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The AAPG/Datapages Combined Publications Database
Showing 16,595 Results. Searched 195,689 documents.
Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)
Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart
Search and Discovery.com
... accuracy. Velocity values for rock formations can be determined using refraction analysis on first-arrival times. However, a more accurate alternative...
2013
Abnormal Formation Pressures: Recognition, Distribution, and Implications for Geophysical Prospecting, Brazoria County, Texas
Edward T. Flanigan
GCAGS Transactions
...-in pressure measurements, borehole velocity surveys, and seismic reflection sections were used for this study (Flanigan, 1980). Structure was interpreted...
1981
Analysis of Time-lapse Multicomponent Seismic Data from a Potash Mining Area in Saskatchewan, Canada, #41275 (2014)
Andrew Nicol, Don Lawson
Search and Discovery.com
... paths covering a 45 degree aperture. Through interpretation and travel-time analysis of these data, we have observed weak azimuthal velocity anisotropy...
2014
Chapter 10: Rock Physics Relationships between Elastic and Reservoir Properties in the Haynesville Shale
Kyle T. Spikes, Meijuan Jiang
AAPG Special Volumes
... using Equation 1: Figure 1. Data from Well A. From left to right, gamma ray, P-wave velocity, S-wave velocity, density porosity, and density logs...
2013
A Simple Guide to Depth Conversion: Part II
Ashley Francis
GEO ExPro Magazine
... picks to match well markers in time, as then the QC information is hidden. When using wells, the first step is to compare the calibrated velocity log...
2018
Effects of near Surface Lithology on Velocity Modelling and TimeDepth Relationships in the CooperEromangaLake Eyre Basin
Anna Manka, Glen Buick, Rob Menpes, Luke Gardiner, Cameron Jones, Khalid Amrouch
Australian Petroleum Production & Exploration Association (APPEA) Journal
... data to map out well based geological variations and construct a 3D velocity model of the near surface using the compression (P) wave data retrieved...
2018
Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity
John D. Hale
CSPG Bulletin
... correlations are noted on the seismic sections. The seismic section has been plotted from computations using either a constant assumed velocity for the elastic...
1956
Croatia: A New Oil Province at the Heart of Europe
Neil Hodgson, Howard Nicholls, Anna Marszalek, Peter Browning-Stamp, Steve Maddox, Spectrum
GEO ExPro Magazine
..., the use of Pre Stack Time Migration (PreSTM) and dense automatic velocity analyses using second and fourth order updates gives better imaging, and provides...
2013
Fluid Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
... velocities. Figure 3.2 is a plot of fluid velocity along the particular flow line that meets the sphere at its front point, passes back along the surface...
1984
Critical Analysis of Stack Seismic Systems
L. E. Nugent, Jr.
AAPG Bulletin
... shifts. Using the same velocity relationship but with no dip involved, the 5,000-foot offset reflection arrives .035 second early which also causes...
1967
The SDP Dip Plotter
W. S. Hawes
Oklahoma City Geological Society
... function where the velocity increases linearly with depth to some point and below this point the velocity remains constant--being...
1958
Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project
Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the inversion. decomposition polarization analysis of the time-windowed first P arrivals. For the orthogonal source components, the rotation can...
2023
Particle Roundness and Surface Texture Effects on Fall Velocity: NOTES
Garnett P. Williams
Journal of Sedimentary Research (SEPM)
...Particle Roundness and Surface Texture Effects on Fall Velocity: NOTES Garnett P. Williams 1966 Vol. 36 No. 1. (March), Fall velocity measurements...
1966
3-D Seismic Sweeps Through Time, by R. Randy Ray, #40115 (2004).
Search and Discovery.com
2004
ABSTRACT: Effects of Pore Geometry Changes on Chalks Velocity Anisotropy, by Saberi, Mohammad Reza; Barone, Mirko; van Heiningen, Pieter; #90135 (2011)
Search and Discovery.com
2011
ABSTRACT: Seismic Derived Velocity Models For Drillability Assessment: Resolution Requirements and Scaling Strategies, by Albertin, Martin L.; #90026 (2004)
Search and Discovery.com
2004
Subsalt Velocity Trend and Its Spatial Variation in the Central Gulf of Mexico
Search and Discovery.com
N/A
Representation of Bed Configurations in Depth-Velocity-Size Diagrams
John B. Southard
Journal of Sedimentary Research (SEPM)
...-depth plane with field boundaries of the given kind in each of the depth-velocity diagrams (fig. 1). Alternatively, by using a variety of sediment...
1971
Can tile low-rank compression live up to expectations? An application to 3D multidimensional deconvolution
Yuxi Hong, Matteo Ravasi, Hatem Ltaief, David Keyes
International Meeting for Applied Geoscience and Energy (IMAGE)
... performed using the LSQR solver with all MDC operations performed onto GPUs. On a 4 A100 cluster, successful deconvolution for single virtual source...
2023
Relationship Between Acoustic and Petrophysical Properties of Permian Dolograinstones; #41263 (2014)
Xavier Janson and F. Jerry Lucia
Search and Discovery.com
... Grainstone Fast Slow Porosity Distribution (point-counting) Fast Velocity Group Sample Name Plug Phi Las 60 Las 80 Lys 10 Lys 80 21.8 23.8 25.1 24.2...
2014
RhoVe T Method Empirical Velocity-Density-Temperature-Effective Stress Transform
Matt Czerniak
GCAGS Transactions
... and diagenesis using alternate associations like temperature extends the predictability of high-velocity, high-density, low-effective stress rock types...
2019
Abstract: Unconventionals Acoustic Velocities: Model Development from Acoustic Microscope Measurements;
Alessandra Simone, Lori Hathon, Michael Myers
Search and Discovery.com
... for the identification of major mineral phases. The resulting suite of mosaic images are analyzed using UH-developed image analysis software. Segmented volumes...
Unknown
Seismic Line Across the Wind River Thrust Fault, Wyoming
W.L. Basham, W.F. Martin
Rocky Mountain Association of Geologists
... been calculated using the observed dip in time for the seismic reflection and 18,300fdsec velocity of the basement. When the pull-up effect created...
1985
A Novel Method for Experimental Characterization of the Poroelastic Constants in Unconventional Formations
Deepak Gokaraju, Munir Aldin, Akshay Thombare, Abhijit Mitra, Sudarshan Govindarajan, Robert Patterson
Unconventional Resources Technology Conference (URTEC)
... uses acoustic velocity only as an indicator while directly quantifying the poroelastic constant using: Δ𝜎 𝛼 = Δ𝑃 𝑝 Figure 4. Illustration...
2018