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The AAPG/Datapages Combined Publications Database
Showing 34 Results. Searched 195,364 documents.
ABSTRACT: Simplified and Constrained Gassmann's Equations; #90007 (2002)
De-hua Han, Michael Batzle
Search and Discovery.com
... Voigt-Reuss bounds and critical porosity limits constrain the Gassmann's equations and provide upper and lower bounds of the fluid saturation effect...
2002
Gassmann With Texture Dependent Effective Grain Moduli
Search and Discovery.com
N/A
Modeling of Sandstone Ngrayong Formation Using Digital Image Analysis
Annisa Rachmi Trahwiwit Widijana, Fourier Dzar Eljabbar, Almira Anissofira, Fatkhan, Handoyo
Indonesian Petroleum Association
... are not as prevalent as the pore shape. The Voigt–Reuss– Hill formulation is common equation used to estimate the elastic moduli of a rock. Voigt– Reuss– Hill...
2015
Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)
Jawwad Ahmad and Douglas Schmitt
Search and Discovery.com
...). Voigt-Reuss bounds are also shown here. (b) Original Vp based on sonic log (black); Vp after water saturation (blue); and Vp after gas saturation (red...
2015
Acoustic Velocity Modeling of Unconventional Reservoirs
Alessandra Simone, Lori Hathon, Michael Myers
Unconventional Resources Technology Conference (URTEC)
... parameters were fit to derive the Reuss (L=0) and Voigt (L=1) bounds to describe the impact of geometry on acoustic anisotropy. Measurements of elastic moduli...
2020
Abstract: The Effect of Clay and Gas on the Elastic Properties of Sandstones (Paper 15)
Mark Sams, Martijn Andrea
Geological Society of Malaysia (GSM)
.... VariQus modelling techniques such as the self consistent method, KursterToksoz, differential effective medium modelling, Backus averaging and Voigt...
1995
Enabling the Next Generation of Hydrocarbon Exploration
Stefano Volterrani, Tim Matava, Zakir Hossain, Shihong Chi, Brian W. Horn
GEO ExPro Magazine
... in stress and changes in porosity (strain). Similarly, for the basin model, the rock physics model satisfies Voigt-Reuss bounds, ensuring bounded values...
2018
Rock Physics and Depositional Trends; #41316 (2014)
Marco Perez, David Close, and Greg Purdue
Search and Discovery.com
... members through the Hashin-Shtrikman bounds. The zero porosity end member is defined by taking a weighted average (Voigt, Reuss, Hill) of the moduli...
2014
High Resolution Cuttings Analysis for Well Placement in the Uinta Basin
Ilham Permata, Sattor Khakimov, Shaken Kenzhekhanov, Max Toktarov, Karly Clippinger
Unconventional Resources Technology Conference (URTEC)
...). Voigt-Reuss-Hill bound is using Hill’s arithmetic average from Voigt and Reuss calculated values. Voigt (Iso-strain) bound...
2020
4D joint inversion and close-the-loop for production history matching and forecasting
Kelly Wrobel, J. P. Blangy, Tony Rolland, Evan Mutual, Klaus Bolding Rasmussen, Wendell Pardasie
International Meeting for Applied Geoscience and Energy (IMAGE)
... frame as well as a regression function that situates the data in the correct space within Voigt-Reuss bounds. The in-situ rock physics model uses...
2023
Modeling consolidated sandstones with dispersed clay
J. Gallop, L. Vernik, F. Contreras, J.-G. Restrepo, S. Blanco, G. Alvarez
International Meeting for Applied Geoscience and Energy (IMAGE)
... of clay. The first modification can be introduced using a Voigt-Reuss-Hill average (instead of a Reuss one), while the second requires empirical...
2023
Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan Indonesia)
Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni
Indonesian Petroleum Association
... wells. (b) Crossplots of density versus P-wave velocity (coloured coded by gamma ray) with overlaid Voigt and Reuss bounds and between P-wave velocity...
2014
Layered Modulus Effect on Fracture Modeling and Height Containment
Kaimin Yue, Jon E. Olson, Richard A. Schultz
Unconventional Resources Technology Conference (URTEC)
... is known as the Voigt (1910) average and height-weighted harmonic average is known as the Reuss (1929) average. Voigt and Reuss averages are widely...
