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The AAPG/Datapages Combined Publications Database
Showing 604 Results. Searched 200,616 documents.
The Deep Crustal Structure of the Wilkes Land Continental Margin
J. R. Childs, H. M. J. Stagg
Circum Pacific Council Publications
... on the seismic-reflection records that were converted to depth using the approximate velocity solutions calculated without the dip correction. T h e...
1987
Geology and Structure of the Ross Sea Region
F. J. Davey
Circum Pacific Council Publications
... that the oldest sediments may be Late Cre taceous in age. The velocity-depth profile for the trough generally shows a complex character which may...
1987
Dropstone deposition: Results of numerical process modeling of deformation structures, and implications for the reconstruction of the water depth in shallow lacustrine and marine successions
Małgorzata Bronikowska, Małgorzata Pisarska-Jamroży, A.J. Tom van Loon
Journal of Sedimentary Research (SEPM)
... these parameters influence the final velocity much less than the water depth, so that it seems unjustified to go into detailed calculations...
2021
The Influence of Exhumation on Petroleum Prospectivity in the Sedimentary Basins of WA
P. F. Green, I. R. Duddy
Petroleum Exploration Society of Australia (PESA)
... logs (e.g. Japsen, 1997, 1998, 2000). The offset of measured sonic velocity at a given depth from a reference trend based on wells now...
2013
Sediments of the North Sea
K. Lüders
Special Publications of SEPM
...). The decrease in velocity with depth, however, is more rapid than out to sea, and near the bottom even at the time of strongest currents, the current has...
1955
Seismic Profile Through Patrick Draw-Table Rock Area, East Flank Rock Springs Uplift, Wyoming
Robert T. Ryder, Myung W. Lee, Warren F. Agena, Robert C. Anderson
Wyoming Geological Association
... and depth. Abnormally high and low velocity excursions due to factors such as borehole irregularities, cycle skipping, and intermittent sticking...
1989
The Influence of Proterozoic Structures on the Development of Laramide Structures, Northern Interior Plains, Northwest Territories, Canada
B.C. MacLean, D.G. Cook
CSPG Bulletin
.... Geophysical Note: A velocity model for the Proterozoic section was required for depth conversion purposes but determination of seismic velocities...
1992
Petroleum Geology of the Bakken Formation Williston Basin, North Dakota and Montana
Fred F. Meissner
AAPG Special Volumes
... in the transit time/velocity vs. depth plot. The "shallow trend" shows little scatter and depicts a normal slight increase of velocity with depth related...
1984
Petrology and Diagenetic History of Deltaic Litharenites, Oligocene Kugmallit Sequence, Beaufort-Mackenzie Basin, Arctic Canada
Franz W. Nentwich, Raymond W. Yole
CSPG Bulletin
... be obtained from studies of the interstratified mudstones. Diagenesis in these mudstones was believed to account for four sonic velocity/depth zones (Van...
1997
Presence of Preferential Flow Paths in Shallow Groundwater Systems as Indicated by Tracer Experiments and Geophysical Surveys
Murray E. Close, David C. Nobes, Liping Pang
Special Publications of SEPM
... to estimate the variations in the radar velocity with depth. This allowed us both to convert the TWT to an approximate depth, and also to determine what...
2004
Diagnosing Fracture Stimulation Effectiveness: A Case Study of the Marcellus Shale Energy and Environmental Lab (MSEEL)
Rob Bohn, Sergei Parsegov
Unconventional Resources Technology Conference (URTEC)
... pressure, the Eaton equation is used to examine the linear relationship that should exist between sonic compressional wave velocity and depth. Deviations...
2020
A New Pore Pressure Prediction Model for Naturally Fractured Shales and Stacked Plays: The Effect of Active Hydrocarbon Generation - A Powder River Basin Case Study
Daniel Orozco, Roberto Aguilera
Unconventional Resources Technology Conference (URTEC)
... but not all of the porosity loss/velocity gain is permanent. Therefore, if for some reason the effective stress at depth is reduced, the sonic velocity...
