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The AAPG/Datapages Combined Publications Database
Showing 5,455 Results. Searched 200,357 documents.
Wavelet analysis of well-logging data from oil source rock, Egret Member, offshore eastern Canada
Andreas Prokoph, Frederik P. Agterberg
AAPG Bulletin
.... Computer Model 1. (A) Primary signal given by the sum of waves with three periods in the ratio of 100:41:21 that simulate Milankovitch cyclicities of 100...
2000
Fluvial Sedimentology: An Historical Review
Andrew D. Miall
Dallas Geological Society
... particles of different sizes and concluded that competence varied at between the 3.2 and 4.0 power of mean velocity, depending on which experimental...
1977
Fluvial Sedimentology: An Historical Review
Andrew D. Miall
CSPG Special Publications
... particles of different sizes and concluded that competence varied at between the 3.2 and 4.0 power of mean velocity, depending on which experimental...
1977
Coral Pinnacle Sedimentation, Alacran Reef Lagoon, Mexico
Charles M. Hoskin
Journal of Sedimentary Research (SEPM)
... lagoon can be characterized by three different depositional environments. These are: (1), Pinnacle crest, an area of living colonial stony corals...
1966
The qualitative and quantitative classification of modern clastic marginal-marine depositional systems, Trinidad
Saeed Khan, Hasley Vincent, Brent Wilson
Journal of Sedimentary Research (SEPM)
..., R.W., eds., Principles of Tidal Sedimentology: Springer, p. 129– 150. Hallermeier, R.J., 1981, Terminal settling velocity of commonly occurring sand...
2021
Huronian Stratigraphy and Paleocurrent Analysis in the Espanola-Willisville Area, Sudbury District, Ontario, Canada
Satyendra M. Casshyap
Journal of Sedimentary Research (SEPM)
... the north-northeast and north-northwest quadrant. However, variance values f r cross-bedding azimuths commonly show a well marked variation at different...
1968
Abstract: Interpolation by Angular Deconvolved prior MWNI (AdMWNI); #90224 (2015)
Mark Ng and Dan Negut
Search and Discovery.com
... sum on the input data spectrum, and then by constructing an angular weight function as the dip guide. By multiplying the angular weight function...
2015
Sediments and Depositional History of the Southeast Lobe of the Colorado River Delta, Texas
Leroy L. Manka , Richard Steinmetz
GCAGS Transactions
... the documented stages of Delta development, and matched with sediments presently accumulating in the different environments found in the study area...
1971
Distribution of Clay Minerals on Belize Shelf
Martha R. Scott
AAPG Special Volumes
.... On the barrier platform, agitation by currents and waves resuspends the sediment and permits montmorillonite to be transported away from the shoal...
1975
An Elutriator Method for Particle-size Analysis with Quantitative Silt Fractionation
Leon R. Follmer, A. H. Beavers
Journal of Sedimentary Research (SEPM)
... the system free of particles smaller than a specific size. When the velocity of a rising current in a water system equals the terminal settling...
1973
Update 2010: Airborne Transient Pulse Surveys for Hydrocarbon ExplorationMajor Recent Improvements; #40686 (2011)
Leonard A. LeSchack, John R. Jackson, James K. Dirstein, William B. Ghazar, Natalya Ionkina
Search and Discovery.com
... Patent 5,777,478. It follows, therefore, that electronically parsing pulses of different frequencies in a survey can estimate the depths from which...
2011
ON DRILLING FREQUENCY AND MANLY'S ALPHA: TOWARDS A NULL MODEL FOR PREDATOR PREFERENCE IN PALEOECOLOGY
JANSEN A. SMITH, JOHN C. HANDLEY, GREGORY P. DIETL
PALAIOS
... holes—is commonly interpreted as an indication of a predator’s preference. Such taxon-specific drilling frequencies are often compared with one...
