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The AAPG/Datapages Combined Publications Database

Showing 22,837 Results. Searched 189,234 documents.

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Abstracts: Interpolation of Nonstationary Seismic Records using a Fast Generalized Fourier Transform; #90173 (2015)

Mostafa Naghizadeh and Kristopher A. Innanen

Search and

... of nonstationary seismic events In seismic data processing, nonstationarity means that the frequency/wavenumber content of the signal varies in time...


Abstract: Push the Limits of Seismic Resolution Using Surface Consistent Gabor Deconvolution; #90171 (2013)

Xinxiang Li and Darren P. Schmidt

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... 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...


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...


Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)

Mike J. Perz and Hassan Masoomzadeh

Search and

... to overcome the problem of temporal non-stationarity of the ghost at high propagation angles. Finally, we examine our deghosting process on several...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


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...


Spectral Analysis of the Middle Triassic Latemar Limestone

Linda A. Hinnov, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

.... Of the six procedures, those of Thomson (1982) were the most revealing. We also addressed the statistical problems of nonstationarity and nonnormality...


Reactive transport modeling of early burial dolomitization of carbonate platforms by geothermal convection

Fiona F. Whitaker, Yitian Xiao

AAPG Bulletin

.... 273298, doi:10.1007/BF00119858.Arvidson, R. S., and F. T. Mackenzie, 1999, The dolomite problem: Control of precipitation kinetics by temperature...


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