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The AAPG/Datapages Combined Publications Database
Showing 29,449 Results. Searched 200,691 documents.
Passive seismic HVSR surveying for groundwater exploration at the Chilalo Graphite Project, Tanzania
Sharna Riley, Jayson Meyers, John Sinnott
Petroleum Exploration Society of Australia (PESA)
.... The gridded bedrock depth highlighted two paleochannel features of variable depth within the river valley. One bore was drilled along the margin...
2019
Calibration of the University of Southern California Automatically Recording Settling Tube
David O. Cook
Journal of Sedimentary Research (SEPM)
.... S., AND LIN, P. N., 1952, Sediment concentration and fall velocity: Proc. Second Confer. Fluid Mechanics, Ohio State University, p. 401-411. POOLE, D...
1969
Paleohydrology and Paleomorphology of a Carboniferous, Meandering, Fluvial Sandstone
Thomas W. Gardner
Journal of Sedimentary Research (SEPM)
... for suspension". Average flow velocity, V, estimated from this method is similar to flow velocity estimated from initiation of sediment motion curves...
1983
Marine Multicomponent Seismic – The New Issues in the Developing Revolution
Jason Robinson
Indonesian Petroleum Association
... axis is two-way PS1 time, the horizontal axis is the ratio of Vps1/Vps2 average velocity, and variable density amplitudes represent positive cross...
2002
Applying Rock Physic Models for Optimized Pore Pressure Prediction
Joel K. Loeffler, Sam Green, Jakob Heller, Lev Vernik
GCAGS Transactions
... physics models (RPMs) such as the clay-dependent pore pressure prediction model presented in Vernik (2011) and in Vernik (2016) can take variable clay...
2020
Diagenetic and Sedimentologic Explanation for High Seismic Velocity and Low Porosity in Mesozoic-Tertiary Sediments, Svalbard Region: GEOLOGIC NOTES
Anders Elverhoi , Gisle Gronlie
AAPG Bulletin
...Diagenetic and Sedimentologic Explanation for High Seismic Velocity and Low Porosity in Mesozoic-Tertiary Sediments, Svalbard Region: GEOLOGIC NOTES...
1981
Laboratory Study of the Distribution of Grain Sizes in Cross Bedded Deposits
Alan V. Jopling
Special Publications of SEPM
... line for any given particle was derived by plotting of the particle the longitudinal velocity of stream flow in the transition region and the settling...
1960
Experimental Investigations of Combined Flow Sediment Transport
Everett Smith, Max S. Daniller-Varghese, Paul M. Myrow, David Mohrig
Journal of Sedimentary Research (SEPM)
... and Mineralogists, Special Publication 27, p. 327–342. Dott, R.H., Jr., and Bourgeois, J., 1982, Hummocky stratification: significance of its variable...
2019
A high-resolution seismic investigation for shallow iron ore
Ashley Grant*, Sasha Ziramov, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... to the south-west. The grade is variable throughout the survey area and its seismic signature appears to identify some of these changes. Velocity models...
2019
Abstract: Statics or Statistics?The Near-Surface Revisited; #90211 (2015)
David Henley
Search and Discovery.com
... for compensating seismic data for the effects of the highly variable near-surface weathered layer, usually classified as “statics” methods...
2015
Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation
Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS
GEO ExPro Magazine
... and high fidelity pre-stack seismic attributes data in Newfoundland and Labrador Figure 3: FWI velocity model and LSM depth slice showing the structural...
2020
Seismic amplitude variation with angle response of hydrogen-saturated rock: Implications on subsurface monitoring
Chao Li, Shuvajit Bhattacharya
International Meeting for Applied Geoscience and Energy (IMAGE)
... injection into the subsurface, the subsurface elastic properties (e.g., velocity and density) will change, leading to different seismic responses, which...
