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The AAPG/Datapages Combined Publications Database

Showing 23 Results. Searched 189,922 documents.

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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

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

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

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

Abstract: A Look into Gassmanns 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

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 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

Applying Rock Physics towards Seismic Characterization: Case Study from an Unconventional Resource, Neuquén Basin, Argentina; #41886 (2016)

Teresa Santana, R. Weger, Silvana Gandi, Alejandro D'Odorico, Ariel Kautyian

Search and Discovery.com

... ACOUSTIC IMPEDANCE ((g/cm3)/(m/s)) SOFTER STIFFER VOLUME FRACTION MATERIAL 2 CLAY = 15% VOIGT-REUSS AVERAGE (50/50) K0 MU0 DENSITY CLAY + QUARTZ...

2016

Combined Geostatistical Inversion and Simultaneous AVA Inversion: Extending the Life of a Mature Area, Kotabatak Field, Central Sumatra Basin, Indonesia

Matthew H. Hoehn, Ibnu Arif, Chris Welch, F. Hasan Sidi, Djoko Rubyanto, Robert van Eykenhof, Mark Sams, Yudi Prasetyo

Indonesian Petroleum Association

... and pore space were combined using a mixture of methods including the Voigt-Reuss-Hill (Hill, 1965) and Xu and White (1995). The fluids were combined using...

2005

Time-Lapse Simultaneous AVO Inversion of the Widuri Field, Offshore Southeast Sumatra

Bill Harmony, Robert Van Eykenhof, Lupi Harvidya, Djoko Rubyanto, Sri Lestari Supardi, Mark Sams, Fauzi Alkatiri, Paul Van Riel, Peter Mesdag

Indonesian Petroleum Association

.... The minerals are combined using a mixture of methods including Voigt-Reuss-Hill and Xu and White (1995). The fluids are combined using the model...

2003

A Geomechanics-Driven Facies Model to Reconcile Production, Inform Completion Strategies, and Determine Landing Zones in the Green River Basin

Joel Mazza, Jesse Havens, Torrey Mullen

Unconventional Resources Technology Conference (URTEC)

... using Voigt-Reuss-Hill averaging of endmember clay and quartz properties Pore shape was correlated linearly to porosity with fitting parameters Gassmann...

2019

Improved Constant Rate of Strain Consolidation Test on Stiff Shale

Daisuke Katsuki, Marte Gutierrez, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... by applying the Voigt-ReussHill average to the mineralogy data of Mancos shale reported in [13]. The Voigt-Reuss-Hill average of bulk modulus of solid grains...

2014

Effect of Mineralogy on NMR, Sonic, and Resitivity: NMR, Sonic, and Resistivity: A Case Study of the Monterey Formation

Saul Rivera, Manika Prasad

Unconventional Resources Technology Conference (URTEC)

..., and The equation used to calculate the M-modulus is as follows: where respectively. and (calculated using Voigt, Reuss, and Hill average) are the saturated...

2014

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

... of the rock and is equal to the value of V as approaches zero. The theories of Voigt (1928) and Reuss (1929) can be used to estimate the velocity...

1977