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The AAPG/Datapages Combined Publications Database
Showing 1,267 Results. Searched 201,044 documents.
Evidence for Milankovitch Periodicities in Cenomanian-Turonian Lithologic and Geochemical Cycles, Western Interior U.S.A.
B. B. Sageman , J. Rich , M. A. Arthur , G. E. Birchfield , W. E. Dean
Journal of Sedimentary Research (SEPM)
... biozone boundary ages using several statistical techniques, such as maximum likelihood estimation and smoothing cubic spline fitting. The Kauffman...
1997
PTTC Network News - Vol. 8, No.4 - 2002
Karl Lang
PTTC
... as a complex network of capillary stream tubes allows one to process discontinuities in pressure data more directly, rather than smoothing them to fit...
2002
Hydrocarbon Generation, Migration, Leakage and Seepage on the West Tasmanian Margin
G. W. O'Brien, P. R. Tingate, J. E. Blevin, C. J. Boreham, A. Mitchell, C. Calver, A. Williams
Petroleum Exploration Society of Australia (PESA)
... of approximately 10,000 km' of ocean surface. Satellite-based SAR data can be used to map seepage slicks by detecting the smoothing or calming effect...
2004
Application of Novel Stabilized Zone Simulation and Flow Diagnostics for the Interpretation of the SRV and Assessment of Multiwell Interference
Ching-Hsien Liu, Kenta Nakajima, Michael J. King
Unconventional Resources Technology Conference (URTEC)
.... The authors were aware that the field data might require certain data smoothing techniques to reduce noise and better understand the physical meaning behind...
2021
Simple X-Ray Diffraction Techniques to Identify Mg Calcite, Dolomite, and Magnesite in Tropical Coralline Algae and Assess Peak Asymmetry
Merinda C. Nash, Bradley N. Opdyke, Zhongwei Wu, Huifang Xu, Janice M. Trafford
Journal of Sedimentary Research (SEPM)
... was improved by using the scan smooth function in EVA (smooth factor 0.10). Smoothing reduces noise on the scan that is attributed to background scatter...
2013
Deposition of the Bromide Formation, Arbuckle Mountains, Oklahoma: Ontogeny of an Ancient Carbonate Shelf
Mark W. Longman
Oklahoma City Geological Society
... is presently smoothing the complex karst topography of Palawan in the Philippines (Longman and Brownlee, 1980). The Mountain Lake Member (Fig. 5...
1982
The Extent and Patterns of Sediment Filling of Accommodation Space On Great Bahama Bank
Sam J. Purkis, Paul M. Mitch Harris
Journal of Sedimentary Research (SEPM)
... to remove divisions separating two objects of the same facies category. A smoothing filter was then used to refine the remaining landscape objects...
2016
Stratigraphy and Composition of a Jura-Cretaceous Volcanic Arc Apron, Punta Eugenia, Baja California Sur, Mexico
James J. Hickey
Pacific Section SEPM
... and erosion, smoothing of topography and integration of drainage that acted to d i f f e r e n t i a t e Eugenia and Perforada sediments compositionally...
1984
Geologic Interpretation of Gravity Anomalies of Northeastern Utah
James T. Smith, Kenneth L. Cook
Utah Geological Association
... was drafted from the computer-contoured map with some hand smoothing of the contours; also a 5-mgal contour interval was used for the Uinta Mountains area...
1985
Discovery of Paleogene Deposits of the Central High Plains Aquifer In the Western Great Plains, U.S.A.
Jon J. Smith, Greg A. Ludvigson, Anthony Layzell, Andreas Möller, R. Hunter Harlow, Elijah Turner, Brian Platt, Michael Petronis
Journal of Sedimentary Research (SEPM)
... of similarity due to over-smoothing of peak shapes. PDP cross-correlation values for the six detrital zircon samples from HP1A and CMC1 are all > 0.40...
2017
Continental Slopes
Arnold H. Bouma
Special Publications of SEPM
... nature of the shoreline Such trends strongly favor struc tural control and or smoothing by prograding sediments Major deltas are an exception Aud ley...
1979
Late Quaternary Sea-Level Changes in Maine
Daniel F. Belknap, Bjorn G. Andersen, R. Scott Anderson, Walter A. Anderson, Harold W. Borns Jr., George L. Jacobson, Joseph T. Kelley, R. Craig Shipp, David C. Smith, Robert Stuckenrath Jr., Woodrow B. Thompson, David A. Tyler
Special Publications of SEPM
...; and Eastport, Maine (Fig. 4). There are complex problems, however, of smoothing of daily data to monthly means, filtering, and assimilating local meterological...
