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The AAPG/Datapages Combined Publications Database
Showing 5,117 Results. Searched 195,372 documents.
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... frequencies were selected between 3.1 Hz and 21 Hz. Figures 4 depict the reconstructed velocity models using GN and FN methods from noisy data set with SNR...
2015
Delineating Thin-Bed Tight Gas Sand Reservoir with Prestack Joint PP/PS Inversion, #41363 (2014)
Zhiwen Deng, Ming Qiang, Shuanghu Shi, Xiaofeng Liang, Yang Zhu, Yijun Zhou, Qingjia Tong
Search and Discovery.com
.... Conventional 3C velocity and image are generally computed in different time scales; PP wave is processed with PP time scale and PS wave with PS time scale. PP...
2014
The Combined Effects of Wave Motion and Tidal Currents on the Morphology of Intertidal Ripple Marks: The Wash, U.K.
C. L. Amos , M. B. Collins
Journal of Sedimentary Research (SEPM)
...) swell waves originating from outside the immediate area. This classification was made on the basis of wave morphology (Table 1), the former group...
1978
Enhanced depth imaging for subsurface faults, fracture and karst: Application in Malaysian carbonate field
Yasir Bashir, Deva Prasad Ghosh, Seyed Yaser Moussavi Alashloo, Amir Babasafari, Chow Weng Sum
Geological Society of Malaysia (GSM)
... Yaser Moussavi Alashloo, Amir Babasafari, Chow Weng Sum PERTEMUAN PERSATUAN (Meetings of the Society) S2-37 Enhanced depth imaging for subsurface...
2018
How to Reconcile Security and Safety Issues with Seismic Quality in Obstructed and Populated Areas: Case Study Handil 3D Seismic
Aa Pian Nopiana, Michel Erbetta, Alain Etchemendy, Christophe Paulet, John Conant, Stephan Ruhlmann, Alain Carnemolla, Ganda M. Simangunsong
Indonesian Petroleum Association
... longitudinal, vertical and transversal velocity. The graph as depicted in Figure 4 is analyzed to find peak vector sum (PVS). At the same period of time...
2012
Synthetic seismic models from outcrop-derived reservoir-scale three-dimensional facies models: The Eocene Ainsa turbidite system (southern Pyrenees)
O. Falivene, P. Arbues, J. Ledo, B. Benjumea, J. A. Munoz, O. Fernandez, S. Martinez
AAPG Bulletin
... investigates the effects of different scales of heterogeneity and seismic frequencies on synthetic seismic images. Moreover, using a 3-D, highly constrained...
2010
Identification of Fluid Movement in the Formation and Behind Casing Through the Use of Thermal and Acoustic Energy from Production Logs
Jose González, Alejandro Linares, Jairo Pérez, Alexander Castro, Virginia Mayorga, Danelys Bernal Correa, Juan Marin, Mario Ardila Moreno, Diego Rodriguez, Jose Vasquez
Unconventional Resources Technology Conference (URTEC)
... in waves. The methodology involves acquiring spectral noise logs (both in low and high frequency), fiber optic logs (including DTS - distributed...
2023
Heavy Mineral Correlations and Provenances
Louis I. Briggs
Journal of Sedimentary Research (SEPM)
... as variables (Q-mode). Imbrie and van Andel (p. 1135) note the limitations on factoring the frequencies of variables whose frequency is a constant sum...
1965
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
.... In addition, static correction will determine the velocity model created. Travel time tomography has a role to facilitate the calculation...
2019
Weather Patterns and Coastal Processes
William T. Fox, Richard A. Davis Jr.
Special Publications of SEPM
... approaches the northwest the wind The 7 barometric pressure drops steadily and is moderate at 8 to 10 m sec velocity waves are 0 5 to 0 8 meters...
1987
Marine Techniques
C. Hans Nelson
Special Publications of SEPM
... acoustic reflectors, facies for different modern fan environments, the lateral and vertical continuity and three-dimensional lithofacies of modern...
