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The AAPG/Datapages Combined Publications Database
Showing 399 Results. Searched 201,044 documents.
Simulation of the Genesis of Current Ripples by Means of a Cellular Automaton
J. J. P. Zijlstra
Special Publications of SEPM
... and that in the course of time smaller bed forms will thus amalgamate into larger bed forms to form more or less equally sized bed forms moving downcurrent...
1999
Temporal Resolution of Depositional Processes in the Gulf Coast Tertiary
John A. Lopez
Houston Geological Society Bulletin
... that the elephants may be properly constructed. AVERAGE ACCUMULATION DEPOSITIONAL RATES AND FRAGMENTED STRATIGRAPHY The geologic time resolution calculated...
1991
Sonic Logging to Detect Bypassed Hydrocarbons in the Wilmington Field, CA
Daniel Moos, F. Scott Walker, Donald D. Clarke
Pacific Section of AAPG
... through the use of the Wyllie time-average equation or Raymer’s relationship. However, experience has demonstrated that these techniques cannot be used...
1996
Quantifying Pore Architecture by Facies for Enhanced Prediction of Reservoir Distribution in Silurian Pinnacle Reefs of the Michigan Basin; #40717 (2011)
Amy Kathryn Noack and G. Michael Grammer
Search and Discovery.com
... 1000 0 Time-average equation Woods equation (for suspension) Theoretical maximum 10 20 30 40 50 60 Porosity (%) Anselmetti and Eberli (1999...
2011
Sedimentary Structures Generated by Flow in Alluvial Channels
D. B. Simons, E. V. Rlchardson, C. F. Nordin JR.
Special Publications of SEPM
... EIl concentration 27 m Sl V 0 90 i f that is Survey ll 8V OB entrance and exit affected the time average water surface slope of the flow...
1960
Key Performance Drivers in Shale/Tight Reservoirs: A Workflow for Proper Data Normalization
Soodabeh Esmaili, Bruce Escovedo, Tyler Conner, Ravi Vaidya, Richard Hand, Ram Jayakumar
Unconventional Resources Technology Conference (URTEC)
... time of an average well) and using it for reserve booking can distort the ultimate recovery factor of the field and consequently the development plan...
2017
Unravelling Carbonate Reservoirs: Enumerating Porosity from Cores and Well-Logs
Ritesh Mohan Joshi, Kumar Hemant Singh, Ashok Soni
Indonesian Petroleum Association
... Wyllie Time-average for deriving the porosity log. Density porosity estimation is done by an equation using matrix, bulk and fluid density. While...
2019
Eolian Sequence Stratigraphy--A Conceptual Framework: Chapter 16: Recent Developments in Siliciclastic Sequence Stratigraphy
Gary Kocurek, Karen G. Havholm
AAPG Special Volumes
.... The behavior of the depositional surface over time is described by the sediment conservation equation, and is a function of the downwind sediment...
1993
Migration of Natural Gas Through Heterogeneous Sandy Soils Affected by Atmospheric Boundary Conditions
Ariel Esposito, Tissa Illangasekare, Kathleen Smits
Unconventional Resources Technology Conference (URTEC)
... and to relate to practical detection scenarios, it is necessary to time average the data. The averaging time can be interpreted as detection time. Figure 5...
2014
The equivalent pore aspect ratio as a tool for pore type prediction in carbonate reservoirs
François Fournier, Matthieu Pellerin, Quentin Villeneuve, Thomas Teillet, Fei Hong, Emmanuelle Poli, Jean Borgomano, Philippe Léonide, and Alex Hairabian
AAPG Bulletin
.... Castagna, 2004, Revisiting the Wyllie time average equation in the case of near-spherical pores: Geophysics, v. 69, no. 1, p. 45–55, doi:10.1190/1.1649374...
2018
Mississippian Mission Canyon Reservoirs of the Billing Nose, Billings County, North Dakota
John J. Breig
Rocky Mountain Association of Geologists
... relationships, graphed by Schlumberger (1986) (Fig. 17). Porosities calculated from the Wyllie's time average equation were consistently lower than core...
1988
Exploration Work in California during 1940: ABSTRACT
Eugene H. Vallat
AAPG Bulletin
... the approach to a drilled up status for California fields. An attempt is made to arrive at the cost and length of payout time for an average top allowable...
