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The AAPG/Datapages Combined Publications Database
Showing 155 Results. Searched 200,293 documents.
Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)
David Gray
Search and Discovery.com
... and the shearwaves have followed almost exactly the same raypath, the effect must be due to seismic velocity anisotropy in the overburden (Bale, 2011...
2015
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... least squares migration with a Double Square Root (DSR) operator to express reflectivity as a function of subsurface position and ray parameter...
2015
SYNTHETIC SEISMOGRAMS
Search and Discovery.com
N/A
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... structure. This may lead to incorrect static correction and inaccurate raypath prediction, and by extension inaccurate traveltime calculation. Small...
2022
Structural and stratigraphic control on the migration of a contaminant plume at the P Reactor area, Savannah River site, South Carolina
Antonio E. Cameron Gonzalez, Camelia C. Knapp, Michael G. Waddell, Adrian D. Addison, John M. Shafer
Environmental Geosciences (DEG)
... raypath correction, and (4) picked amplitude correction for geometric and radiation pattern. These corrections and processing steps were applied prior...
2010
GeoConvention 2014; - Abstracts, #90224 (2015).
Search and Discovery.com
2015
Vertical Seismic Profiling in Hydrocarbon Exploration and Reservoir Development
Bob A. Hardage
Circum Pacific Council Publications
... with surface reflection profiling with the raypaths that occur in vertical seismic profiling. This raypath comparison is shown 2 x 2 Figure 5. Diagram...
1989
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
...) Peg-leg multiple reflections (Figure I b). Total raypath includes a primary reflection and one or more raypaths in the water layer. c) Intrabed...
1988
Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology
Bjorn N. P. Paulsson, John W. Fairborn
Indonesian Petroleum Association
... front. We tried crosswell tomography here because it has the potential to determine the steam-liquid interface. The critical parameter, the velocity...
1990
Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado
George C. Robertson, Dirk W. McDermott, Rex L. Tang
Rocky Mountain Association of Geologists
... attempts to remove this remaining velocity effect proved unsuccessful and were abandoned. This discrepancy is attributed to raypath distortions...
1995
The Use of Time-Lapse Seismic Attributes for Characterizing Hydraulic Fractures in a Tight Siltstone Reservoir
N. Riazi, C.R. Clarkson
Unconventional Resources Technology Conference (URTEC)
...) where is the acoustic impedance at the ith interface. In the above model, the assumptions include no multiples and a vertical raypath. The seismic...
2017
Malossa Field: A Deep Discovery in the Po Valley, Italy
G. Errico, G. Groppi, S. Savelli, G. C. Vaghi
AAPG Special Volumes
...------------------------ The interpretation was made on the time record sections, including diffraction hyperbolas and other seismic raypath distortion, to allow...
1980
Induced Seismicity Near Fox Creek, Alberta: Interpretation of Source Mechanisms
Hongliang Zhang, David W. Eaton
Unconventional Resources Technology Conference (URTEC)
..., for a 1-D layered velocity model, represents the average density, while r and denote the distance and average P-wave velocity along the raypath...
2018
Seismic Interpretation of the Rocky Mountain Thrust Front Near the Crowsnest Deflection, Southern Alberta
N.J. Begin, D.C. Lawton, D.A. Spratt
CSPG Bulletin
... interpreted (CDP 450, 500 and 700), although those at CDP 450 and 500 may be seismic artifacts caused by a raypath distortion in the near surface. Line...
1996
Fit For Purpose Integrated Structural Identification Using Azimuthal Monopole Sonic Waveforms and Vertical Seismic Profiling: The First Case Study From The Vertical Unconventional Well in North Sumatera Basin - Indonesia
Erfandi Adhiansyah, Annisa Nur Mahdiya, Murthala Hatta, Irma Eliza, Barry Albert Lumankun
Indonesian Petroleum Association
... that correspond to a combination between PP (compressional to compressional), PS (compressional to shear), and SP (shear to compressional) raypath types...
2022
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... in the strike direction (O’Connell et al., 1993, Manin and Hun, 1992, and Mougenot et al., 1992) in order to minimize the raypath complexity and thus...
2011
Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation
R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer
AAPG Special Volumes
... and streamer displaced from the CO2 plume, so the plume lies mostly outside the subsurface raypath coverage. (b) Source and streamer above the CO2 plume, which...
2009
Quantitative evaluation of the oil-leg potential in the Oliver gas field, Timor Sea, Australia
M. Lisk, G. W. O'Brien, P. J. Eadington
AAPG Bulletin
... that previously mapped high-angle faults are erroneous and reflect difficulties in seismic imaging caused by raypath distortion. Nonetheless...
2002
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... in Sedimentary Basins and Their Prediction Al-Chalabi, M., 1997, Parameter nonuniqueness in velocity versus depth functions: Geophysics, v. 62, p. 970–979...
2001
Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin
K. Bradey
Papua New Guinea (PNG) Petroleum Convention Proceedings
... in the Pliocene-Recent sediments create depth conversion problems. This p ap er d escrib es som e of the depth con versio n methods used to resolve...
2000
Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana
Susan E. Nissen , Janet M. Combes , Anthony G. Nekut
Journal of Sedimentary Research (SEPM)
... closely spaced temporal and spatial sampling; (2) FIG. 2. Left: Raypath diagram illustrating the concept of sea-surface ghosting. Raypaths are shown from...
1999
Fault Seal Analysis in the North Sea
Steven D. Knott
AAPG Bulletin
... and core analyses. These data are proprietary and cannot be presented, but I present plots combining the data in a nonspecific way. Each parameter...
1993
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... arrivals (primaries), and where anisotropy is present. Where large lateral and vertical velocity gradients and significant raypath distortion...
2001
Structure of Upper Cenozoic Strata Beneath Kodiak Shelf, Alaska
Michael A. Fisher, Roland Von Huene
AAPG Bulletin
..., Seismic raypath migration with the pocket calculator: Geophysics, v. 42, p. 1056, 1063. Moore, G. F., and D. G. Karig, 1976, Development of sedimentary...
1980
Seismic Expressions of Prograding Carbonate Bank Margins: Middle Miocene, Maldives, Indian Ocean
Andrei V. Belopolsky, Andr W. Droxler
AAPG Special Volumes
... s, whereas it varies at deeper levels because of the raypath problems under the carbonate bank margins. A few seismic sections were sampled for frequency...
2004