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The AAPG/Datapages Combined Publications Database
Showing 5,455 Results. Searched 200,293 documents.
Sediment Dispersal Within the Cocos Gap, Panama Basin
Lynn G. Dowding
Journal of Sedimentary Research (SEPM)
...----------------------- of constant sum: Jour. Geophys. Res., v. 65, no. 12, p. 4185-4193. CURRAY, J. R., 1960, Tracing sediment masses by grain size modes: Report, 21st...
1977
Geologic Quantification: Description ^rarr Numbers ^rarr Success Ratio
Irving T. Schwade
AAPG Bulletin
... for the entire category. For simplicity, these sub-categories are arranged in different groups, each containing several variable elements. Each group...
1967
Chapter 10: 2-D Pore Architecture Characterization of a Carbonate Mudrock Reservoir: Insights from the Mid-Continent “Mississippi Lime”
Beth Vanden Berg, G. Michael Grammer
AAPG Special Volumes
... architecture coupled with diagenetic alterations and a multiscale fracture network. Additionally, there is a significant shift in measured sonic velocity...
2016
Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key
Richard D. Miller, Zachary Lawrence, Alex Martinez, Julian Ivanov, Dmitry Borisov, Joseph Reilly
International Meeting for Applied Geoscience and Energy (IMAGE)
... are more pronounced at high frequency and must be suppressed on uncorrelated data. At frequencies above 200 Hz the vibroseis source has an energy...
2023
Multichannel compressive sensing for seismic data reconstruction using joint sparsity
Iga Pawelec, Michael Wakin, Paul Sava
International Meeting for Applied Geoscience and Energy (IMAGE)
... generate 100 signals (200 samples long), with each signal defined as the sum of K sinusoids with different frequencies and random phase shifts: f...
2022
Ichnologic, Taphonomic, and Sedimentologic Clues to the Deposition of Cincinnatian Shales (Upper Ordovician) Ohio, U. S. A.
Danita Brandt Velbel
Special Publications of SEPM
... These trilobite shales occur at different stratigraphic horizons throughout the Cinncinnatian Series The Certain near thickness and lateral extent...
1984
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
.... While the sum over rays may include mode conversions, reflections and head waves in a future version, presently only the three direct arrival types...
2015
Sedimenit Gravity Flows
Gerard Middleton, John B. Southard
Special Publications of SEPM
... example, a quite different relationship Referring to Chapter 1, and integrating the equation for holds0 the velocity of laminar flow down an inclined...
1984
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)
Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau
Search and Discovery.com
.... The effectiveness and possible issues of this scheme in suppressing multiples are described and discussed for two different synthetic velocity models...
2010
Q-compensation imaging of anisotropic viscous quasi-acoustic media along wavefield propagation path
Bohan Zhang, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... shows the imaging results of different imaging algorithms using the same simulated data. (a) (b) (c) (d) imaging result. The sum of the right end...
2022
Fan-Delta to Submarine Fan Conglomerates of the Volgian-Valanginian Wollaston Forland Group, East Greenland
Finn Surlyk
CSPG Special Publications
...Fan-Delta to Submarine Fan Conglomerates of the Volgian-Valanginian Wollaston Forland Group, East Greenland Finn Surlyk 1984 359 382 A major episode...
1984
Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)
P. B. Wills and K. De Meersman
Search and Discovery.com
... wave field. Refraction Seismic monitoring Refraction seismic monitoring acquires head waves travelling on a high velocity formation below...
2014
Unraveling the Origin of Carbonate Platform Cyclothems in the Upper Triassic Durrenstein Formation (Dolomites, Italy)
Nereo Preto, Linda A. Hinnov
Journal of Sedimentary Research (SEPM)
..., but the distribution of power within the obliquity band is different than expected, with most of the power concentrated in the lower frequencies (the 1/46 cycles...
2003
New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)
M. Kemper
Geological Society of Malaysia (GSM)
... by a (banded) matrix W (typically a different W matrix per partial angle stack). The product of W and D we can call system matrix X, into which the scaling...