1984
Unfathomable: The shifting sand of wave base
Eugene C. Rankey, Christian M. Appendini
Journal of Sedimentary Research (SEPM)
... at the same depth, subject to the same waves, respond differently due to variable sediment, vegetation, or substrates. In sum, carbonate sediment...
2022
Rock-Fluid Interaction Impact on Geomechanical and Acoustic Properties in Shale Reservoirs: Anisotropic Grain Contact Adhesion Model
Binh T. Bui, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... Moduli in Sedimentary Rocks, Geophysics, V. 57, No. 12, 1571-1583. 26. Tutuncu, A. N., 1992, Velocity Dispersion and Attenuation of Acoustic Waves...
2014
Formation of Ripple Bands in a Wave-Convergence Zone
K. P. Black , T. R. Healy
Journal of Sedimentary Research (SEPM)
... is the orbital excursion). For sinusoidal waves, the maximum bed-orbital velocity is given by um = [H]/[T sinh (kh)], (4) and the orbital excursion is d0...
1988
Using Thomsen's Model to Analyze Composition and Internal Structure of Shales; #90017 (2003)
Jose Agnelo Soares, Margareth da Silva Brasil Guimaraes
Search and Discovery.com
... 2 - Velocity map for waves propagating in a vertical plane of TH-26 shale sample. Figure 1 - Velocities of waves propagating in a vertical plane...
2003
High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs
Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser
Unconventional Resources Technology Conference (URTEC)
... objects and in general all objects which are small compared to the wavelength of seismic waves. We show results in different areas of the world...
2015
Dynamics of Sediment Movement
Gerard Middleton, John B. Southard
Special Publications of SEPM
..., as a function of dimensionless shear Experimental results are for grains of velocity u*/u*c. different densities (different symbols) but all of (From...
1984
Geophysical Insights into Completions and Production Predictability for a Shale Gas Reservoir Using Fault Intensity and AVO Inversion
Carl Reine, Sean Lovric
Unconventional Resources Technology Conference (URTEC)
... to determine a measure of reservoir brittleness (Rickman, 2008), or “fracability”. When extended to different azimuthal sectors, the anisotropy...
2013
Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps
Peter Japsen
AAPG Bulletin
..., Geological map of Denmark. The Danish Basin. "Base Chalk" and the Chalk Group. Two-way time and depth, thickness and interval velocity: Geological Survey...
1993
The Porosity Logs
John H. Doveton
Special Publications of SEPM
... neutron absorption by different matrix minerals. Example ofa neutron log in a carbonate - shale sequence A compensated neutron log is shown...
1994
Hydrodynamic behaviors of pachycephalosaurid domes in controlled fluvial settings: A case study in experimental dinosaur taphonomy
Joseph E. Peterson, Carol L. Bigalke
PALAIOS
... entrainment velocity; One-way ANOVA (C) and Tukey’s HSD (D) results for transport distance. A Sum of squares D.F. Mean squares F p 1.04887...
2013
Application of Multiple Comparisons to Grain Size on Sand Waves
John T. Wells , John C. Ludwick
Journal of Sedimentary Research (SEPM)
...-STP be contained in the same group resulting from Range-STP or SNK procedures. It can be argued that a different zoning of the sand waves would...
1974
Predicting Autosuspension in Steady Turbidity Flow: Ignition Points and Their Relation to Richardson Numbers
Henry M. Pantin, Mark C. Franklin
Journal of Sedimentary Research (SEPM)
... waves: Sedimentology, v. 53, p. 1265–1287, doi: 10.1111/j.1365-3091.2006.00812.x. Fukushima, Y., and Parker, G., 1990, Numerical simulation of powder...
2009
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... transform is applied to the wavefield localized in windows, which sum to one, known collectively as a partition of unity. This procedure is called...
Unknown
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... transform is applied to the wavefield localized in windows, which sum to one, known collectively as a partition of unity. This procedure is called...
Unknown