2024
Determining the Impact of Mineralogy Composition for Multiphase Flow Through Hydraulically Induced Fractures
Javier E. Santos, Maša Prodanović, Christopher J. Landry, Honggeun Jo
Unconventional Resources Technology Conference (URTEC)
... these processes, is the variable wettability of the minerals in presence of reservoir fluids (Tokunaga & Wan, 2013); it has been shown that a system (i.e....
2018
Seismic Reflection Measurements of Northwest Australian Margin and Adjacent Deeps
J. J. Veevers , D. A. Falvey , L. V. Hawkins , W. J. Ludwig
AAPG Bulletin
...-refraction measurements of a seaward decrease in interval velocity of laterally equivalent sedimentary rocks above the unconformity. Beck, R. H., 1972...
1974
3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
... signals. The method provides a better result than a conventional slowness/velocity-based filtering method which cannot handle both surface waves...
2016
The Composition, Structure and Erodability of Subtidal Mats, Abaco, Bahamas
A. Conrad Neumann, Conrad D. Gebelein , Terence P. Scoffin
Journal of Sedimentary Research (SEPM)
... and mucilage to produce stromatolitic structures whose morphology was controlled by current velocity and rates of sediment FOOTNOTE 2. Contribution...
1970
Shale Elastic Property Relationships as a Function of TOC Content Using Synthetic Samples
Y. Altowairqi, R. Rezaee, B. Evans, M. Urosevic
Unconventional Resources Technology Conference (URTEC)
... velocity and the velocities of P- and S-waves are inversely proportional to TOC content. In addition, the increase in the TOC content reduced density...
2016
Multichannel Profiles Collected in 1982 in the Tonga Region of the South Pacific
Dennis M. Mann
Circum Pacific Council Publications
... controllers or variable-wing birds attached to the bird sections. Digital 1 Any use of trade names is for descriptive purposes only and does not imply...
1985
ABSTRACT 4D Seismic Monitoring of CO2: Practical Considerations, #90103 (2010)
David Lumley
Search and Discovery.com
... monitoring (eg., Sleipner). In depleted HC reservoirs, the situation is more complex since oil has widely variable physical properties, and CO2...
2010
Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)
A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky
Search and Discovery.com
... in the model boundaries. They showed that with the fixed frequency k X 2 ≠ 0 , the propagating waves have velocity dispersion, which should...
2013
Abstract: Depth Migration of Monostatic and Bistatic Georadar Data; #90187 (2014)
Robert J. Ferguson, Matthew J. Yedlin, Christian Pichot, Jean-Yves Dauvignac, Nicholas Fortino, and Stephane Gaffet
Search and Discovery.com
... deconvolution procedure restores much of the the amplitude and phase effects of Q attenuation). We use depth-variable velocity analysis and we determine...
2014
Potential Issues with Extreme Limited Entry in Horizontal Wells
Robert D. Barree
Unconventional Resources Technology Conference (URTEC)
... rate through each upstream perforation cluster. Successive loss of feed rate at each fluid exit point can lead to a loss of transport velocity inside...
2020
Lithology Prediction by Extrapolating Well Data
Brian Barley, Dean Chergotis, Mai Wilson, Susan Young
Indonesian Petroleum Association
.... Figure 5. Velocity/overpressure crossplot Whenever a crossplot between velocity or density and a new variable shows a quantifiable trend, we have...
1992
Composite (VS/VP) Ratios in Transversely Isotropic Geology: Possible Aid for Identifying Organic Contamination in Porous Rocks
Alvin K. Benson
Environmental Geosciences (DEG)
... 188 198 Vol. 3 (1996) No. 4. Important mechanical properties of rocks and soils can be calculated from the shear-wave velocity, VS, the compressional...
1996
Fast Track Reservoir Characterisation of a Subtle Paleocene Deep Marine Turbidite Field Using a Rock Physics and Seismic Modelling Led Workflow
H.J.S. Morris, R. Christensen, D. Gawith, M. Millwood-Hargrave
Indonesian Petroleum Association
... techniques could be used to predict the unknown. The two main scenarios that were modelled were; what happens with variable fluid content; and what happens...
2008