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The AAPG/Datapages Combined Publications Database
Showing 29,455 Results. Searched 200,630 documents.
Migration-Progradation Tidal Succession within the Upper Nyalau Formation (Oligocene-Late Miocene) at Tanjong Kidurong, Bintulu, Sarawak (Poster 2)
Abdul Hadi Abd. Rahman
Geological Society of Malaysia (GSM)
... suggested that fine sand megaripples are caused by higher velocity flow compared to megaripples in coarser sand. Terwindt (1981) argued that features like mud...
2001
Estimating Porosity from Determinsitic Inversion (Paper C6)
M. Sams, T. J. Focht, J. Ting
Geological Society of Malaysia (GSM)
... a variable aspect ratio dependent on the porosity and clay content. The results show a very-high degree of predictability of the elastic properties...
2012
Clay Mineral X-Ray Diffraction Analysis: Ag Filter-Pipette Methods: METHOD PAPER
James P. M. Syvitski, Peter Bayliss
Journal of Sedimentary Research (SEPM)
... settling velocity, was carried out in a centrifuge. Powder mounts were prepared with approximately 200 mg of standard or combination of standards...
1980
A Preliminary Investigation of the Rhone River Plume in Eastern Lake Geneva
J. Dominik, D. Burrus, J.-P. Vernet
Journal of Sedimentary Research (SEPM)
... in lakes and estuaries. The transfer of suspended matter from a river into a reservoir with associated decrease of current velocity results...
1983
2.3 Detached Sediments in Extensional Provinces: 2.3.2 Salt Tectonics: Structure and Stratigraphy of the Sigsbee Salt Dome Area, Deep South-Central Gulf of Mexico
R. T. Buffler
AAPG Special Volumes
...) Velocity scan 4) Normal moveout/stack 5) Scale (variable) End_Page 2.3.2_57------------------- Unnumbered Figure. Interpreted regional seismic line...
1983
Inorganic Calcite Morphology: Roles of Fluid Chemistry and Fluid Flow: REPLY
J. A. D. Dickson
Journal of Sedimentary Research (SEPM)
... toward the edge (Fig. 1B). The greatest growth vector is not an apparent measure but represents the actual largest linear crystallization velocity...
1993
An Easily Constructed, Very Inexpensive, Solar Cell Transmissometer (SCT): RESEARCH METHODS PAPERS
Stephen C. Knowles, John T. Wells
Journal of Sedimentary Research (SEPM)
.... KNOWLES, S.C., AND WELLS, J.T., 1996a, In situ size and fall-velocity of coastal/estuarine suspended sediment: EOS, Transactions, American Geophysical...
1998
Porosity Reduction in Sandstone by Quartz Overgrowth: DISCUSSION
J. H. Fang, P. B. Visscher, A. M. J. Davis
AAPG Bulletin
... concentration in solution by a dimensionless variable C (we will use dimensionless variables wherever possible to avoid confusion about units) defined...
1988
Abstract/Excerpts: Secondary Migration of Petroleum as a Highly Efficient, Self-Adjusting Process with Little or No Capillary Resistance, by John G. Stainforth; #120098 (2013)
Search and Discovery.com
2013
Abstract: SAGD Well Planning Using Stochastic Seismic Inversion; #90172 (2014)
Franck Delbecq, Rémi Moyen
Search and Discovery.com
... by the seismic bin size and vertical columns of cells with variable thickness, typically much smaller than the seismic resolution. The inversion is directly...
2014
Abstract: On the Road to 3D Seismic Imaging of Massive Sulphide Deposits in a Sediment-Hosted Permafrost Environment; #90174 (2014)
Laura Quigley, Yijian Meng, Bernd Milkereit, and Emmanuel Bongajum
Search and Discovery.com
... statistical analysis of several logged boreholes. Shear wave velocities (Vs) were calculated using Poisson’s ratio. Vp/Vs ratios are highly variable...
2014
Abstracts: Application of Shear-wave Splitting Analysis to Fracture Characterization for a Shaunavon Tight Oil Reservoir; #90173 (2015)
N. Chaminda Sandanayake and Richard A. Bale
Search and Discovery.com
... recombination of the split waves into new radial and transverse datasets, corresponding to an equivalent isotropic layer with S1 velocity...