1987
Tintaburra Field--Australia Eromanga Basin, Queensland
C. B. Newton
AAPG Special Volumes
... on basement and Hutton horizons. Smoothing of the depth values resulted in one culmination being mapped at the top of the Hutton level with 65 ft (19.8 m...
1992
Modeling of Azimuthal Gamma Ray Tools for Use in Geosteering Unconventional Reservoirs
Haijing Wang, Ed Stockhausen, Dennis Wyatt, Dean Gulick
Unconventional Resources Technology Conference (URTEC)
... than the quadrant data and both may benefit from smoothing. For the Field Example C, the tool only provides up and down quadrant data in real-time...
2018
Granite Wash Alluvial Fans, Fan-Deltas and Tidal Environments, Northwestern Alberta: Implications for Controls on Distribution of Devonian Clastic Wedges Associated with the Peace River Arch
Tomasz Dec, Frances J. Hein , Richard J. Trotter
CSPG Bulletin
... to elongate paleotopographic lows, associated with draping and pinching out of sediments over the ridges and a smoothing of basement irregularities. Some...
1996
Data-Driven Approach to Optimize Stimulation Design in Eagle Ford Formation
Francisco Herrero Clar, Agustin Monaco
Unconventional Resources Technology Conference (URTEC)
...-Analysis Tool Using Nonparametric Smoothing Models To Identify Drillsites in Tight Shale Reservoirs With High Economic Potential, SPE-189440, 2017 SPE...
2019
Late Cretaceous, Paleocene, and Early Eocene Paleogeography of the Bighorn Basin and Northwestern Wyoming
David Seeland
Wyoming Geological Association
... on the Willwood vector mean map were smoothed to produce a moving-average map. Smoothing was accomplished using the following technique: a 10-kilometer grid...
1998
Mantle Origin of Global Sea-Level Fluctuations and Geomagnetic Reversals: Evidence from Non-Linear Dynamics
J. F. Collins, J. Bon
Indonesian Petroleum Association
... or troughs. This correlation is similar to one presented in Smith (1994), without smoothing functions. Figure 4. Pattern behavior correlations...
1996
Anomalous Diffusion or Classical Diffusion in an Anomalous Reservoir? Evaluation of the Impact of Multi-Phase Flow on Reservoir Signatures in Unconventional Reservoirs
Christopher Clarkson, Bin Yuan, Zhenzihao Zhang, Farshad Tabasinejad, Hamid Behmanesh, Hamidreza Hamdi, Dave Anderson, John Thompson, Dylan Lougheed
Unconventional Resources Technology Conference (URTEC)
... for the first day were not available, data frequency is daily in the current work, and likely differing amounts of smoothing were applied in the derivative...
2019
Basin Structure of the U.S. Atlantic Margin: Rifted Margins
Kim D. Klitgord , John C. Behrendt
AAPG Special Volumes
... smoothing of the results. The comparison between the magnetic depth estimates and the seismic reflection data (Fig. 4a) was produced by projecting the depth...
1979
Turbidite Sedimentary Structures and their Relationship to Proximal and Distal Depositional Environments1
Roger G. Walker
Journal of Sedimentary Research (SEPM)
... as large enough to give a representative value of P, small enough not to cause excessive smoothing of the moving average trend line, and a simple...
1967
Chapter 10: Earthquake, Tomographic, Seismic Reflection, and Gravity Evidence for a Shallowly Dipping Subduction Zone beneath the Caribbean Margin of Northwestern Colombia
Rocio Bernal-Olaya, Paul Mann, Carlos A. Vargas
AAPG Special Volumes
...; (2) weights given to each value when inverting for P and S velocities, source location, and simultaneous station corrections; and (3) smoothing...
2015
Oil Discovery Index Rates and Projected Discoveries of the Free World
L. F. Ivanhoe
AAPG Special Volumes
... backdated to the year of discovery or in which drilling statistics are estimated. This smoothing can be recognized on the DI graphs as a horizontal...
1986
Preservation of Chlorophyll Derivatives in Sediments Off Southern California
Wilson L. Orr , K. O. Emery , John R. Grady
AAPG Bulletin
... to nearshore a gradual shallowing (both absolute and with respect to their sil s), a broadening, and a smoothing of irregularities. The trend is continued...
1958
Interstitial Waters of Black Sea Sediments: New Data and Review: Water
F. T. Manheim , K. M. Chan
AAPG Special Volumes
... and the smoothing effect of salt diffusion in the direction of lower concentration (chiefly downward). The uppermost part of piston-core profiles may be distorted...
1974