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The AAPG/Datapages Combined Publications Database
Showing 42,728 Results. Searched 200,685 documents.
Measurements and Analysis of Settling Velocities of Natural Quartz Sand Grains
Jumpei Baba, Paul D. Komar
Journal of Sedimentary Research (SEPM)
...Measurements and Analysis of Settling Velocities of Natural Quartz Sand Grains Jumpei Baba, Paul D. Komar 1981 Vol. 51 No. 2. (June), Settling...
1981
Risk Reduction for Prospecting in the Unconventional Niobrara Play
Tony Rebec, Marino Pareja
Unconventional Resources Technology Conference (URTEC)
... correlation to the seismic data focused on the Niobrara interval obvious faults are unusual in that they consist of two faults that run parallel...
2013
Seismic Expression of Carbonate Build-Ups, Northwest Java Basin
J. E. Burbury
Indonesian Petroleum Association
...: Interval velocity within the build-up derived from seismic stacking velocities, as an indicator of porosity. The presence and amount of either...
1977
2.3 Detached Sediments in Extensional Provinces: 2.3.2 Salt Tectonics: Reflection Profiles Across the Aquitaine Basin (Salt Tectonics)
R. Curnelle and R. Marco
AAPG Special Volumes
... Number of channels recorded: 48 Interval between input channels: 50 m (164 ft) Minimum offset distance: 316 m (1,037 ft) Maximum offset distance...
1983
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
Application of the New Sonic-Based Saturation Model to Unconventional Oil Reservoirs
Sheyore John Omovie, Kent Newsham
Unconventional Resources Technology Conference (URTEC)
... velocities. The green data points are from the 60 ft interval partially saturated with oil. The blue trend is the fully brine-saturated trend determined...
2025
Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation
Sergio Cuervo, Ezequiel Lombardo
Unconventional Resources Technology Conference (URTEC)
... that generates an increase in interval velocities. Several simple methods for the determination of the erosion thickness from sonic logs have been published...
2017
Abstracts: CO2 Rock Physics: A Laboratory Study; #90173 (2015)
Helen Yam and Douglas R. Schmitt
Search and Discovery.com
... measured Biot fast P and the shear wave velocities. Figure 7 shows the modeled differential attenuation coefficient over the same frequency interval...
2015
Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally
Agus Muharam, Frank Musgrove
Indonesian Petroleum Association
...Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally Agus Muharam, Frank Musgrove 1998 117 128 Extended offset...
1998
Determination of the Laminar, Structural and Disperse Shale Volumes Using a Joint Inversion of Conventional Logs; #41944 (2016)
Ambrosio Aquino-López, Aleksandr Mousatov, Mikhail Markov, Elena Kazatchenko
Search and Discovery.com
.... Different authors (Castagna et al., 1985; Han, 1986; Marion, 1990) obtained regression equations between P- and S- wave velocities and total porosity...
2016
Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration
W. C. Krumbein
AAPG Bulletin
... limestone has velocities approaching 22,000 feet per second. As Beers pointed out, the interval-velocity graph is essentially a stratigraphic diagram...
1951
Rifts of the Western Arctic Shelf Based on Refraction Surveys
M. L. Verba, L. A. Daragan-Sushchova, A. D. Pavlenkin
Petroleum Geology: A Digest of Russian Literature
...; 6-refracting interfaces (a-good, b-poor, c-projected); 7-interface velocities; 8-interval velocities. I-XIII-Structural features (see text). The first marine...
1991
Pore Pressure Modeling Using Multivariate Geostatistics, #42299 (2018).
Flavia Braz Ponte, Francisco Fabio de Araujo Ponte, Adalberto da Silva, Alberto Garcia de Figueiredo Jr.,
Search and Discovery.com
..., pore pressure estimations from drilling parameters, leak-off tests (LOT) and unexpected occurrences of kicks. The compressional wave interval velocity...
2018
Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion
Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model agrees reasonably well with the sonic velocities except for the reservoir interval depths between 1100 and 1150 m (Figure 1). The velocity...
2022
Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia
Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel
Indonesian Petroleum Association
... to extract P and S velocities over the surveyed interval. These velocities were used in the migration of the walkaway data as well as the common...
2000
Generation and evolution of overpressure caused by hydrocarbon generation in the Jurassic source rocks of the central Junggar Basin, northwestern China
Xiaowen Guo, Sheng He, Keyu Liu, Zhi Yang, Shengqiang Yuan, and Mingliang Liu
AAPG Bulletin
... density logs and predicted mudstone pore pressure. The interval velocities were calculated using the formula of Dix (1955) from seismic stacking...
2019
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... predict a reflection in the middle of zone B corresponding to higher velocities in this interval. The seismic traces extracted from the 3D data set close...
2013
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... predict a reflection in the middle of zone B corresponding to higher velocities in this interval. The seismic traces extracted from the 3D data set close...
2013
Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic
Milos Cvetkovic, Francisco Colina, TGS
GEO ExPro Magazine
... stack for one of the central lines, where we can see that velocities are following structures and providing for a high-quality, high-frequency image...
2024
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
... as for P-wave migration (Lumley et al, 1994), but it is related to both P-wave and S-wave velocities. Preserving the relative amplitude of reflections...
2015
Adjustments of Velocity Logs to Tie Geophone Surveys
Warren Hicks
Oklahoma City Geological Society
.... In the interval 6800-6900, velocities are eight percent low on Run 2. Increasing the distance T - R1 can reduce or eliminate this shale damage type...
1961
Seismic Modeling of a Strongly Emergent Thrust Front, West Spitsbergen Fold Belt, Svalbard
Stale E. Johansen , Sivert Kibsgaard , Arild Andresen , Tormod Henningsen , John R. Granli
AAPG Bulletin
... in the topographic high interpreted as the thrust front. At shotpoint 1330 (Figure 6), interval velocities calculated from stacking velocities exceed 5.3 km/s below...
1994
Azimuthal Variations in Reflection Seismic Data: Measurements Governed by the In-Situ Horizontal Stress Field and/or Vertical Aligned Fractures
Heloise B. Lynn, Walter S. Lynn
West Texas Geological Society
... orthogonal modes which travel at different velocities and polarizations. These split S-waves (generally recorded as mode-converted PS reflections, or C-waves...
2006
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
..., p. 361 - 375 HUBRAL, P. and KREY, T., 1980. Interval velocities from seismic reflection time measurements. Tulsa, SEG SATI1..EGGER, J. and KUES, B...
1987
Rock physics diagnostics and modeling for shale gas formation characterization in China
Gang Yu, Yusheng Zhang, Paola Newton, Ilgar Azizov
Unconventional Resources Technology Conference (URTEC)
... and predicted in the interval 158.5 m ~ 1,400 m, where density had not been measured, using the Unconsolidated Sediment Model (marked by green flag...
2014