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The AAPG/Datapages Combined Publications Database
Showing 380 Results. Searched 195,387 documents.
ABSTRACT High-Velocity Carbonates with High Permeability: Implications for Reservoir Quality in High Acoustic Impedance Intervals, #90104 (2010)
Eberli Gregor P.; Verwer Klaas
Search and Discovery.com
.../s from the Wyllie time‐ average equation. The two sample sets differ, however, in regards to permeability. The moldic group has low permeability while...
2010
Multi-Layer Test Analysis for Dissolved Gas Reservoirs
W. Jatmiko, T. S. Daltaban, J. S. Archer
Indonesian Petroleum Association
... as: The PVT values are evaluated using the average pressure, p. Equation(11) is then calculated at the average time, t from a drawdown test. tw...
1996
Turbulent Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
... by the boundary, and the profile of time-average velocity along a line normal to the boundary. With turbulent flow it's not possible to solve...
1984
Improving Analytical Flowing Material Balance Workflow Considering Formation Water Production
ShiowHuoy (Stephanie) Lim, Vivek Muralidharan, Soodabeh Esmaili, Spencer McKone
Unconventional Resources Technology Conference (URTEC)
... to derive SRV OIP from the single-phase FMB plot, and the data were then divided by the actual volume from models to plot against early-time average WOR...
2022
Behavior of Fluids
Gerard Middleton, John B. Southard
Special Publications of SEPM
... in deriving the equation. the time-average bottom shear stress; the instantaneous bottom shear stress would fluctuate turbulently with time. i,, P...
1984
Acoustic Properties of "Young" Carbonate Rocks, Odp Leg 166 and Boreholes Clino and Unda, Western Great Bahama Bank
J.A.M. Kenter, F.S. Anselmetti, P.H. Kramer, H. Westphal,, M.G.M. Vandamme
Journal of Sedimentary Research (SEPM)
... cemented to uncemented and compacted background sediments have velocities that, at a given porosity, fall below the time-average equation for calcite...
2002
Combining Pore Architecture and Sonic Velocity Response to Predict Reservoir Quality: An Example from a Mid-Continent Mississippian Carbonate, #10547 (2013)
Beth Vanden Berg, Michael Grammer, Gregor Eberli, Ralf Weger
Search and Discovery.com
...%.... ..... . • .... • .... "- "- • - - - Time-average equation - - - Woods equation (for suspension) ------ Theoretical maximum o 10 20 30 Porosity...
2013
Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)
Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders
Journal of Sedimentary Research (SEPM)
... mineralogy, rather than a significant difference in primary porosity. The time-average velocity equation for a calcite matrix fails to predict...
1997
Statistical Methods For Log Analysis of Reservoir Properties: Chapter 1
John H. Doveton
AAPG Special Volumes
... world. When the prediction equation is rewritten as a functional relation, it becomes the time-average equation of Wyllie et al. (1956), usually...
1994
Abstract: Lithology Prediction and Storage/Transport Properties Evaluation in Clastic Sedimentary Rocks Using Seismic Velocities, by L. Vernik and A. Nur; #91009 (1991)
Search and Discovery.com
1991
Abstract: Characterization of Onlapping Reef Sequences: Dominican Republic Drilling Project, by James S. Klaus, Donald F. McNeill, Albertus Ditya, Yula Hernawati, Gregor P. Eberli, and Peter K. Swart; #90124 (2011)
Search and Discovery.com
2011
Carbonate Rock Physics and Sequence Stratigraphy in Central Luconia, Malaysia: Towards an Integrated Acoustic Facies for Partially Dolomitized Platforms
Search and Discovery.com
N/A
ABSTRACT: Design Analysis of the Raymer Hunt-Gardner Algorithm and Modification for Shaly Sands; #90118 (2011)
Hari Kumar
Search and Discovery.com
... of the Raymer–Hunt-Gardner Algorithm and Modification for Shaly Sands Hari Kumar CEWELL, Oil and Natural Gas Corporation Ltd, Baroda [email protected] Time...
2011
Fluid Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
... as the difference between the instantaneous velocity u and the mean velocity u: u = u where the overbar denotes a time average. The time-average value of u' must...