2012
Interfacial Tension and Mineral Adhesion Properties of Cyclopentane Hydrate
Zachary M. Aman, Luis E. Zerpa, Giovanny Grasso, William E. Leith, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh
Unconventional Resources Technology Conference (URTEC)
..., Taylor & Francis Group: Boca Raton, FL, 2008. 2. Koh, C. A.; Sum, A. K.; Sloan, E. D., Gas hydrates: Unlocking the energy from icy cages. Journal...
2013
Flow of Weak Rocks in Appalachian Plateau Folds
D. V. Wiltschko , W. M. Chapple
AAPG Bulletin
... Plateau of Pennsylvania and south-central New York, Region I, the salt-bearing part of the Silurian Salina Group is the deformed zone; no other part...
1977
Petrophysical characterization at the extremes and across three continents: contrasting examples from Utica, Marcellus, Longmaxi and Roseneath-Murteree resource shales
M. Ben Clennell, Matthew Josh, Lionel Esteban, Claudio Delle Piane, David Dewhurst, Vladimir Luzin
Unconventional Resources Technology Conference (URTEC)
... density instead of scaled sonic slowness to produce a pseudo TOC curve for the shale matrix (RHOB_logRt), while a different baseline was used to fit core...
2017
Quantifying Roundness of Detrital Minerals By Image Analysis: Sediment Transport, Shape Effects, and Provenance Implications
Alberto Resentini, Sergio AndÒ, Eduardo Garzanti
Journal of Sedimentary Research (SEPM)
... of different facies to establish the relative efficiency of mechanical processes as a function of depositional environment and transporting medium...
2018
Proportion of Glacially To Fluvially Induced Quartz Grain Microtextures Along the Chitina River, SE Alaska, U.S.A.
Dustin E. Sweet, David K. Brannan
Journal of Sedimentary Research (SEPM)
... conditions in source areas during deposition of the Ash Hollow Formation, Ogallala Group (late Tertiary), of western Nebraska: American Journal of Science...
2016
The Stratigraphy and Oil Prospects of Alberta, Canada
F. H. McLearn, G. S. Hume
AAPG Bulletin
..., Sum. Report (1912), pp. 165-76. FOOTNOTE 4. E. M. Kindle, Pan-American Geologist, Vol. 42 (1924), pp. 113-24. FOOTNOTE 5. H. W. Shimer, Geological...
1927
Ambient Fracture Imaging: A New Passive Seismic Method
Alfred Lacazette, Jan Vermilye, Samuel Fereja, Charles Sicking
Unconventional Resources Technology Conference (URTEC)
... seismic methods can provide bulk measures of velocity and velocity anisotropy. Although these values have proven useful in many cases for fracture...
2013
Stabilizing two-term clock-drift inversion in ocean-bottom node processing
Beng Seong Ong, Zhaojun Liu, Carsten Udengaard
International Meeting for Applied Geoscience and Energy (IMAGE)
..., there are still small leakages between the different water velocity, node position and clock-drift. Those small leakages could be a result of approximation used...
2024
Seascape Metrics of Shelf-Margin Reefs and Reef Sand Aprons of Holocene Carbonate Platforms
Eugene C. Rankey, Joaquin Rodrigo Garza-Perez
Journal of Sedimentary Research (SEPM)
... platforms and from platforms within different regions are characterized by log-normal size-frequency distributions. (4) Widths of these facies belts vary...
2012
Textural and Shape Variation in the Berea Sandstone of Ohio
Fred Foreman, Harry L. Thomsen
Journal of Sedimentary Research (SEPM)
..., which is equal to, or less than, n2, or in other words d2. N is the sum of the frequencies and is always greater than f except when all...
1940
Comparison of Marcellus Fracturing Using Azimuthal Seismic Attributes Versus Published Data From Outcrop Studies
Tanya L. Inks, Terry Engelder, Jacki S. Hocum, Bruce Golob, Darien O'Brien
Unconventional Resources Technology Conference (URTEC)
... play. Rose diagrams from quantitative fracture analysis using azimuthal seismic velocity volumes are compared to published data from Appalachian black...
2014