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The AAPG/Datapages Combined Publications Database
Showing 23,995 Results. Searched 195,354 documents.
Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)
Mostafa Naghizadeh and Kristopher A. Innanen
Search and Discovery.com
... of nonstationary seismic events In seismic data processing, nonstationarity means that the frequency/wavenumber content of the signal varies in time...
2015
Abstract: Push the Limits of Seismic Resolution Using Surface Consistent Gabor Deconvolution; #90171 (2013)
Xinxiang Li and Darren P. Schmidt
Search and Discovery.com
... for simplicity. Equations of the form (3) for all available traces construct a classic linear inverse problem (Wiggins et al, 1976) that can be solved using...
2013
Coupling Spatial and Frequency Uncertainty Analyses in Reservoir Modeling: Example of Judy Creek Reef Complex in Swan Hills, Alberta, Canada
Y. Zee Ma, Andrew Seto, Ernest Gomez
AAPG Special Volumes
... stratigraphic sequence and variogram, previously presented (Ma et al., 2008), confirm the vertical nonstationarity of the porosity across the reservoir interval...
2011
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... to overcome the problem of temporal non-stationarity of the ghost at high propagation angles. Finally, we examine our deghosting process on several...
2015
Modeling Complex Reservoirs with Multiple Conditional Techniques: A Practical Approach to Reservoir Characterization
H. Beucher-Darricau, B. Doligez, J. M. Yarus
AAPG Special Volumes
... of a static reservoir model. The problem is to choose the best one for a given geological setting. Different depositional and diagenetic environments require...
2006
Uncertainty in well test and core permeability analysis: a case study in fluvial channel reservoirs, northern North Sea, Norway
Shi-Yi Zheng, Patrick W. M. Corbett, Alf Ryseth, George Stewart
AAPG Bulletin
..., The sample support problem for permeability assessment in sandstone reservoirs, in J. M. Yarus and R. L. Chambers, eds., Stochastic modelling and geostatistics...
2000
Poisson Processes of Carbonate Accumulation on Paleozoic and Holocene Platforms
Bruce H. Wilkinson , Carl N. Drummond , Nathaniel W. Diedrich , Edward D. Rothman
Journal of Sedimentary Research (SEPM)
... average, respectively, amplitudes of Fischer plots afford a useful means to determine scales of statistical nonstationarity among unit thicknesses...
1999
Patterns of Stratigraphic Cyclicity
John C. Tipper
Journal of Sedimentary Research (SEPM)
... medium or high (if they are first-family or fourth-family sequences). The Problem of Nonstationarity.--Many cyclic sedimentation systems change...
2000
Facies Mosaics Across the Persian Gulf and Around Antigua-Stochastic and Deterministic Products of Shallow-Water Sediment Accumulation
Bruce H. Wilkinson, Carl N. Drummond
Journal of Sedimentary Research (SEPM)
... of shoreline and shelf-margin boundaries. To evaluate for this potential problem, we removed from the database those 24 "distal" sediment patches...
2004
Secular Variation in Parasequence and Facies Stacking Patterns of Platform Carbonates: A Guide to Application of Stacking-Patterns Analysis in Strata of Diverse Ages and Settings
Daniel J. Lehrmann, Robert K. Goldhammer
Special Publications of SEPM
... by in cases without facies shift cf supply driving mechanisms of around Mitchum et al in sediment the 1977 problem that could be formed...
1999
VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis
Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... the nonstationarity and the nonlinearity of the data (Huang et al., 1998). It is easy to tell that the number of EMD outputs can't be controlled, the algorithm would...
2016
Predicting Hydrocarbon Production Behavior in Heterogeneous Reservoir Utilizing Deep Learning Models
Fatick Nath, Sarker Asish, Happy R. Debi, Mohammed Omar S Chowdhury, Zackary J. Zamora, Sergio Muñoz
Unconventional Resources Technology Conference (URTEC)
... due to the complexity of their flow dynamics. The challenging formation seepage problem is simplified under specific assumptions (Ji et al., 2017; Sun...
2023
Multiple-point Geostatistics: A Quantitative Vehicle for Integrating Geologic Analogs into Multiple Reservoir Models
Jef Caers, Tuanfeng Zhang
AAPG Special Volumes
.... Hence, nonstationarity is present in the anisotropy of local patterns.FIGURE 2. Three possible candidates for a training image: (A) elliptical shapes...