2018
Metaheuristic Rock Property Determination Driven by Rock Type Constrained Global N-Dimensional Analysis; #42292 (2018)
Travis Ramsey, Chang Lu, Jie He
Search and Discovery.com
...epresents the Voigt-Reuss-Hill average for the mineral bulk modulus; the rock type component bulk modulus is Ki. The consideration of rock types is im...
2018
Estimation of shear wave velocity based on adaptive step size algorithm
Yipeng Gu, Jiajia Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... developed a rock physics model for sandstone: The mixed mineral modulus was first calculated using the Voigt-Reuss-Hill model; Then the dry rock...
2023
Chapter 8: Impact of Depositional and Diagenetic Heterogeneity on Multiscale Mechanical Behavior of Mancos Shale, New Mexico and Utah, USA
Hongkyu Yoon, Mathew D. Ingraham, Joseph Grigg, Benjamin Rosandick, Peter Mozley, Alex Rinehart, William M. Mook, Thomas Dewers
AAPG Special Volumes
... of indentation results over two 5 × 5 grid areas in mM micro-lithofacies are shown in Figure 13E, F. Two commonly used mixture models (Voigt and Reuss) have...
2019
Reservoir Characterization for Gas Production and CO2 Sequestration
Adriana Gordon, Raul Cova, Evan Mutual, Bill Goodway, Scott Leaney, Wendell Pardasie, Matt Ng
Unconventional Resources Technology Conference (URTEC)
..., incorporating physical bound theories like Voigt, Reuss, Hashin-Shtrikman, and multi-mineral fluid substitution theory (Gassmann). These models...
2023
Abstract: A Look into Gassmanns Equation; #90187 (2014)
Nawras Al-Khateb
Search and Discovery.com
...) to calculate Vshale. The Voigt-Reuss-Hill (VRH) average provides a simple way to calculate Ko, which is basically an average of the Reuss average...
2014
Characterizing Multiple Formations for Gas Production and CO2 Sequestration
Adriana Gordon, Bill Goodway, Evan Mutual, Raul Cova, Scott Leaney, Wendell Pardasie, Matt Ng
Unconventional Resources Technology Conference (URTEC)
..., 2020). It consists of non-linear regression-based models that obey physical bound theory, including Voigt, Reuss, Hashin-Shtrikman theories...
2023
Elastic Dispersion in Shale: Laboratory Tests and Rock Physics Modeling
Rune M. Holt, Audun Bakk, Erling Fjær, Serhii Lozovyi, Kim Sarah Mews
International Meeting for Applied Geoscience and Energy (IMAGE)
... significance in shales. Figure 6 shows P- and S-wave velocities (calculated as a Voigt-Reuss-Hill average) for a material with 50 % clay...
2023
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... Voigt-Reuss behavior at porosities below the critical porosity (Nar et al., 1991). The Wood’s equation behavior is characteristic of slurries...
2001
Time-lapse FWI prediction of CO2 saturation and pore pressure
Qi Hu, Kristopher Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
... on the above analysis, we propose a complete rock physics modeling process for CO2 monitoring: 1) the mineral elastic moduli are computed using Voigt-Reuss...
2023
Tortuosity and grain size modeling for permeability prediction in clastics
Vimal Saxena
International Meeting for Applied Geoscience and Energy (IMAGE)
... but NMR is logged for permeability estimation. Shear tortuosity estimation desires matrix shear moduli computation that is done through Voigt-Reuss...
2023
Time Lapse Feasibility Seismic Study of Gas Carbonates Reservoir in Tetra Field, Indonesia
Helmi Indrajaya, Boris Gurevich, Maxim Lebedev, Sigit Sukmono
Indonesian Petroleum Association
... the average value between Voigt and Reuss model with the equation: 1. Petrophysical analysis 2. Rockphysical analysis 3. Synthetic seismogram and AVO...
2014
The Impact of Thermal Maturity on the Organic-Rich Shales Properties: A Case Study in Bakken
Mohamed Lamine Malki, Vamegh Rasouli, Mohamed Mehana, Ilyas Mellal, Mohammad Reza Saberi, Billel Sennaoui, Hichem A. K. Chellal
Unconventional Resources Technology Conference (URTEC)
.... Matrix density is computed from the Voigt-Reuss-Hill average (VRH) using the XRD average and mineralogical model in Bakken shales...
2023