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The AAPG/Datapages Combined Publications Database
Showing 1,553 Results. Searched 195,405 documents.
Velocity Modeling with Complex Tectonics; Example from the San Joaquin Forearc Basin, California; #41950 (2016)
Lisa Alpert, Josué Rosas
Search and Discovery.com
...Velocity Modeling with Complex Tectonics; Example from the San Joaquin Forearc Basin, California; #41950 (2016) Lisa Alpert, Josué Rosas Velocity...
2016
Identifying Fracture Zones in the Austin Chalk
D. J. Bafia, T. W. Spencer
Bulletin of South Texas Geological Society
... was aimed at investigating the low amplitude anomaly method, which assumes that the seismic velocity of the Austin Chalk will decrease in fracture zones...
1999
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... time window which "flattens" the hyperbola then is plotted at that normal incidence reflection time. The resulting plot of RMS velocity versus...
1971
Fault Shadow Issues and Resolution in Model and Real Data
Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
... converted back to time using vertical stretching. Figure 5. Time RMS Velocity, transformed from depth-interval velocity. These velocities are used...
2002
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... the need for traditional raytracing. At zero offset the AAMO velocity is equal to the conventional root mean square (RMS) velocity, while at higher offsets...
2000
High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM
Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS
GEO ExPro Magazine
... the checkshot velocities at checkshot locations, The time-RMS model derived from PSTM velocity analysis residual moveout at these locations is attributed...
2016
The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)
Jim Montalbetti, Jeff Beckett, Graham Hodgkiss
Search and Discovery.com
.... Build an initial interval velocity model using prestack time migration and the associated RMS velocities. 2. Apply a geomechanical correction to the near...
2015
Abstract: Converted-wave Time Imaging Nuts and Bolts; #90187 (2014)
Shaowu Wang, Thomas Hollis, and Wayne Nowry
Search and Discovery.com
... RMS velocity respectively, which are the function of converted-wave RMS velocity , and effective velocity ratio . and are the distance from source...
2014
The impact of estimated temporal and spatial variability of water layer velocity on the correction of OBS data
Peter Scholtz, Truong Nguyen, Arash Jafar Gandomi
International Meeting for Applied Geoscience and Energy (IMAGE)
... the variation of RMS velocity at the water bottom with respect to space and time. The colors in the figure represent the velocity displayed at each shot point...
2023
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... a prestack time migration. The velocity field of the subsurface is now defined with stacking or RMS type velocities. These velocities are much less sensitive...
2015
Turbulence Modulation in Clay-Rich Sediment-Laden Flows and Some Implications for Sediment Deposition
Jaco H. Baas, James L. Best
Journal of Sedimentary Research (SEPM)
... is absent (Fig. 2 B). These results confirm similar velocity trends documented by Wang and Larsen (1994) and Wang et al. (1998). Root-mean-square (rms...
2002
Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation
Zhishuai Zhang, Jing Du, Fuchun Gao
Unconventional Resources Technology Conference (URTEC)
... in Table 1. The RMS misfit using provided velocity model is 1.68 ms while that using our simultaneous inversion is only 0.47 ms. This large decrease...
2017
Influence of Pressurized Shale of Akata Formation on Clastic Reservoir Developments, Offshore Niger Delta Using Seismic-Attributes Modeling; #40844 (2011)
Jonathan Johnson
Search and Discovery.com
... of accommodation space. • Workflow combining structural contours, RMS amplitude, time slices, and well data will give a reliable insight in prospecting...
2011
Abstract: Azimuthal Residual Velocity Analysis in Offset Vector for WAZ Imaging, by Didier Lecerf, Jean-Luc Boelle, Amhed Belmokhtar, and Abdeljebbar Ladmek; #90105 (2010)
Search and Discovery.com
2010
Seismic Reflections from a Lau Basin Magma Chamber
Janet L. Morton, Norman H. Sleep
Circum Pacific Council Publications
... is the event a t 1.5 sec beneath the ridge (event A, Figure 3). The hyperbolic moveout of this reflector indicates an rms velocity of approximately...
1985
Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features
Scott Cook, Mike McKee, Sid Bjorlie
Unconventional Resources Technology Conference (URTEC)
... is prohibited. Abstract Pre-stack HTI Velocity Variation with Azimuth (VVAZ) and Amplitude Variation with Azimuth (AVAZ) are employed to locate open...
2019
Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic
Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim
Unconventional Resources Technology Conference (URTEC)
... of the perforation shot. Deepest receivers of 4H observation well flattened due to slight lateral velocity variations, global RMS error across both gathers...
2016
Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)
Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly
Geological Society of Malaysia (GSM)
... to be converted from RMS to interval velocity. Normally, the regularly sampled velocity field (in time) is converted using Dix’ approximation (Dix, 1955...
2008
Fault Shadow Correction by Advanced Tomographic Velocity Model Building
Search and Discovery.com
N/A
Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View
Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff
Indonesian Petroleum Association
... seismic processing demonstrated that high density root mean square (RMS) velocities converted into Dix correlate with well velocity logs. Then the RMS...
2009
Abstract: Prediction of Porosity and Fluid Saturation from Full Stack Seismic Data Using Seismic Inversion and Neural Network Analysis; #90319 (2018)
Ahmed S. Ali
Search and Discovery.com
... as an internal attribute while P-impedance and RMS Velocity cubes as external attributes in order to generate 3D porosity and Water saturation volumes...
2018
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
.... This addition, called stacking, requires knowledge of a form of velocity (the rms or stacking velocity) which can be obtained from the time moveout...
1970
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China
Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... applied to the RMS velocity field creating four updated sector velocity volumes which were smoothed and input to elliptical velocity inversion...
2016
Geocellular Model for Tertiary Reservoirs in Manhera Tibba Gas Field, Jaisalmer Basin, Rajasthan, India
Search and Discovery.com
N/A
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... by Schneider, 1978. In this approximation, assuming migration velocity to be close to RMS velocity the shot record prestack volume u( x, h, t ) can...
2014