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The AAPG/Datapages Combined Publications Database
Showing 33,177 Results. Searched 195,596 documents.
Abstract: Seismic Processing of Ocean Bottom Cable and Streamer Data over Seligi Field
Lye Yue Choong, Abdul Razak Mohd Nurin
Geological Society of Malaysia (GSM)
... is to calibrate the geophone data to the hydrophone data in terms of phase and amplitude. The calibrated data is then summed together to remove the receiver...
1999
Benefits From Integrating Seismic and Non-Seismic Data for Offshore Mexico Exploration: From Regional Geological Context to Prospect Imaging and Reservoir Characterization
Search and Discovery.com
N/A
Petrophysical Classification of Siliciclastics for Lithology and Porosity Prediction from Seismic Velocities (1)
LEV VERNIK and AMOS NUR
AAPG Bulletin
..., 1974, Velocity and attenuation of seismic waves in two-phase media, I: theoretical formulation: Geophysics, v. 39, p. 587-606. Lo, T. W., K. B...
1992
The Interpretation of Vertical Sequences in Turbidite Beds: The Influence of Longitudinal Flow Structure
Benjamin C. Kneller, William D. McCaffrey
Journal of Sedimentary Research (SEPM)
... of a bed is generally an indication of the longitudinal velocity structure of the flow, and longitudinal gradients in suspended sediment concentration...
2003
All Eyes are on Denmark
William Reid, Emily Kay, Karen Romand
GEO ExPro Magazine
... in this article is an enhanced fast track version, with velocity model building (VMB) complete down to base chalk. The aim of this phase was to combine...
2019
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
..." of the structure are related to a deep structural feature causing doming during the Albe-Aptian extensional phase. 3. The Pyreneen compressional phase was very...
1983
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... result is an apparent phase lead or phase lag relative to the geophone result. Introduction and Theory A transfer function is given by the form B A H...
Unknown
Implications from Transfer Functions when Comparing Seismic Data from MEMS Accelerometers and Geophones
Michael S. Hons
Search and Discovery.com
... result is an apparent phase lead or phase lag relative to the geophone result. Introduction and Theory A transfer function is given by the form B A H...
Unknown
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... other attributes, such as polarity, frequency, phase, velocity, and the like, is to enhance the interpretability through added data. (Author's Note...
1978
Santos Vision: Innovative Seismic Data Processing in a Super Giant Oil Basin
Hermann Lebit, Sriram Arasanipalai, Jeff Tilton, Pascal Ollagnon, PGS
GEO ExPro Magazine
... the 34,000 km2 of the Santos Vision program and including the outline of the next phase extension. The survey covers the São Paulo Plateau, which hosts huge...
2019
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... geology. Velocity filtering and the redundancy provided by recording with high degrees of multiplicity permit the attenuation of many types...
1977
Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium
Guillaume Cambois
International Meeting for Applied Geoscience and Energy (IMAGE)
...), where phase angles remain at 45o and P and Sv velocities are equal. The converted wave reaches the same velocity at group angle of ca. 65o but does...
2023
Wave and Bottom Sediment Interactions over a Submerged Sand Bank during the Winter Cold-Front Season, Western Louisiana
Daijiro Kobashi, Felix Jose, Gregory Stone
GCAGS Transactions
... sediment re-suspension rather than currents, during cold front and post-frontal phases that occurred during the deployment. Shear velocity and turbidity...
2006
Passive Margins: Interpretation of West Africa Line C
R. Sheriff
AAPG Special Volumes
... to zero-phase by wavelet processing. 2. Amplitudes are preserved (the original processing used an automatic gain control). 3. The reprocessed data...
1987
Abstract: Pore Geometry and Pore-Fluid Types: Effects on Seismic Properties of Carbonate Rocks Under a Compaction Disequilibrium Scenario; #90224 (2015)
Gautier Njiekak and Douglas R. Schmitt
Search and Discovery.com
... the velocity during phase 1, whereas the bulk and shear moduli dominate over the bulk density for the control of Vp and Vs, respectively, during the phase 2...
2015
Flume Experiments on Lower-Flow-Regime Bed Forms in Coarse Sand
Warren R. Costello, John B. Southard
Journal of Sedimentary Research (SEPM)
... high enough to reach the well-known transition from dunes to the high-flow-velocity flat-bed phase in the upper flow regime. Nor were Froude numbers high...
1981
New Fullbore Production Logging Sensor Improves the Evaluation of Production in Deviated and Horizontal Wells
Calvin Kessler, Gary Frisch
Indonesian Petroleum Association
... with a diverter/basket flowmeter. The downhole flow rates for each phase are determined from the fluid velocity, the holdup of each phase, and the interphase...
1995
Abstract: 3D Seismic Imaging in the Pakistan Foothills: A Case History; #90172 (2014)
Victor Dolgov, Rob Vestrum, Jon Gittins, Géza Wittman
Search and Discovery.com
... types needed to be phase-matched before the two surveys could be merged together. Figure 2a shows the source and receiver layout of the two surveys...
2014
Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting
Weidi Koh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... to amplitude versus offset and phase compliance, including customised flows to overcome a paucity of well control in this frontier area. Optimised...
2017
Shallow Seismic Survey on Weeks Island, Louisiana ... an Attempt to Define "Top of Salt"
G. L. Kinsland , A. W. Rutter III
GCAGS Transactions
... impedance contrast exists at the clastic sediment/salt interface by virtue of the strong velocity contrast between the shallow clastic sediments...
1994
VAMPs--Possible Hydrocarbon-Bearing Structures in Bering Sea Basin: GEOLOGIC NOTES
David W. Scholl, Alan K. Cooper
AAPG Bulletin
.... The columns of recorded downflexures are thought to be velocity pulldowns and commonly are associated with one or more arched or gently domed high-amplitude...
1978
XI. Bibliography
Norman S. Neidell
AAPG Special Volumes
... of One-Sided Signals", Geophysics, Vol. 38, pp. 657-672, 1973 "Related Properties of Minimum-Phase and Zero-Phase Time Functions", Geophys. Prosp., V...
1979
UK North Sea: A Step-change in Imaging Quality
Steven Bowman, Ramez Refaat, Per Helge Semb
GEO ExPro Magazine
... HISTORY Phase 1A of the OBN survey covers the Marnock field, at the heart of the Eastern Trough Area Project (ETAP), which produces gas condensate from...
2022
Bed Configurations
J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker
Special Publications of SEPM
... than about 0.6 mm, with increasing flow velocity in the lower flat bed phase, sand waves gradually make their appearance on the flat bed; in finer sands...
1975
Ultrasonic velocity tomography of rock sample
Tian Xie, Jiajia Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Ultrasonic velocity tomography of rock sample Tian Xie, Jiajia Zhang Ultrasonic velocity tomography of rock sample Tian Xie*, Jiajia Zhang School...
2023