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The AAPG/Datapages Combined Publications Database
Showing 34,499 Results. Searched 200,691 documents.
Effects of Sphericity, Roundness, and Velocity on Traction Transportation of Sand Grains
William J. Morris
Journal of Sedimentary Research (SEPM)
... in roundness downstream in the smaller fraction. The effect of change in average fluid velocity TABLE 2. Standard deviation (M) and arithmetic mean...
1957
Structural Trend Analysis by Axial Surface Mapping: Discussion
Donald S. Stone
AAPG Bulletin
... and Repetto section (Sorensen et al., 1993). This gas saturation produces a marked velocity pull-down effect in the crestal area of the fold (Figure 7...
1996
Porosity-Velocity Distribution in Stratigraphic Sequences: The Marion-Yin Model, by Juan Florez and Gary Mavko, #40105 (2003).
Search and Discovery.com
2003
Seismic and Well Interpretation of Fluvial Clastic and Coal Packages for Stratigraphic Traps within the Patchawarra Formation, Cooper Basin
Christopher Webb
Petroleum Exploration Society of Australia (PESA)
.... The dataset velocity field. 2 has been processed to zero-phase (symmetrical wavelet) and displayed according to Australia/U.K.O.O.A convention (Simm...
2015
Bubble, Bubble, Tremors, and Trouble: The Bayou Corne Sinkhole in Assumption Parish, Louisiana
Jeffrey A. Nunn
GCAGS Transactions
... individual bubbling locations have waxed and waned and a few have stopped, there has been no long term change in bubbling intensity. Also, some temporal...
2014
Seismic Applications of the Velocity Log
W. G. Rimmer
CSPG Bulletin
... = rock velocity formation 2 = "incremental change in" Thus the amplitude of the wave reflected from any incremental change in acoustic impedance...
1960
Rock Properties and Seismic Attributes Analysis of Chert Reservoirs in the Devonian Thirtyone Formation, West Texas
Dongjun Fu, Charlotte Sullivan, Kurt Marfurt, Joel Famini, Peter Wang
West Texas Geological Society
... thickness falls below ¼ wavelength. Our attempt to measure the effect of fractures on velocity through core measurements failed. While this failure...
2004
New Insights into the Deep-Water Otway Basin - Part 1. Integrated Depth Imaging Workflows Unravelling the Subsurface
Si Ying Lee, Bee Jik Lim, Arwindran Anantan, Alexander Karvelas
Australian Petroleum Production & Exploration Association (APPEA) Journal
... velocity variations of the major geological units whilst maintaining the depth consistency at the intersection location of all the 2D lines in both dip...
2021
Geometric and seismic interpretation of the Perdido fold belt: Northwestern deep-water Gulf of Mexico
Rion H. Camerlo, Edward F. Benson
AAPG Bulletin
... in 1996. Data quality significantly improved by the late 1990s, especially the imaging and recording of data to much greater depth (traveltime...
2006
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... a time- and space-varying velocity model along the line. 4. NMO--removes the effect of the source-receiver separation by using the NMO equation...
1986
The Preparation of Seismic Depth Maps in Oil Exploration
A. E. Pallister
CSPG Bulletin
... amount of high-velocity Paleozoic sediments at 11-28. This illustrates the effect of the Paleozoic topography's influence on the reflection times...
1960
Abstract: Microseismic Event Locations Uncertainity and Acquisition Geometry; #90224 (2015)
Amna Feroz and Mirko van der Baan
Search and Discovery.com
... uncertainty in microseismic event locations. Uncertainties in microseismic event location arise due to several factors, including inaccurate velocity model...
2015
Relating Seismic Time to Geological Datum: ABSTRACT
James L. Porter
AAPG Bulletin
... are introduced. Three types of errors are inherent in correcting seismic time to a horizontal datum. These are: (1) if velocity is inaccurate, each change...
1960
Sediment Movement in Relation to Current Velocity
Henry W. Menard
Journal of Sedimentary Research (SEPM)
.... 4. Ripples are destroyed at a current velocity which probably corresponds to a change in the nature of the flow from tranquil to torrential...
1950
“Visualize the Trap”: Theory and Application of Using Seismic Residual Velocity for Tight Gas Sand Exploration in the Hoback Basin, Wyoming, by Robert Kidney, Marty Williams, Roger Falk, and Doug Sharp
Search and Discovery.com
N/A
“Visualize the Trap”: Theory and Application of Using Seismic Residual Velocity for Tight Gas Sand Exploration in the Hoback Basin, Wyoming, by Robert Kidney, Marty Williams, Roger Falk, and Doug Sharp; #90042 (2005)
Search and Discovery.com
2005
Success Factors for Effective Subsurface Imaging of Overthrust Belt Legacy Seismic Data
Walt Ritchie and Mihai Popovici
Search and Discovery.com
... (i.e., only small residual moveout error represents large velocity variation). The net effect was that residual curvature (velocity) estimates from...
2009
4D GPR for Characterization of Fluid Flow in Carbonates: Insights from Structural- vs. Stratigraphic-Controlled Domains and Comparison with Eclipse Dynamic Modeling; #41179 (2013)
Pierpaolo Marchesini, Mark Grasmueck, Gregor P. Eberli, and Ralf J. Weger
Search and Discovery.com
... the traveltime of subsurface reflections. Timeshifts are extracted between pairs of time-lapse surveys with 3-D crosscorrelation. The timeshifts...
2013
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... the shot. Since the shot is fired in a high-velocity zone, the effect of the low-velocity zone is removed from a detector at the shot point if the uphole...
1953
Geological Factors Influencing Porosity Estimates From Velocity Logs
Roberto Sarmiento
AAPG Bulletin
... in this paper. Depth: The effect of depth on velocity has been long recognized by geophysicists (Faust, 1951). It is one of the main factors defining...
1961
South LHO Sukon-D1 Discovery, North Sumatra
M. A. Maliki, Soenarnyoto Soenarwi
Indonesian Petroleum Association
... and Gamma-Ray (DLL-MSFL-GR) Velocity Check Shots Formation Micro Scanner (FMS) Vertical Seismic Profile (VSP) Side Wall Coring of 60 bullets...
1991
Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations
Feiyue Xia, Carlos Torres-Verdín
International Meeting for Applied Geoscience and Energy (IMAGE)
... and that the wave traveltime is only affected by velocity variations on the traveling path (Červený, 2001). Wang et al. (2017) applies a simplified raytracing...
2024
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
Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)
Kimberley Haar, Robert Balch, Robert Will
Search and Discovery.com
..., H. Leetaru, R. Will, and M. Coueslan, 2014, The Evolution and Effect of the Velocity Model on Various Aspects of Surfaces Seismic Data Analysis...
2018
Detection of shallow sedimentary structure of Yigong Lake in Tibetan Plateau using distributed acoustic sensing
Jian Zhou, Jizhong Yang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... interferometry of ambient noise and multichannel analysis of surface wave. We get a 2D shear-wave velocity profile along the cable and reveal...
2022