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The AAPG/Datapages Combined Publications Database
Showing 773 Results. Searched 200,619 documents.
Transgressive Shore Zone Sedimentation and Syndepositional Deformation in the Pleistocene of Zululand, South Africa
D. K. Hobday , M. P. A. Jackson
Journal of Sedimentary Research (SEPM)
... convolution of laminae in upper part. 15-cm pen for scale, left center. 3.2 km north of Richards Bay. FIG. 5. [Grey Scale] Southwestward (alongshore...
1979
Mudstones and Thin-bedded Turbidites Associated with the Upper Cretaceous Wheeler Gorge Conglomerates, California: A Possible Channel-Levee Complex
Roger G. Walker
Journal of Sedimentary Research (SEPM)
... and, hence, susceptibility to convolution by shear from the turbidity current. The high rates of deposition are more likely in a near-source channel...
1985
Flexure of the Lithosphere: Chapter 5
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
.... This method is based on the linearity of equation 5.2 and is sometimes referred to as a convolution. Consider the load distribution p(x) shown in Figure...
1990
Pleistocene Periglacial Eolian Deposits in Southwestern Alaska: Sedimentary Facies and Depositional Processes
Peter D. Lea
Journal of Sedimentary Research (SEPM)
.... 139-153. VANDENBERGHE, J., AND VAN DEN BROEK, P., 1982, Weichselian convolution phenomena and processes in fine sediments: Boreas, v. 11, p. 299-315...
1990
Shelfbreak Gullies; Products of Sea-Level Lowstand and Sediment Failure: Examples from Bowser Basin, Northern British Columbia
Brian D. Ricketts , Carol A. Evenchick
Journal of Sedimentary Research (SEPM)
...-apart (boudinage), convolution, and microfaulting at the millimeter scale, to large packages of overturned and internally disrupted slide blocks...
1999
Braided-River Deposits in A Muddy Depositional Setting: The Molina Member of the Wasatch Formation (Paleogene), West-Central Colorado, U.S.A.
John C. Lorenz, Gregory C. Nadon
Journal of Sedimentary Research (SEPM)
..., tectonically induced fractures that are more common throughout the formation (Lorenz 1997). The largest measured zone of soft-sediment convolution encompasses...
2002
Lithofacies Mapping of Viola Limestone in South-Central Kansas, Based on Wireline Logs
E. Bornemann , J. H. Doveton
AAPG Bulletin
... boundaries is diffused as a train of peaks and troughs through convolution by an energy-source wavelet. Areal Mapping of Compositional Variation Mapping...
1983
An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)
JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE
AAPG Bulletin
... and compared the resulting convolution to the observed seismic data. The reflection coefficients used for the synthetic seismograms are shown at the right...
1991
Characterization of Petrophysical Flow Units in Carbonate Reservoirs: Discussion
F. Jerry Lucia , A. J. Martin, S. T. Solomon, and D. J. Hartmann
AAPG Bulletin
...), which compute uniform Sw) within geologic cycles. Using logs to determine flow units is a form of convolution or lumping by which to integrate...
1999
Frequency-dependent seismic-stratigraphic and facies interpretation
Hongliu Zeng
AAPG Bulletin
... of 20-, 35-, and 80-Hz peak frequencies (or 26-, 45.5-, and 104-Hz predominant frequencies, respectively). No noise is added to the convolution...
2013
Automatic facies classification using convolutional neural network for three-dimensional outcrop data: Application to the outcrop of the mass-transport deposit
Ryusei Sato, Kazuki Kikuchi, and Hajime Naruse
AAPG Bulletin
... data). A convolutional neural network (CNN) is a neural network with convolution layers that are beneficial to grasp features in images and is widely...
2025
Reinterpreting the Paleosalinity and Water Depth of Peripheral Foreland Basin Flysch; #30508 (2017)
Roger Higgs
Search and Discovery.com
... to the next suggest convolution of solar cycles (c. 1-2 ka) and Milankovitch orbital cycles (20, 40, 100, 400 ka)” (Higgs 2014)! Higgs 2015 AAPG Lisbon...
