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The AAPG/Datapages Combined Publications Database
Showing 34,503 Results. Searched 200,756 documents.
Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues
Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp
AAPG Bulletin
... topography part of the mesa. (E) Vertical P-wave geophone before installation. (F) The seismic source: a 500-kg accelerated weight drop (pointed...
2022
Basin Modelling and Diagenetic Effects of Groundwater Migration; #40432 (2009)
Xavier Guichet, and Sylvie Wolf
Search and Discovery.com
... a mass balance equation that describes transport of the dissolved mineral by advection. The prototype predicts cumulative volume changes of minerals...
2009
Porosity Reduction in Sandstone by Quartz Overgrowth
Frederic Leder, Won C. Park
AAPG Bulletin
...: Canadian Mineralogist, v. 6, p. 210-221. Stephenson, L. P., 1977, Porosity dependence on temperature: Limits on maximum possible effect: AAPG Bulletin, v...
1986
Small-Scale Models of Turbidity Currents and the Criterion for Auto-Suspension
G. V. Middleton
Journal of Sedimentary Research (SEPM)
.... In neglecting the effect of viscosity in setting up equation (7), the proviso must be made that the scale of the model be sufficiently large in order...
1966
Condensate Banking Effects on Well Productivity and its Coarse Grid Representation in the Full Field Modeling of the Abadi Field
Masahiko Nomura
Indonesian Petroleum Association
... equation. v Equation 3 provides the (4) where, (5) FND is a permeability retainment factor for non-Darcy effect. If there is no Non-Darcy effect, FND...
2013
AAPG Archie Series, No. 1, Chapter 6: Petrophysical Properties of Thinly Bedded Formations
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... Non-planar beds Induction logs and the effect of dip Transverse isotropy and the conductivity tensor Archie exponents...
2006
Measurements and Analysis of Settling Velocities of Natural Quartz Sand Grains
Jumpei Baba, Paul D. Komar
Journal of Sedimentary Research (SEPM)
... roundness has no measurable effect on the settling rate. The settling velocity is shown to be a function of grain sphericity. either expressed as the Corey...
1981
Shaly Sand Analysis: Chapter 3
George B. Asquith
AAPG Special Volumes
..., and have a more pronounced effect on log measurements. We conclude, then, that a value for volume of clay (Vcl) that favors clays with high cation exchange...
1990
Progressive Rollover Fault-Propagation Folding: A Possible Kinematic Mechanism to Generate Regional-Scale Recumbent Folds in Shallow Foreland Belts
Fabrizio Storti , Francesco Salvini
AAPG Bulletin
...: Eclogae Geologicae Helvetiae, v. 74, p. 255-275. Taboada, A., J. F. Ritz, and J. Malaveille, 1990, Effect of ramp geometry on deformation...
1996
Conversion Constants for Mahogany-Zone Oil Shale: GEOLOGICAL NOTES
John Ward Smith
AAPG Bulletin
... matter is given in equation 1. Confidence limits at 95 per cent are given for this and subsequent averages. EQUATION (1) Based on the actually...
1966
The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem
Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin
Indonesian Petroleum Association
... the anisotropic effect simply on the sediment layer. The data processing is divided into two parts namely isotropic PSDM to flatten near offset gather (angle mute...
2018
Combined P and S Waves Survey for Hydrocarbon Exploration
Basuki Puspoputro
Indonesian Petroleum Association
... change shape but not the volume (Robinson 1983, Domenico and Danbom 1987). The equation for the P-wave velocity Vp and S-wave velocity Vs may...
1990
A Modified Approach to Estimating Coal and Coal Gas Resources: Example from the Sand Wash Basin, Colorado
Andrew R. Scott , Naijiang Zhou , Jeffrey R. Levine
AAPG Bulletin
..., ash yield, and gas content. The basic equations used to calculate coal tonnage and coal gas are as follows: [Equation (1)] [Equation (2)] where Ton...
1995
Mantle Creep: Elasticoviscous Versus Modified Lomnitz Law, and Problems of "The New Global Tectonics"
Paul S. Wesson
AAPG Bulletin
..., and thermal parameters of granite, when substituted into the equation describing the effect, gives Q = 200-300, thereby demonstrating its cogency...
1972
LARGE LOOP EM SURVEYS IN THE ATHABASCA BASIN
BRIAN POWELL
Saskatchewan Geological Society
... in tandem with the receiver coil. In this respect it is like the MaxMin system which is used in the shallower parts of the Athabasca Basin...
1990
Diagenesis Through Coupled Processes: Modeling Approach, Self-Organization, and Implications for Exploration
W. Chen, A. Ghaith, A. Park, P. Ortoleva
AAPG Special Volumes
... on composition and temperature can lead to buoyancy-driven flows in a sedimentary basin. Classic studies on this effect were those of Bories and Combarnous...
1990
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... at the hydrophones within the streamer. The effect on the spectral content of the data will depend upon the source and streamer depths, the water depth...
2011
Confinement Effect on the Fluid Phase Behavior and Flow in Shale Oil Reservoirs
Yilei Song, Zhaojie Song, Jia Guo, Dong Feng, Baojun Bai, Yueliang Liu
Unconventional Resources Technology Conference (URTEC)
...Confinement Effect on the Fluid Phase Behavior and Flow in Shale Oil Reservoirs Yilei Song, Zhaojie Song, Jia Guo, Dong Feng, Baojun Bai, Yueliang...
2020
Seismic Techniques in the Alberta Foothills
L. H. Reed
CSPG Special Publications
... reflection project should be investigated for this effect and, if necessary, special shooting be done to verify whether or not the feature is real...
1953
Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets
Dries Gisolf, Peter R. Haffinger
International Meeting for Applied Geoscience and Energy (IMAGE)
...Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets Dries Gisolf, Peter R. Haffinger Wave-equation...
2022
Oil Column Calculations in Stratigraphic Traps
Robert R. Berg
GCAGS Transactions
... size from porosity and permeability data using an empirical equation (Berg, 1970), and then to compute the capillary pressure by an estimate of fluid...
1972
Permeability Estimation in Tight Gas Sands and Shales using NMR A New Interpretive Methodology; #40522 (2010)
Christopher M. Prince, Deborah Deibler Steele, and Charles A. Devier
Search and Discovery.com
... of this relationship means that pore size can proxy for throat size in any estimation equation. It is an interpretation which honors the petrologic...
2010
Electric Log Interpretation in Exploring for Stratigraphic Traps in Shaly Sands
Howard A. Slack , Carel Otte
AAPG Bulletin
... that, in the case of a water-bearing shaly sand, the static electrochemical component of the spontaneous potential (SPs) is given by: EQUATION (1) where Kt...
1960
Abstract: Azimuthal Fourier Coefficients: A Simple Method to Estimate Fracture Parameters; #90174 (2014)
Jon Downton and Benjamin Roure
Search and Discovery.com
... or angle of incidence and gives similar results to that obtained by the near offset Rüger equation using multi-offset/angle data. Combinations of F.C....
2014
A Hydrodynamic Classification of Grain Shapes
J.P. Le Roux
Journal of Sedimentary Research (SEPM)
.... A modified hydrodynamic shape index given by [1 - (Ds/Dl)]x is proposed, which yields an improved, simplified settling equation applicable to spheroids...
2004