2018
Ecological interactions between Rhipidomella (Orthides, Brachiopoda) and its endoskeletobionts and predators from the Middle Devonian Dundee Formation of Ohio, United States
Rituparna Bose, Chris Schneider, P. David Polly, Margaret M. Yacobucci
PALAIOS
... as strophomenides and spiriferides, which are more often encrusted in Devonian localities of North America—the Silica Shale of Ohio, Hamilton Group of New...
2010
Changing Wave Parameters, Due to Shoaling, and Sediment Transport
William F. Tanner
GCAGS Transactions
..., Orbital velocity associated with wave action near the breaker zone: Beach Erosion Board, Technical Memorandum No. 79; 71 p. May, James P., 1974...
1997
Analyzing the impact of additive and multiplicative noise on seismic data analysis
Akshika Rohatgi, Andrey Bakulin, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... at higher frequencies. Bakulin et al. (2022) recognized that reflection distortions caused by small-scale scattering play a significant role...
2024
Chapter 10: The Role of Integrated Reservoir Petrophysics in Horizontal Well Evaluations to Increase Production in the Eagle Ford Shale
Kevin B. Fisher
AAPG Special Volumes
... and in rocks with much different reservoir quality and stress magnitude than those in the pilot hole, which can adversely affect the production...
2016
Grain size matters: late Quaternary dynamics of a sediment-routing system in Canterbury Basin, South Island, New Zealand
Tania Villaseñor,,, John M. Jaeger, Kathleen M. Marsaglia, Jasmyn Nolasco, Carrie Bender-Whitaker, Claire Bailey
Journal of Sedimentary Research (SEPM)
... of intense debate because of the potential for loss of the signal due to autogenic processes. We analyze the provenance of three different grain-size...
2025
Thickness Changes in Sedimentary Layers During Compaction History; Methods for Quantitative Evaluation
Raymond Perrier , Jacques Quiblier
AAPG Bulletin
... in shales because little has been published on the subject. Urick's (1947) equation relates velocity of compressional waves, compressibilities...
1974
Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks; #40897 (2012)
Alexander O. Rozanov
Search and Discovery.com
..., propagation and recording of elastic waves. One of the main questions remains open - how do radiated elastic waves carry information about physical parameters...
2012
The Time Value of Money: Part 2. Economics and Risk Assessment
Robert S. Thompson
AAPG Special Volumes
... sum investment and the present value of a lump sum of money received in the future. The concept being applied is one of equivalence, in which...
1992
Central Texas Coast Sedimentation: Characteristics of Sedimentary Environment, Recent History, and Diagenesis: PART 1
Francis P. Shepard, David G. Moore
AAPG Bulletin
... are ordinarily closed may be opened, carrying water into the bays (Fig. 4). Currents are considerably different in the open Gulf than in the bays. The waves...
1955
Continental-slope instability triggered by seepage: An experimental approach
Carolina H. Boffo, Tiago A. de Oliveira, Daniel Bayer da Silva, Rafael Manica, Ana Luiza de O. Borges
Journal of Sedimentary Research (SEPM)
... them to the outflow velocity of the aquifer. Values of piezometric pressure in response to the different discharges allowed relationships...
2020
Recognition of Ancient Shallow Marine Environments
Philip H. Heckel
Special Publications of SEPM
... on dominance of four PHILIP H 232 oxide silicate carbonate or Each sulphide facies group reflects different degrees of avail ability...
1972
Design and Calibration of a Photo-extinction Settling Tube for Grain Size Analysis
Asahiko Taira , Peter A. Scholle
Journal of Sedimentary Research (SEPM)
...), A new type of settling tube has been designed for analysis of settling velocity distribitions in sediments having diameters ranging from clay...
1977
Depositional Controls Over Porosity Development in Lithic Sandstones of the Appalachian Basin: Reducing Exploration Risk
Richard Smosna, Kathy R. Bruner
AAPG Special Volumes
... depositional processes, lithology, and porosity, we predict that sandstones of different sedimentary environments should exhibit distinct porosity volumes...
1997