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The AAPG/Datapages Combined Publications Database
Showing 45 Results. Searched 196,431 documents.
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Machine Learning Based Stereoscopic Triple Sweet Spot Evaluation Method for Shale Reservoirs
Yuxuan Deng, Wendong Wang, Xianfei Du, Yuliang Su, Shibo Sun, Yan Zhang
Unconventional Resources Technology Conference (URTEC)
... space, attempting to preserve as much as possible the local structure of the data in the lowdimensional space. The t-SNE transforms the Euclidian...
2023
Improvements in Graphical Representation of Fabric Data, Showing the Influence of Aspect Ratios of Grains on Their Orientations
Atsushi Yamaji, Fujio Masuda
Journal of Sedimentary Research (SEPM)
... of 180°, and R cannot be less than 1, so that it is difficult to define such a Euclidian distance using variables R and φ. Elliott's (1970...
2005
Benefiting from Variogram Information to Characterize Facies Distribution in History Matching with EnKF; #41315 (2014)
A. Abadpour, P. Bergey, R. Piasecki, and T. Blanchard
Search and Discovery.com
... of information beneficial both in the model space and in the observation space, mainly to parameterize facies distribution uncertainty adaptable to be handled...
2014
Fractal analysis of graphoglyptid trace fossils
James R. Lehane, A.A. Ekdale
PALAIOS
... configurations by combining shape complexity and space usage into one number, the fractal dimension. Fractal dimensions of such graphoglyptid burrows...
2013
A Method of Fracture Prediction Across Multiple Stratigraphic Horizons in the Midland Basin, Texas, USA
Caleb Pollock, Christian Seiler, Manoel Valcárcel, Euan Macaulay
Unconventional Resources Technology Conference (URTEC)
... the relationship. URTeC 2878217 6 Figure 5: Grid of Euclidian distance to fault traces (left) and mean fracture intensity as power law function...
2018
Demystifying Data-Driven Neural Networks for Multivariate Production Analysis
Ayush Rastogi, Karn Agarwal, Ely Lolon, Mike Mayerhofer, Oladapo Oduba
Unconventional Resources Technology Conference (URTEC)
... instance. The winning neuron is selected based on minimum discriminant function, which is squared Euclidian distance in this analysis. The advantage...
2019
Palinspastic Maps of Central Appalachians
John M. Dennison , Herbert P. Woodward
AAPG Bulletin
... of space analysis, Woodward's map was roughed out from regionwide generalizations plus personal observations derived from long field experience...
1963
Paleoecologic assessment of an edrioasteroid (Echinodermata) encrusted hardground from the Upper Ordovician (Maysvillian) Bellevue Member, Maysville, Kentucky
René A. Shroat-Lewis, Michael L. McKinney, Carlton E. Brett, David L. Meyer, Colin D. Sumrall
PALAIOS
... A in relationship to present north, X-Y position on a Euclidian grid, substrate type, and taphonomic grade. Ambulacral width (Fig. 5) was noted...
2011
Introduction to Fractals
Roy E. Plotnick
Special Publications of SEPM
...-similarity in Euclidian objects 1.3. WHAT ARE FRACTALS? 3 increase the magnification, we still see a line segment. In other words, any part...
1995
Paleoecologic analysis of edrioasteroid (Echinodermata) encrusted slabs from the Chesterian (Upper Mississippian) Kinkaid Limestone of southern Illinois
René A. Shroat-Lewis, Emily N. Greenwood, Colin D. Sumrall
PALAIOS
... occurs frequently as a result of competition for space. A striking example of edrioasteroids superimposed onto a larger edrioasteroid substrate may...
2019
Recent Sedimentary Facies of Isolated Carbonate Platforms, Belize-Yucatan System, Central America
Eberhard Gischler , Anthony J. Lomando
Journal of Sedimentary Research (SEPM)
... in Time and Space: Society of Economic Paleontologists and Mineralogists, Special Publication 18, p. 9-76. PURDY, E.G., 1974b, Karst determined facies...
1999
An Explicit Full-Range Settling Velocity Equation for Mud Flocs
Kyle Strom, Ali Keyvani
Journal of Sedimentary Research (SEPM)
... and variable fractal dimension over a range of parameter space is presented. The model is also compared to historic settling-velocity data from in situ...
2011
Fruit Ecology of Eocene and Neogene Plant Assemblages in Europe: Tracing Shifts in Dispersal Syndromes
Johanna Kovar-Eder, Ute C. Knörr, Petr Mazouch
PALAIOS
...+azonal taxa of the integrated plant record. The dendrogram for cluster analysis is based on Ward’s method using squared Euclidian distance. Numbers...
2012
A paleoecologic comparison of two edrioasteroid (echinodermata) encrusted pavements from the Upper Ordovician Corryville Formation of Florence, Kentucky and the Miamitown Shale of Sharonville, Ohio U.S.A.
René A. Shroat-Lewis, Colin D. Sumrall, Michael L. Mckinney, David L. Meyer
PALAIOS
... to present-day north, substrate type, X–Y position on a Euclidian grid, and taphonomic grade were recorded. Histograms of maximum edrioasteroid thecal...
2014
Carbonate Sediment Production, Transport, and Supply To A Coral Cay At Raine Reef, Northern Great Barrier Reef, Australia: A Facies Approach
John L. Dawson, Scott G. Smithers
Journal of Sedimentary Research (SEPM)
...). Hierarchical cluster analysis (dendrogram using Ward's method, Euclidian distance, nonstandardized variables) was used to discriminate facies types...
2014
Geochronologic Scales
W. B. Harland
AAPG Special Volumes
... place represented the same point in space because with respect to space and time all is relative. Nevertheless, the Euclidian frame that is easy...
1978
Assessing the internal character, reservoir potential, and seal competence of mass-transport deposits using seismic texture: A geophysical and petrophysical approach
Tiago M. Alves, Kuncho Kurtev, Gregory F. Moore, Michael Strasser
AAPG Bulletin
..., The influence of local gradients on accommodation space and linked depositional elements across a stepped slope profile, offshore Brunei, in H. H...
2014
The magnetic fabric of the Wolfcamp shale, Midland Basin, west Texas: Understanding petrofabric variability, hydrocarbon associations, and iron enrichment
Gerhard W. Heij, and R. Douglas Elmore
AAPG Bulletin
... to their natural log and standardized to achieve symmetric or normal distributions. Clustering was performed using a Euclidian dissimilarity measure...
2019
Modern River Deltas: Variability of Processes and Sand Bodies
J. M. Coleman, L. D. Wright
Houston Geological Society
... of deltas. By cluster analysis the deltas were grouped into clusters, within which the members are regarded as similar at some given affinity (Euclidian...
1975
Fruit Dispersal Ecology of Woody Taxa in Temperate to Tropical Forests of China and Japan
Ute C. Knörr, Johanna Kovar-Eder, Petr Mazouch, Anita Roth-Nebelsick
PALAIOS
... (Leyer and Wesche, 2008). We used the Euclidean square distance as a metric space to calculate the sum of squared distances. The cluster analysis...
2012
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