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The AAPG/Datapages Combined Publications Database
Showing 380 Results. Searched 195,364 documents.
The Relationship Between the Compressional Wave Velocity of Saturated Porous Carbonate Rocks and Density: Theory and Application
Search and Discovery.com
N/A
Physical Properties of Carbonate Reservoirs in South Sumatra
B. Sudewo, A. R. Suhendan, S. Chacko
Indonesian Petroleum Association
... resistivity. These parameters were investigated for their relationship with porosity. Established modeling equations like the Time-Average Equation...
1987
Characteristics of Velocity-Porosity Relationships in the Baturaja Limestone Reservoir: A Case Study in the South Sumatra Basin
Muhamad Noor Ali
Indonesian Petroleum Association
... for their relationship with porosity derived from Neutron-Density cross-plots from wireline logging. Established modeling equations like the Time Average Equation, Raymer...
2002
Abstract: Rock-Physics Modeling of Shallow Marine Sediments, by Alok Kumar; #90081 (2008)
Search and Discovery.com
2008
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
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
Rock Physics Diagnostics as a Prerequisite for Optimal Petrophysics
Akash Mathur, Hilfan Khairy
Indonesian Petroleum Association
.... Sonic Porosity Wyllie-time-average Wyllie-time-average equation is one of the most popular porosity computation methods from DT log. It is one...
2021
Quick Look Techniques
Richard H. Merkel
AAPG Special Volumes
... quick looks have been very effective in the Gulf Coast area. Resistivity and travel time average values should be noted and recorded for each zone...
1979
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
Standard Interpretation: Part 4. Wireline Methods
Mark Alberty
AAPG Special Volumes
... equal to 0.9 for oil and 0.7 for gas. The Wyllie time average equation is [EQUATION] The Raymer-Hunt-Gardner equation is an empirical approach...
1992
The Impact of Pore Geometry and Microporosity on Velocity-Porosity Relationship in Carbonates of Central Luconia, Sarawak; #41030 (2012)
Nor Sara Izzatti Bashah and Bernard Pierson
Search and Discovery.com
... scattering along the Wyllie’s time average equation. The large scattering in most cases will result in large uncertainties in seismic inversion...
2012
Unconventional Carbonate Reservoir Characterization Using Sonic Velocity and Characterization of Pore Architecture: An Example From the Mid-Continent Mississippian Limestone; #50979 (2014)
Beth Vanden Berg, G. Michael Grammer, Gregor Eberli, Ralf Weger
Search and Discovery.com
... to Pore Type 7000 6000 4000 Time Average Equation for Dolomite 3000 Time Average Equation for Calcite microporosity interpart./crystalline por...
2014
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
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
ABSTRACT: Predicting Lithology and Reservoir Quality from Acoustic Velocities Based on Petrophysical Classification of Siliciclastics, by Lev Vernik; #91020 (1995).
Search and Discovery.com
1995
Fractional Isostatic Mantle Compensation of Carbonate Buildups: GEOLOGIC NOTE
I. Lerche , M. A. Perlmutter
AAPG Bulletin
... depth, so that EQUATION (4b) At the present time, the average depth of the photic zone for carbonate or reef growth is around 70 m, with a maximum...
1993
Difficult Lithologies: Part 4. Wireline Methods
Khaled Hashmy, Mark Alberty
AAPG Special Volumes
... formations. Density-Sonic Crossplot Two versions of the density-sonic crossplot also exist, one using the Wyllie time average equation and the other...
1992
Basin-Filling Models: Chapter 9
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
...) equation for sediment: [EQUATION (9.1)] where is the elevation of the sediment surface above a fixed datum, the subsidence rate, t time, C0...
1990
Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
A. R. Gregory
AAPG Special Volumes
.... The time-average equation (1) empirically relates velocity and rock parameters for a fairly wide range of porosities: [EQUATION (1)] where...
1977
ABSTRACT: Effect of Isolated Biomoldic Porosity on a Pennsylvanian Carbonate Reservoir in North Texas, by Hughbert Collier; #91030 (2010)
Search and Discovery.com
2010
ABSTRACT: Modeling of a Vuggy Carbonate Reservoir (McElroy Field, West Texas), by K. Dehghani, P. M. Harris, K. A. Edwards and W. T. Dees; #91021 (2010)
Search and Discovery.com
2010
Abstract: Modeling and Simulation of a Vuggy Carbonate Reservoir, by K. Dehghani, P. M. Harris, K. A. Edwards, and W. T. Dees; #90942 (1997).
Search and Discovery.com
1997
Abstract: Deriving Pore Structure and Permeability from Sonic Velocity in Carbonates; #90063 (2007)
Search and Discovery.com
2007
Prediction of Residual Oil Saturation by Using the Ratio of Amplitude Attributes of Time-Lapse Seismic Data
Search and Discovery.com
N/A
ABSTRACT: Elastic Wave Velocity Model Analyses for Gas-Hydrate Bearing Sediments; #90061 (2006)
Dong Wang and Xiuming Wang
Search and Discovery.com
... obtained using the time-average equation, the Gassmann model, the Biot-Gassmann model, and the LCA model are compared. AAPG Search and Discovery #90061...
2006