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The AAPG/Datapages Combined Publications Database
Showing 20,863 Results. Searched 200,641 documents.
A Comparison of Air Photograph and Computer Simulated Wave Refraction Patterns in the Nearshore Area, Richibucto, Canada and Jervis Bay, Australia
Edward A. Bryant
Atlantic Geology
... for progressive periodic waves: c T T L C d g = I? = = = = = = ^ tanh 1 1 (Wiegel 1964, pp. 13-15) wave period wave length wave velocity water depth...
1974
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
...Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010) Patrícia P. Ferreira, Marco Antonio, Cetale...
2010
Bed Forms and Sand Transport Paths in Non-Tidal Currents, Northwest European Shelf: Abstract
N. H. Kenyon, R. A. Flather
CSPG Special Publications
... of the outer shelf in depths of 100 to 150 m and exceed 100 cm/s in some parts of the North Sea. Tidal, surge and wave oscillatory currents are strong enough...
1986
Processes of Sand Transport in the Inner Margins of the Continental Shelf: ABSTRACT
D. S. Gorsline, J. W. Vernon, A. Schiffman
AAPG Bulletin
..., sediments move in ripples, in directions that are determined by bottom wave velocity and sediment size. Sediments of different size grades move...
1965
Reversed-Climbing Ripples and Sand-Wave Deposition in Arkansas River: ABSTRACT
Roderick W. Tillman, Charles W. Ellis
AAPG Bulletin
...Reversed-Climbing Ripples and Sand-Wave Deposition in Arkansas River: ABSTRACT Roderick W. Tillman, Charles W. Ellis 1968 552 552 52 3. (March...
1968
Abstract: Application of Shear Wave Anisotropy for Natural Fracture Detection in a Cased Well; #90063 (2007)
Search and Discovery.com
2007
ABSTRACT: Hydrocarbon Characterization in Jatibarang Volcanic Fracture Reservoirs; #90061 (2006)
Benyamin Benyamin, M.I. Tachjudin Taib, E. Suparka, and P. Permadi
Search and Discovery.com
... Modulus, Lame Constanta, Bulk Modulus, Young Modulus and Acoustic Impedance which is entirely alighted from Compression Wave Velocity (P) and Shear Wave...
2006
Geophysical Corner Articles from September 1996 — present, Compiled by Randy Ray
Search and Discovery.com
N/A
Antidunes as Trochoidal Waves
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
... the wave as a particle traveling under the influence of gravity with average velocity v (Tricker, 1964, p. 161). Figure 3 shows that the velocity...
1969
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... objective of the initial update was to obtain a more accurate symmetry-axis analysis and P-wave velocity update. The remaining 3 updates were performed...
2012
Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers
Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu
International Meeting for Applied Geoscience and Energy (IMAGE)
... Oil Company, 2022 Summary In the past decade, full waveform inversion (FWI) has become a powerful tool to obtain high-resolution subsurface velocity...
2022
Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)
Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang
Search and Discovery.com
..., anisotropic velocity modeling, correction of seismic migration velocity field, upgoing wave imaging, common receiver gather optimization imaging, downgoing...
2023
Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)
C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji
Search and Discovery.com
... of the SFL is influenced by the presence of creeks and surface water, and the surface wave velocity has several strong lateral variations. The same sharp...
2013
Seismic imaging of the Turtle Mountain structure, southwestern Alberta, Canada
J.H. Isaac, D.C. Lawton, C.W. Langenberg
CSPG Bulletin
... in the section, which is expected to be relatively undeformed. Prestack depth migration provided better images. Our most effective velocity models...
2008
Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic
David E. Sharbak
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., natural fracture identification and porosity determination. Exploration geologists use shear wave velocity to tie two-way travel time to depth. Shear...
1994
Time-Lapse Acoustic Monitoring of Facture Alteration in Marcellus Shale
Jihui Ding, Anthony C. Clark, Tiziana Vanorio, Adam D. Jew, John R. Bargar
Unconventional Resources Technology Conference (URTEC)
... leads to an average of 3% decrease in S∥-wave (polarized parallel to fracture) velocity, and fracture acidizing results in an average of 2% decrease...
2020
Analysis of the influence of bedding-parallel cracks on shale anisotropy based on stress-induced rock physics model
Ying Xu, Feng Zhang, Guohua Niu, Xiangyang Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...-parallel crack density (ex-situ), P-wave velocity, S-wave velocity, bulk density, Thomsen’s anisotropy parameters and , from left to the right). (b...
2024
Seismic Time to Depth Conversion and Uncertainty Analysis for Horizon Prediction in a Proposed Well-Site of Sungai Gelam Field, Jambi Subbasin
Muhamad Wildan P., Imam Muda Gunawan, Andry Pujiriyanto, Sudarmaji
Indonesian Petroleum Association
... interpretation. In determining the value of depth, slope, thickness of a reflective plane (reflector) understanding seismic wave velocity is essential...
2013
Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon
David McCann
Unconventional Resources Technology Conference (URTEC)
...Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon David McCann URTeC: 2878680 Improving...
2018
Petrophysical Classification of Siliciclastics for Lithology and Porosity Prediction from Seismic Velocities (1)
LEV VERNIK and AMOS NUR
AAPG Bulletin
... state in a wide range of depths because of dramatically reduced pressure sensitivity of velocities when most microcracks are closed. The P-wave velocity...
1992
Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra
Eddy Murhantoro, Jeff Wright
Indonesian Petroleum Association
... VSP's were run in the Central Sumatra area (Figure 6) using airgun source in a pit to obtain more shear-wave velocity data. These data are essential...
1989
TTI Wave Equation Migration by Phase-Shift Plus Interpolation
Richard A. Bale
Search and Discovery.com
...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...
Unknown
TTI Wave Equation Migration by Phase-Shift Plus Interpolation
Richard A. Bale
Search and Discovery.com
...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...
Unknown
Representation of Bed Configurations in Depth-Velocity-Size Diagrams
John B. Southard
Journal of Sedimentary Research (SEPM)
...Representation of Bed Configurations in Depth-Velocity-Size Diagrams John B. Southard 1971 Vol. 41 No. 4. (December), Use of depth and mean velocity...
1971
Seismic simulations of experimental strata
Lincoln Pratson, Wences Gouveia
AAPG Bulletin
.../cwpcodes>). We first outline the preprocessing of the full-wave equation simulation and the development of a velocity model from these data. We...
2002