, Arkansas and Mississippi*
P. Donald Erickson
Bulletin of South Texas Geological Society
... the Precambrian. These geophysical lines of evidence include plutons reflected in gravity surveys, refraction seismic profiling of the crust across...
1986
Esperson Dome, Liberty County, Texas
W. L. Goldston, Jr. , George D. Stevens
AAPG Bulletin
..., by Piepmeyer and Company. This work was a combination of refraction and reflection shooting. No attempt was made by this company to contour the beds...
1934
The Heavy Mineral Population within the Beach Sand Facies of the Meridian Sand Exposed in Mississippi
William R. Reynolds
GCAGS Transactions
..., as both are shinney blue-black in reflected light. Generally, ilmenite initially derived from gabbro or diorite terrains is not pure and is more...
1992
Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin
Alvin K. Benson
Williston Basin Symposium
... abruptly, and part of the energy is reflected back to the surface, where it is recorded by geophones. Seismic time sections are graphic...
1995
Saskatchewan Exploratory Progress and Problems
R. A. Bishop
CSPG Bulletin
...-cat wells are surface geology, stratigraphic drilling, refraction seismograph, electrical surveys, and radar and airborne radiation surveys...
1953
Seismic Surveying
W.B. Heroy Jr., R.A. Arnett
Appalachian Geological Society
... SOCIETY that penetrates the new material tends to bend, this bending being known as refraction. As a result of this change some of the energy is reflected...
1949
Circum-North Atlantic Tectono-Stratigraphic Reconstruction
Laurence M. Wilson
CSPG Special Publications
... supercontinent, Pangaea. Several wrench fault lineations related to the Paleozoic collisional events are reflected as transform offsets in Mesozoic seafloor...
1981
Formation, Evolution, and Hydrocarbon Prospect of the Makassar Basin, Indonesia
Dr. B. Situmorang
Circum Pacific Council Publications
... ' S latitude and 117 to 119°E longitude, with represents the so-called Paternoster Fault. (Situmorang, 1982) Another steep gradient reflected in isobath...
1982
Geology and Oil-Gas Prospects of the Zapadno-Chu Depression
G. Kh. Dikenshteyn, F. Ye. Sinitsyn, Ye. A. Sokolova
Petroleum Geology: A Digest of Russian Literature
... of the Zapadno-Chu depression is also reflected in the character of the magnetic field, which exhibits alternating positive and negative anomalies...
1963
Geophysical Techniques in the Study of Hydrocarbon-Contaminated Soil
Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
..., such as seismic refraction, electrical resistivity, and/or GPR, many subsurface problems can be detected, and the sooner they are detected and evaluated...
2008
Grand Isle Block 16 Field, Offshore Louisiana
Richard J. Steiner
AAPG Special Volumes
... face toward the south and the more gently sloping face toward the north. Based on seismic refraction surveys, a very large salt overhang is present...
1976
An Experimental High-Resolution Seismic Survey over Tin-Mine Ponds
Surendra Singh, G. A. Van Klinken
Geological Society of Malaysia (GSM)
..., using an upper velocity value of 1700 m/s for the alluvium velocity in this area. Wavelengths of the reflected signal would be less than 3.5 m...
1984
Geodynamics of the Transitional Zone from the Moma Rift to the Gakkel Ridge: Rifted Margins: Field Investigations of Margin Structure and Stratigraphy
A. F. Grachev
AAPG Special Volumes
... not reflected in topography; 17 -- foredeep compensated by sedimentation; 18 -- transition zone; 19 -- displaced and submerged parts of the Barents-Kara Sea...
1982
Magnetic and Seismic Reflection Studies on Continental Shelf off Portuguese Guinea, Guinea, and Sierra Leone, West Africa
Robert L. McMaster , Jelle De Boer , Asaf Ashraf
AAPG Bulletin
... streamed a maximum of 60 m behind the sound source. The reflected energy was filtered into several low-frequency bands within the limits of 80-320 Hz...
1970
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... of propagating seismic waveform (Fig. 3). This initial simple model will not produce any reflected and transmitted events since it is a single homogeneous solid...
2014
Chapter 23: Crustal Structure and Geologic History of the Espino Rift, Venezuela, Based on Potential Fields, Seismic Reflection, and Well Data
Lourdes Rodriguez, Paul Mann, Stuart Hall
AAPG Special Volumes
..., Caracas, Venezuela, 198 p. Guédez, M., 2007, Crustal structure across the Caribbean-South American plate boundary at 70W-Results from seismic refraction...
2021
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
... now to the previous Figure, we note in the upper left corner a plot giving the fraction of reflected energy for the particular model as a function...
1987
Decadal Behavior of Tidal Inlet–Associated Beach Systems, Northwest Ireland, in Relation to Climate Forcing
Marianne C. O’Connor, J. Andrew G. Cooper, Derek W. T. Jackson
Journal of Sedimentary Research (SEPM)
... variability reflected in the North Atlantic Oscillation (NAO). Using the available datasets which are, perforce, incomplete, we investigate potential...
2011