2004
Characterization of Heterogeneity in Unsaturated Sandstone Using Borehole Logs and Cross-Borehole Tomography
Andrew Binley, Giorgio Cassiani, Peter Winship
Special Publications of SEPM
... of low contrast in velocity, the complexities of solving, at least approximately, the physics of the electromagnetic wave propagation problem...
2004
AAPG Studies in Geology 47: Geological Perspectives of Global Climate Change, Chapter 11 - The Search for Patterns in Ice-Core Temperature Curves
Davis, John C.; Bohling, Geoffrey C.
AAPG Special Volumes
... and behavior. Models suffer from a "degrees-of-freedom problem""there are many parameters, but little data from which to estimate the values of the parameters...
2001
Stratigraphic well correlations for 3-D static modeling of carbonate reservoirs
Jean R. F. Borgomano, Francois Fournier, Sophie Viseur, Lex Rijkels
AAPG Bulletin
... the scale and precision problem: Journal of Petroleum Science and Engineering, v. 28, p. 6579.Zampetti, V., U. Sattler, and H. Braaksma, 2005, Well log...
2008
Physics-Constrained Deep Learning for Production Forecast in Tight Reservoirs
Nguyen T. Le, Roman J. Shor, Zhuoheng Chen
Unconventional Resources Technology Conference (URTEC)
...) (LeCun et al., 2015) Long Short-Term Memory Unit. LSTM is a variant of RNN that was designed to handle the vanishing gradient problem (Hochreiter...
2021
Ephemeral-Fluvial Deposits: Integrated Outcrop and Simulation Studies Reveal Complexity
Colin P. North , Katy S. Taylor
AAPG Bulletin
... is a common problem with using outcrops as analogs to the subsurface: the smallest features (e.g., at the scale of individual bar forms) get sampled...
1996
Abstract: The Energy Problem - Can Texas Meet the Challenge
Forrest E. Hoglund
Houston Geological Society Bulletin
...Abstract: The Energy Problem - Can Texas Meet the Challenge Forrest E. Hoglund 1972 1 1...
1972
ABSTRACT: A Review of the Sixmile Creek Problem
Alan R. Tabrum
Montana Geological Society
...ABSTRACT: A Review of the Sixmile Creek Problem Alan R. Tabrum 1989 xvii xvii...
1989
Utilizing sedimentary process-based models as training images for multipoint facies simulations
Ingrid Aarnes, Helena van der Vegt, Ragnar Hauge, Bjørn Fjellvoll, Kjetil Nordahl
CSPG Bulletin
... on where they are, relative to the delta. To account for this nonstationarity, we divide the model into azimuth regions (Strebelle and Zhang, 2004...
2019
How Porosity and Permeability Vary Spatially with Grain Size, Sorting, Cement Volume, and Mineral Dissolution in Fluvial Triassic Sandstones: The Value of Geostatistics and Local Regression
J.M. McKinley, P.M. Atkinson, C.D. Lloyd, A.H. Ruffell, R.H. Worden
Journal of Sedimentary Research (SEPM)
... to address some of the limitations of conventional global regression models described in the . A potential problem with a GWR approach...
2011
Characterization of five unconventional diatomaceous (opal-A) reservoirs, Monterey Formation, San Joaquin Valley, California
David K. Larue, Christian Hager, Thomas Merrifield, Gena M. Evola, David Crane, and Phillip Yorgensen
AAPG Bulletin
... of well-defined fluid contacts in these diatomaceous reservoirs is not well understood, and this issue is introduced to define the problem. We believe...
2021
Notes on Present Status of the Problem of Exploration: ABSTRACT
E. L. DeGolyer
AAPG Bulletin
...Notes on Present Status of the Problem of Exploration: ABSTRACT E. L. DeGolyer 1942 899 899 26 5. (May) No End_of_Article - Last_Page 899...
1942
Stratigraphic Rule-based Reservoir Modeling
Michael J. Pyrcz, Richard P. Sech, Jacob A. Covault, Brian J. Willis, Zoltan Sylvester, Tao Sun
CSPG Bulletin
... models to well data is analogous to the problem of conditioning object-based models, there are additional challenges. The fundamental object-based...
2015