2017
Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... simplifications, such as the geometrical factor, a linear convolution filter, or equivalent circuit-based approximations as the exact electromagnetic...
2011
The Subduction Myth*
S. Warren Carey
Southeast Asia Petroleum Exploration Society (SEAPEX)
...), and in a sequence from concordant convolution without fracture to increasing discordance, rupture and’ fragmentation. Metamorphic minerals...
1975
Earthquake Swarm near Great Sand Dunes, Colorado, Investigated with Temporary Seismic Network and Machine Learning Seismic Phase Analysis
Kyren R. Bogolub, Jackson P. Bell, Enrique R. Chon, Robert M. Kirkham, Anne F. Sheehan
Rocky Mountain Association of Geologists
... these earthquakes, we installed a temporary network of seismometers in the area during 2019 and used a convolution neural network seismic phase picker along...
2023
Physics-Constrained Deep Learning for Production Forecast in Tight Reservoirs
Nguyen T. Le, Roman J. Shor, Zhuoheng Chen
Unconventional Resources Technology Conference (URTEC)
... convolution operation in CNN, it is required to discretize spatial domain; temporal domain is treated separately and also required to be discretized...
2021
Reconstructing suspended sediment mercury contamination of a steep, gravel-bed river using reservoir theory
Katherine J. Skalak, James Pizzuto
Environmental Geosciences (DEG)
..., it is easy to compute the total mass of Hg, , sequestered in FGCM deposits in any year , using the convolution: in which is the total mass...
2014
Sedimentary Features in the Lake Bonneville Group in the East Shore Area, Near Ogden, Utah
J. H. Feth
Utah Geological Association
.... 157–163, Florissant, Colo., fossils), N. Y., World Book Co., 558 p. Cockrell, T. D. A., 1925, “Plant and Insect Fossils from the Green River Eocene...
1955
Rift-Initiated Permian to Early Cretaceous Subsidence of the Sverdrup Basin
R. A. Stephenson, A. F. Embry, S. M. Nakiboglu, M. A. Hastaoglu
CSPG Special Publications
...-analytical convolution method for determining deformation. The deformation and sediment and lithosphere thicknesses are transferred back to the finite...
1987
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
... in the wells. In order to apply the inversion methodology outlined in Figure 8 (Bashore and Araktingi, 1994), we assume a one-dimensional convolution...
1995
Preliminary Stratigraphy for a Portion of the Wilkes Land Continental Shelf, Antarctica: Evidence from Till Provenance
E. W. Domack
Circum Pacific Council Publications
... the matrix (Domack et al., 1 9 8 0 , Fig. 3 ) . Convolution of the laminae occur in D F - 7 9 - 3 6 at two levels within the core...
1987
Pseudo-Pressure and Pseudo-Time Analysis for Unconventional Oil Reservoirs With New Expressions for Average Reservoir Pressure during Transient Radial and Linear Flow
Randy Roadifer, Hosein Kalaei
Unconventional Resources Technology Conference (URTEC)
... available as paper SPE 937044-G. Muskat, M.: Physical Principles of Oil Production, McGraw-Hill Book Company, Inc., New York, (1949). Nobakht, M...
2015
A Novel Approach for Production Transient Analysis of Shale Gas/Oil Reservoirs
Changdong Yang, Vishal Sharma, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
...r more generally replaced by a convolution integral. For example, for 2 2 qw qw 4 t t e p e 4t . Similarly, for build-up, the right han...
2015
Rapid Refracturing Candidate Selection in Shale Reservoirs Using Drainage Volume and Instantaneous Recovery Ratio
Changdong Yang, Xu Xue, Jixiang Huang, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
...ly replaced by a convolution integral. The drainage volume 𝑉 𝑑 (𝑡) in Eq.5 provides the starting point and basis of our analysis. The Boltzma...
2016
Stratigraphy and Depositional Environments of the Middle Member of the Minnelusa Formation, Central Powder River Basin, Wyoming
Robert J. Desmond, James R. Steidtmann, Donald F. Cardinal
Wyoming Geological Association
... of deformation varies from mild convolution to spectactular parabolic overturning of the cross-beds (Figure 20). The deformed corss-beds commonly grade...
1984