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The AAPG/Datapages Combined Publications Database
Showing 5,279 Results. Searched 197,434 documents.
Dynamic Significance of Primary Structures in the Middle Jurassic Great Oolite Series, Southern England
George Devries Klein
Special Publications of SEPM
... noted Froude currents producing summary sand the waves These sand tidal currents same high velocity 3 which are was large sand...
1960
The Composition, Structure and Erodability of Subtidal Mats, Abaco, Bahamas
A. Conrad Neumann, Conrad D. Gebelein , Terence P. Scoffin
Journal of Sedimentary Research (SEPM)
... and mucilage to produce stromatolitic structures whose morphology was controlled by current velocity and rates of sediment FOOTNOTE 2. Contribution...
1970
Depositional Processes of a Meandering Channel on Mississippi Fan
K. A. Kastens, A. N. Shor
AAPG Bulletin
..., in A. Poldervaart, ed., Crust of the earth: GSA Special Paper 62, p. 279-302. Flood, R. D., and G. Bryan, 1983, Sediment velocity profiles from hydrophone...
1985
Use of Apple II in Mapping Geology of Coastal Plain of NPR Alaska: ABSTRACT
Thomas G. Payne
AAPG Bulletin
...-driven system in BASIC for computing and plotting (1) time, depth, and average velocity to geologic horizons; (2) interval time, thickness...
1982
Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks
Nathaly L. Archilha, Roseane M. Missagia, Cathy Hollis, Marco A. R. de Ceia, Samuel A. McDonald, Irineu A. Lima Neto, David S. Eastwood, and Peter Lee
AAPG Bulletin
..., 1974a, Velocity and attenuation of seismic waves in two-phase media: Part I. Theoretical formulations: Geophysics, v. 39, p. 587–606, doi...
2016
Late Pennsylvanian Storm-Dominated Shelf Sand Ridges, Sacramento Mountains, New Mexico
David L. Carr , Alan J. Scott
Journal of Sedimentary Research (SEPM)
... and sheetflow in 0.177 mm quartz sand under waves of different period (sec). Curves terminate at their maximum stable wave height. End_Page 604...
1990
Distinguishing Depositional Environments in Shallow-Water Mixed, Bio-Siliciclastic Deposits on the Basis of the Degree of Heterolithic Segregation (Gelasian, Southern Italy)
Domenico Chiarella, Sergio G. Longhitano
Journal of Sedimentary Research (SEPM)
... that usually characterize shallow marine settings, including waves, currents, and tides (Longhitano 2011). Since varying depth conditions imply different...
2012
Abstract: How to Attenuate Diffracted Noise: (DSCAN) A New Methodology; #90211 (2015)
Ali Karagul, Todd Mojesky, XinXiang Li, and Necati Gulunay
Search and Discovery.com
... at the calculated travel times for each diffraction trajectory. Applications to different 3D and 2D data show the efficiency of this method. Introduction...
2015
Recognition of Subtle Features in Geologic Maps
J. E. Robinson, D. F. Merriam
CSPG Special Publications
... is from the sands and carbonates of the Lansing-Kansas City Group approximately 300 m lower in the section. The filled-in circles represent producing...
1980
Acoustic Properties of Sediment on the Southern Tonga Platform as Determined from Seismic Sonobuoy Studies
Jonathan R. Childs
Circum Pacific Council Publications
... - 1 . 500 0. 000 42 Table CHILDS 2 LAYER (continued) INTCPT DEPTH THICK VELOCITY TT INC SUM TT SLOPE LAYER INTCPT DEPTH THICK...
1985
The Carolina Cretaceous: Petrographic Reconnaissance of A Graded Shelf
Donald J. P. Swift , S. Duncan Heron, Jr. , Charles E. Dill, Jr.
Journal of Sedimentary Research (SEPM)
...., 1958, A model relating cynamics and sediment pattern in End_Page 32------------------------- equilibrium in the region of shoaling waves, breaker...