1941
New Look at Oil and Gas Resources of Denver-Julesburg Basin: ABSTRACT
John L. Stout, Betty M. Miller
AAPG Bulletin
... at that time, the average size of an undiscovered field was predicted to be on the order of 1 million bbl of recoverable resources. Since then, more than...
1979
High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir
Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik
AAPG Bulletin
..., J., and A. Nur, 1998, Time-average equation revisited: Geophysics, v. 63, p. 460464, doi:10.1190/1.1444347.Filomena, C. M., and H. Stollhofen, 2011...
2012
In situ stress state in the petroliferous Barmer Basin, northwestern India: A new geomechanical approach
Premanand Mishra, G. Karthikeyan, Sabyasachi Dash, Shubhodip Konar, Ajoy K. Bora, Utpalendu Kuila, Dilip K. Mukhopadhyay, and Mark D. Zoback
AAPG Bulletin
... an average nonproductive time of ∼15% to 40% during drilling operations, mainly in the exploration and early stages of field development (Aadnoy and Ong, 2003...
2023
Coupling Spatial and Frequency Uncertainty Analyses in Reservoir Modeling: Example of Judy Creek Reef Complex in Swan Hills, Alberta, Canada
Y. Zee Ma, Andrew Seto, Ernest Gomez
AAPG Special Volumes
... constant, a time average over the motions of a system of particles is the same average obtained by integration over a surface in phase space, called...
2011
Prediction of Abnormal Pressure Based on Seismic Data: A Case Study of Exploratory Well Drilling in Pertamina UEP I and UEP II Work Areas
P. Manik, P. A. Soedaldjo
Indonesian Petroleum Association
... which is extremely important is the determination of required mud weight at the time of drilling. Mud has many functions and one of the most important...
1984
Quantitative Modeling of the Evolution and Geometry of Incised Valleys
John Martin, Alessandro Cantelli, Chris Paola, Michael Blum, Matthew Wolinsky
Journal of Sedimentary Research (SEPM)
..., height (L, W, and H), and time scales (T) to Equation 9 and evaluate the terms on the right-hand side. Using Z for the average rate of base-level fall...
2011
Innovative Approach for Estimating Organic and Inorganic Porosity in Organic Shale Reservoirs: A Case Study in the Vaca Muerta Formation
Ezequiel F. Lombardo, Haijing Wang, Sergio Cuervo, Luisa Crousse
Unconventional Resources Technology Conference (URTEC)
...), modified from (Cuervo et al., 2017). The total porosity can be estimated using the transit time from sonic logging using Wyllie time-average equation...
2025
Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf
Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall
Journal of Sedimentary Research (SEPM)
.... For example, Wyllie et al.'s (1958) time-average equation relates compressional wave velocity to the inverse of porosity. Hamilton et al. (1956...
1996
The Geology of Landfills
Peter J. Hutchinson
Environmental Geosciences (DEG)
... the mechanisms for compaction, astructural transformation, and biogenic ranking. These processes act in concert to time-average and taphonomically overprint...
1995
Extrapolation of Reservoir Lithology Away from Wells Using Seismic-Geologic Controls
Ruben D. Martinez, Geoffrey Mansfield
Indonesian Petroleum Association
... be assumed to vary linearly with volume fractions of sand, shale and porosity (based on a modified time average equation to include shale content). When...
1991
The National Conference on Earth Science, Banff, September 15-19, 1986: "Geology and Reservoir Management": CONFERENCE REPORT
Peter Gretener
CSPG Bulletin
... measurements when combined with other logs to define the mineralogy of the matrix (time average equation). Direct measurement of the permeability...
1987
Visualization of Complex Shale Swelling at Lamina-Scale
Prathmesh Naik Parrikar, Asiman Saidzade, Mehdi Mokhtari
Unconventional Resources Technology Conference (URTEC)
... horizontal strain were calculated for the specimens to compare their swelling behavior as a function of time. The average strain in each specimen...
2020
Satellite-Based Assessment of Sediment Transport, Distribution and Resuspension Associated with the Atchafalaya River Discharge Plume
Walker, Nan, Roberts, Harry, Stone, Gregory, Bentley, Samuel, Huh, Oscar, Sheremet, Alexandru, Rouse, Larry, Inoue, Masamichi, Welsh, Susan, Hsu, S. A., Myint, Soe
GCAGS Transactions
... occurred on March 13 with speeds of 50 cm s-1 for a short period of time. The average mid-depth velocity for the three day period leading up...
2002