2021
Flood Deposits, Bijou Creek, Colorado, June 1965
E. D. McKee, E. J. Crosby, H. L. Berryhill, Jr.
Journal of Sedimentary Research (SEPM)
..., and Nordin, 1965, p. 35-37). No direct measurements of velocity or depth of water were available for this locality. Computations made on East Bijou Creek...
1967
The Environmental Significance of Cross Stratification Parameters in an Upper Carboniferous Fluvial Basin
Gilbert Kelling
Journal of Sedimentary Research (SEPM)
... unit thickness and both flow velocity (Brush, 1958) and the depth of water in the depositional environment (Allen, 1963a). Although other factors...
1969
Chapter 11: Fractal Dimension and Seismotectonic Deformation Rates along an Inter-plate Setting: Seismic Regime along the Caribbean Plate Boundary Zone
Juan M. Salazar, Carlos A. Vargas
AAPG Special Volumes
... with the velocity vectors obtained by GPS observations (red arrows) and collected by UNAVCO (2014). 10 km (6.2 mi) For depth ranges between 40 km (24.8 mi) and 80 km...
2015
Representation of Bed Configurations in Depth-Velocity-Size Diagrams
John B. Southard
Journal of Sedimentary Research (SEPM)
...Representation of Bed Configurations in Depth-Velocity-Size Diagrams John B. Southard 1971 Vol. 41 No. 4. (December), Use of depth and mean velocity...
1971
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... by the slow decrease in the velocity gradient with depth. The other class of abnormal pressure mechanisms is not associated with the compaction process...
2001
Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates
Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch
AAPG Special Volumes
... with arrows).The combination of the 3-D seismic data and the well data to make a depth map has revealed a very good relationship of velocity to depth...
2004
Methane-hydrate Occurrence and Distribution in the Eastern Nankai Trough, Japan: Findings of the Tokai-oki to Kumano-nada Methane-hydrate Drilling Program
Y. Tsuji, T. Fujii, M. Hayashi, R. Kitamura, M. Nakamizu, K. Ohbi, T. Saeki, K. Yamamoto, T. Namikawa, T. Inamori, N. Oikawa, S. Shimizu, M. Kawasaki, S. Nagakubo, J. Matsushima, K. Ochiai, T. Okui
AAPG Special Volumes
...] of drilling). The two-way traveltime curve provided a good control for the depth conversion of seismic data. It helped in the interval velocity analysis...
2009
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
...) (4921 and 11,483 ft/s). CDP = common depth point, TWT = two-way traveltime. 1 km = 0.6 mi.FIGURE 7. Three representative velocity distributions across...
2009
Deep Sea Carbonates: Acoustic, Physical, and Stratigraphic Properties
Larry A. Mayer
Journal of Sedimentary Research (SEPM)
..., C. L., 1957, Variation with depth in shallow and deep water marine sediments of porosity, density and the velocity of compressional and shear waves...
1979
Deep-Sea Channels, Topography, and Sedimentation
Henry W. Menard, Jr.
AAPG Bulletin
... ocean currents with a significant southerly velocity at a depth of at least 3,000 meters and the California Current is negligible at a depth of only...
1955
Paleochannel Patterns Inferred From Alluvial Deposits: A Critical Evaluation Perspective: PERSPECTIVE
John S. Bridge
Journal of Sedimentary Research (SEPM)
... on the higher parts of bars where velocity and depth are relatively diminished, and upper-stage plane beds occur locally in shallow areas of high velocity...
1985
Bathymetry and Faults of Gulf of California
Gene A. Rusnak , Robert L. Fisher , Francis P. Shepard
AAPG Special Volumes
... of such corrections. FOOTNOTE 6. With the temperature-salinity-pressure conditions prevailing at depth in the Gulf, the true sounding velocity ranges from...
1964
Coaxial Stretching or Lithospheric Simple Shear in the North Sea? Evidence from Deep Seismic Profiling and Subsidence: Chapter 33: North Sea and Barents Shelf
Simon L. Klemperer, Nicky White
AAPG Special Volumes
...). (a) True-scale depth migration, prepared using the program of Raynaud (1988). Sedimentary-rock velocities obtained from well logs; constant basement velocity...
1989