1969
Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well
Brian Fuller
Unconventional Resources Technology Conference (URTEC)
... incident seismic waves. In fact, diffraction energy recorded in seismic data provides important signal for seismic migration programs to sum...
2022
2010
Leveraging Unsupervised Machine Learning on Seismic Images of Miocene Deposits in the Carpathian Foredeep Basin for Facies Classification
Reva Wiratama, Fikrah Elhifzi Harahap, Imoleayo Fashagba, Kamil Cichostępski
Indonesian Petroleum Association
... the possibility and complexity of the model. In contrast, K-Means Clustering is an iterative algorithm that is capable to group data into features...
2022
Behavior of Fluids
Gerard Middleton, John B. Southard
Special Publications of SEPM
.... There are thus many different Reynolds numbers, with different length and velocity variables depending on the particular problem. You'll encounter others...
1984
Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
International Meeting for Applied Geoscience and Energy (IMAGE)
...) 2.92 km (i) 3.36 km (j) 4.02 km 4.62 km Figure 5: 1-D velocity models at different; (a-f) Y-positions: 1.48 km, 8.63 km, 9.19 km, 9.71 km...
2023
Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas
Osareni Ogiesoba, Alexander Klokov
Unconventional Resources Technology Conference (URTEC)
... at diffraction points. Furthermore, cross plots between instantaneous dominant frequencies extracted from the diffraction-image volume and amplitude...
2016
Introduction to Ground-Water Hydrology, 1993 - Darcy's Law
New Orleans Geological Society
... velocity. Hydraulic Head Hydraulic head is a measure of energy per unit mass of ground water. It is measured simply as the level above an arbitrary datum...
1993
Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data
Carolyn Brauer Hudson, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
... of grains is complexly polymodal (Ehrlich et al., 1980a,b). Each histogram (sample) has a constant row sum since the grain frequencies are normalized to 100...
1980
Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)
Scott Leaney and Chris Chapman
Search and Discovery.com
...orption-dispersion model is used. The sum over rays may include mode conversions, reflections, internal multiples and head waves in addition ...
2014
Fast, Fully Probabilistic, Nonlinear Inversion of Seismic Attributes for Petrophysical Parameters; #120047 (2012)
Andrew Curtis, Mohammad Shahraeeni, and Gabriel Chao
Search and Discovery.com
... that velocity measurements in different directions using different frequencies (e.g. seismic data and well logs) require consideration of elastic scattering...
2012
Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)
Jiwu Lin, Sylvestre Charles, Josef Heim
Search and Discovery.com
... process. The error was only discovered in the middle of the depth imaging phase as the tomography velocity model building iterations were no longer...
2014
One more stride forward in Thunder Horse subsalt imaging with elastic FWI
Bunmi Elebiju, Qingsong Li, Ken Hartman, Francis Rollins, Ye Feng, Karl Kaiser, Werner Schinagl, Chi Chen, Alex Yanjun Hao, Zhiyuan Wei, Jiawei Mei
International Meeting for Applied Geoscience and Energy (IMAGE)
... in both acquisition and imaging, primarily due to the massive salt canopy that causes distorted and poor illumination, leading to velocity and imaging...
2022
A novel approach to investigate the deposition of (bio)chemical sediments: The sedimentation velocity of cyanobacteria–ferrihydrite aggregates
Yuhao Li, Bruce R. Sutherland, Murray K. Gingras, George W. Owttrim, Kurt O. Konhauser
Journal of Sedimentary Research (SEPM)
... sedimentation velocity with different chemical parameters, eleven experiments were conducted over a range of pH values and initial Fe(II...
2021
Photometer Method for Studying Quartz Grain Orientation
Joseph D. Martinez
AAPG Bulletin
... of the quartz crystal bisects the 90° angle formed by the crossed nicols, the waves will become in phase and the resultant will become equal to the sum...
1958