2015
Abstract: Machine Learning Predicted S-Sonic Log and Facies Driven Modelling: A Seismic Reservoir Characterization Approach; #91204 (2023)
Shraddha Chatterjee, Santan Kumar, Felipe Melo, Veronica Perez, ChungShen Lee
Search and Discovery.com
...-stack seismic inversion demands S-sonic (or S-velocity) logs or their derivatives as input. These are often not acquired or, if acquired, may...
2023
Microseismic, 3D, and Log Image Data for Unconventional Targeted Drilling and Treatment; #41135 (2013)
Mark Houston
Search and Discovery.com
... Are NOT the Same Production Is Variable, Why?? Events 9 9 8 8 6 7 7 6 5 5 4 4 3 3 2 2 1 1 30 25 20 15 10 5 0 Rates measured by PLT...
2013
Gas Well/Water Well Subsurface Contamination: Tools of Investigation; #80292 (2013)
Rick Railsback
Search and Discovery.com
... to image • Analogous to sonograms • Free pipe returns a much greater amplitude signal than cemented pipe • Amplitude display • VDL (variable density...
2013
Gas Well / Water Well Subsurface Contamination; #80339 (2013)
Rick Railsback
Search and Discovery.com
... pipe • Amplitude display • VDL (variable density log) display Principles of the Cement Bond Log Cement Bond Log Presentation Noise Logs (Sound...
2013
Ground Penetrating Radar Enhances Analogs, by John McBride, Colby Hazard, Scott Ritter, Thomas Morris, David Tingey, Bill Keach, Jani Radebaugh, Clayton Chandler, Karl Arnold, and Gene Wolfe; #41375 (2014).
Search and Discovery.com
2014
Visualizing AVAZ Parameter Estimates and Uncertainty, #41571 (2015).
Jon Downton, Dave Gray, Torre Zuk
Search and Discovery.com
... by integrating over the range of all possibilities for that variable. Downton and Gray (2006) describe the details of these calculations. The resulting PDF...
2015
Geological Interpretation of Reservoir Seismic Amplitude Responses: Example from North Western Australia; #42591 (2024)
Mohammed Farfour, Hezam Yahya Al-Awah
Search and Discovery.com
..., S., Gaci, S., Barbosa, S., Farfour, M., & Bounif, M. (2022). Investigation of lithological heterogeneities from velocity logs using EMD-Hölder...
2024
Prospecting for Gas Hydrate Accumulations Using 2D and 3D Seismic Data, Milne Point, North Slope Alaska, by Tanya L. Inks, Timothy S. Collett, David J. Taylor, Warren F. Agena, and Myung W. Lee; #90035 (2004)
Search and Discovery.com
2004
Malu Field Nigeria—Contributions of Ocean Bottom Cable Seismic Data to Field Development
Search and Discovery.com
N/A
An Integrated Study to Characterize the Permeability Field in a Fault-Partitioned Siliciclastic Aquifer/Aquitard System as an Analog to Petroleum Reservoirs, by Brann Johnson, Elena Zhurina, #90027 (2004)
Search and Discovery.com
2004
Diagenesis of Oceanic Carbonate Sediments: A Review of the Dsdp Perspective
Robert E. Garrison
Special Publications of SEPM
... velocity Sonic Atlanic A o o r 0 Rise 2 I r I Leone I I I I 70 Sier a t 6 1 I 366 50 I 1 Por sity eastern Site A at cycles 10cm...
1981
Machine Learning Regressors and their Metrics to predict Synthetic Sonic and Brittle Zones
Ishank Gupta, Deepak Devegowda, Vikram Jayaram, Chandra Rai, Carl Sondergeld
Unconventional Resources Technology Conference (URTEC)
...) and a single response (dependent variable y). The equations for MLR are given below where ε is the error and ̂ is an estimate of the dependent variable (...
2019
Spatial Variation in Turbidite-To-Contourite Continuums of the Kiwada and Otadai Formations in the Boso Peninsula, Japan: An Unstable Bottom-Current System in a Plio-Pleistocene Forearc Basin
Makoto Ito
Journal of Sedimentary Research (SEPM)
... Course 5, p. 119-139. COOPER, C., FORRISTALL, G.Z., AND JOYCE, T.M., 1990, Velocity and hydrographic structure of two Gulf of Mexico warm-water rings...
1997