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The AAPG/Datapages Combined Publications Database
Showing 380 Results. Searched 195,405 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
SONIC LOG APPLICATIONS - EASTERN VENEZUELA
W. F. Clarke
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... relationship and arrive at a time-average equation which gives satisfactory results at the lower porosities. (Equation 1) The time-average equation by-passes...
1961
Geological Factors Influencing Porosity Estimates From Velocity Logs
Roberto Sarmiento
AAPG Bulletin
... the variables mentioned. The resulting equations give more accurate porosity estimates than the time-average equation, which is in widespread use...
1961
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
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
Tulsa's Weather
National Weather Service, United States Department of Commerce
Tulsa Geological Society
.... Snowfall amounts are usually light and remain on the ground a very short time. The average date for the last occurrence in the spring of temperatures...
1972
Extended Abstract: Aquifers, Faults, Subsidence, and Lightning Databases
Kathy S. Haggar, Les R. Denham, H. Roice Nelson, Jr.
Houston Geological Society Bulletin
... by tides (Nelson, et al., 2013), and the impact of tides on marshes and swamps increases with subsidence. Figure 1. Maps of rise time, average peak...
2016
Geology of Mattoon Field, Illinois: ABSTRACT
C. Doh
AAPG Bulletin
... together. Wells are drilled to 2,000 feet in 7 days, with two rock bits and four retips. However, the dual completion takes 20 days of spudder time...
1948
Effect of Rate of Growth of Anticlinal Structures on Scale of Accumulation of Hydrocarbons in Southwest Turkmenia
V. I. Didura
Petroleum Geology: A Digest of Russian Literature
... in Apsheron time and particularly in the Anthropogene. These are the Cheleken, Nebitdag, Koturtepe, and Izatkuli. Average rate of growth...
1982
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
Enhancing the Sedimentological Understanding Within the Arab Formation (Upper Jurassic), Abu Dhabi - Constraining the Future Reservoir Model Build
Search and Discovery.com
N/A
Pore Networks in Niobrara, Piceance Basin, Western Colorado Exhibit Minimal Regional Variability as a Function of Thermal History
Search and Discovery.com
N/A
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
Abstract: Adaptive Microseismic event Detection and Automatic Time; #90174 (2014)
Jubran Akram and David Eaton
Search and Discovery.com
... the large size of data. The short time average and long time average ratio (STA/LTA) is considered the most popular event detection algorithm...
2014
Our Experience With the Underground Storage of Gas (The Manufacturers Light and Heat Company, Pittsburgh, Pennsylvania): GEOLOGICAL NOTES
E. O. Schillhahn
AAPG Bulletin
... at approximately 30 pounds pressure. At the present time the average daily delivery to storage will approximate 2½ million cubic feet and the average...
1940
Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: DISCUSSION
John B. Southard
Journal of Sedimentary Research (SEPM)
... the instantaneous velocity and the mean velocity in the y direction and the bar denotes a time average), to the equation of motion in the y direction...
1970
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
Abstracts: Automatic P-wave Arrival Time Picking Method for Seismic and Microseismic Data; #90173 (2015)
Jubran Akram
Search and Discovery.com
... a multi window algorithm for detecting first arrivals. The other techniques of short time average and long time average ratio (STA/LTA) and modified...
2015
Abstracts: Akaike Information Criterion Applied to Detecting First Arrival Times on Microseismic Data; #90173 (2015)
Andy St-Onge
Search and Discovery.com
... in November 2009 was used to test the algorithm. Equation 2 was used to calculate the AIC array values shown on Figure 2. The time series initiates...
2015
Geocentric Sectoring of LWD Azimuthal Log Data for Improved RDIP and RSTRIKE Analysis: Enhanced Reservoir Navigation and Petrophysical Characterization
James J. Willis, Lauren A. Martz
GCAGS Transactions
..., RSTRIKE extraction for petrophysical analysis of strata is more refined with the geocentric approach (Figs. 7–9). Many companies used the time-average...
2017
A Review of Petrophysics of Cooper Basin Reservoirs in South Australia
Chris Porter
Petroleum Exploration Society of Australia (PESA)
... himself is at variance with the conclusions drawn. Wyllie's equation Wyllie's 'Time Average Equation' app• lies for a model consisting of a layered...
1990
Basic Log Analysis Resolved a Heterogeneous and Complex Carbonate Pore Type Problem
Al Hafeez, Ananto Wibisono, Rochmad, Dadi Lestiyardi
Indonesian Petroleum Association
... at the validity of sonic measured and the Wylie’s time average equation as stated by Anselmetti-Eberli. Unlike another clastic reservoir, carbonates are unique...
2017