1984
Integrated Reservoir Characterization of Mississippian-Age Mid-Continent Carbonates, #30297 (2013)
Michael Grammer, Darwin Boardman, James Puckette, Jay Gregg, Priyank Jaiswal, Miranda Childress, Buddy Price, Beth Vanden Berg, Stephanie LeBlanc
Search and Discovery.com
... rocks Compacted mud samples 6000 3-D Seismic 5000 m/s 5000 4000 43% 12% 3000 2400 m/s 2000 Grammer (2010) 1000 0 Time-average equation Woods...
2013
Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand
S. Thanatit, S. Ronghe
Indonesian Petroleum Association
... between acoustic impedance and velocity. The time average equation of Wyllie et al. (1958): φ = (T - Tma)/(Tfl - Tma), further provides for the extraction...
1999
Optimizing MFHW Completion and Fracturing in Shale Formations Utilizing High Frequency ESP Real Time Data
Lawrence Camilleri, Dennis McEwen, Alexey Rusakov, Dave Weishoff, Russ Akers, Josh Lachner, Troy Kisner
Unconventional Resources Technology Conference (URTEC)
... of the real-time average SRV static pressure, which therefore made calculation of the PI and SRV relatively simple using physics-based workflows...
2020
Abstract: The Role of Microbial Activity on Petrophysical Properties; #90153 (2012)
Gregor P. Eberli, Klaas Verwer, Giovanna Della Porta, Ralf J. Weger
Search and Discovery.com
... than the time average equation would predict (Figure 2). In comparison with the velocities of the limestone samples, the stromatolites are all...
2012
Screening Techniques: Chapter 9
Myron K. Horn
AAPG Special Volumes
... added on the spreadsheet ST-16 to compute porosity from travel time. The time-average equation is used for the computation: [EQUATION (1)] A posted...
1991
Prediction of multiple origin overpressure in deep fold-thrust belt: A case study of Kuqa subbasin, Tarim Basin, northwestern China
Changyu Fan, Gang Wang, Zhenliang Wang, Xiaojie Han, Jie Chen, Kuaile Zhang, and Baoshou Zhang
AAPG Bulletin
... for the deepwater Sabah fold belt: Journal of Structural Geology, v. 69, p. 465–480, doi:10.1016/j.jsg.2014.07.013. Dvorkin J., Nur A., 1998, Time-average...
2021
A cross-shape deep Boltzmann machine for petrophysical seismic inversion
Son Dang Phan and Mrinal K. Sen
AAPG Bulletin
... saturation is calculated using the Wyllie time-average rock physics model (Wyllie et al., 1956). The target zone is highlighted by a hot shale interval...
2022
Pattern Recognition in a Digital Age: A Gameboard Approach to Determining Petrophysical Parameters; #40929 (2012)
Daniel A. Krygowski and Robert M. Cluff
Search and Discovery.com
..., and Rw. Below those is a dropdown menu for the porosity source, porosity from acoustic traveltime via the Wyllie Time-Average equation...
2012
Uncertainty Analysis in Well-Log and Petrophysical Interpretations
William R. Moore, Y. Zee Ma, Jim Urdea, Tom Bratton
AAPG Special Volumes
... development. Points exist both above and below the Wylie time-average porosity line. The analyst must determine if the error is with the data...
2011
Combining Sonic Velocity and Characterization of Pore Architecture to Develop a Proxy for Reservoir Permeability in Unconventional Carbonates: An Example from the Mid-Continent Mississippian Limestone
Beth Vanden Berg, G. Michael Grammer
Unconventional Resources Technology Conference (URTEC)
... with a less obvious correlation. As shown in Figure 1, all of the samples analyzed can be loosely predicted using the Wyllie time average equation to calculate...
2014
Applications of the Electromagnetic Propagation Tool in Indonesia
B. R. Wood, P. Westaway
Indonesian Petroleum Association
..." interpretation can be made at the wellsite with the Cyber Service Unit (CSU)tm. Using a "Wyllie type" time average equation and working with loss-corrected...
1982