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Keywords: effective pressure
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Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1130
... reservoir geomechanics poroelastic coefficient porosity workflow stiffness Upstream Oil & Gas biot poroelastic coefficient horizontal stress tectonic strain effective pressure coefficient Reservoir Characterization pore pressure compressibility composition effective pressure...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7682
... Abstract Granular porous material is idealized as an elastic-plastic material, where macroscopic failure occurs at a critical stress by localized dilatant shear at low effective pressure and compactional cataclastic flow at high effective pressure. Yielding and accumulation of microscopic...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-427
... complex reservoir flow in porous media Reservoir Characterization Upstream Oil & Gas volumetric strain experiment nominally dry sample Fluid Dynamics strength effective pressure water-saturated sample mechanism porosity reservoir geomechanics carbonate reservoir transition...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-195
... oil sand shear velocity velocity measurement Upstream Oil & Gas effective pressure MPa low temperature wave velocity porosity shear modulus Reservoir Characterization viscosity experimental result transducer unconsolidated sandstone reservoir moduli s-wave velocity heavy oil...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-205
... reservoir geomechanics triaxial loading St Peter quartz sand Upstream Oil & Gas LABORATORY study experiment structural geology mechanism effective pressure envelope quartz sand hydrothermal deformation deformation Reservoir Characterization Chester strength sensitivity...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1122
... volumetric expansion of the rock and fluids can become the dominant mechanism. reservoir geomechanics Reservoir Characterization Upstream Oil & Gas compressibility compaction pore compressibility pressure depletion diatomite Monterey Formation effective pressure mean effective stress...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0677
.... Fluid Dynamics variation Abstr exponentially flow in porous media thermally thermal cycle temperature Upstream Oil & Gas Geophy pore pressure reservoir porosity effective porosity transport property logarithm permeability maximum thermal cycle temperature effective pressure MPa...
Proceedings Papers

Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0889
... Reservoir Characterization Mean stress Carroll numerical model equation reservoir geomechanics effective pressure assumption gas gun experiment liquifaction limestone sample experiment Upstream Oil & Gas limestone stress wave pore water pressure shear strength experimental...
Proceedings Papers

Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0653
... accomplished by an increase in confining pressure since inelastic deformation by homogeneously distributed crystal plasticity can occur at room temperature (e.g. Fredrich et al. 1989). In low porosity silicate rocks at effective pressures accessible in the laboratory, elevated temperatures are required to...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0757
... ABSTRACT ABSTRACT: The response of shale to indentation and triaxial testing under a range of total and effective pressures, at low and high displacement rates, has been examined. At low rates, effective pressure controls both processes, but at high rates, indentation is controlled by...
Proceedings Papers

Paper presented at the The 27th U.S. Symposium on Rock Mechanics (USRMS), June 23–25, 1986
Paper Number: ARMA-86-0741
... coalbed methane aperture effective pressure hydraulic fracturing Upstream Oil & Gas viscosity geometry application coal seam gas fracture aperture stimulation treatment kPa foam fracture coal bed methane complex reservoir calculation pressure distribution Injection Rate...
Proceedings Papers

Paper presented at the The 25th U.S. Symposium on Rock Mechanics (USRMS), June 25–27, 1984
Paper Number: ARMA-84-0312
... an effective pressure of 100 HPa. The strength of the gouge decreased with increasing pore pressure to 50 HPa and then was nearly constant between 50 and 125 HPa. The samples at 50-125 NPa pore pressure slid stably, whereas those at 3-25 HPa pore pressure showed stick-slip behavior. Lengthening the...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-279
... Upstream Oil & Gas effective pressure dry specimen microfracture reservoir geomechanics Friedman deformation mechanism wet specimen Reservoir Characterization van der molen specimen pe 50 strength partial melting grain boundary granodiorite MPa texture ABSTRACT...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-769
.... Test results both of field and laboratory were expressed as the relation of flow versus effective pressure. A brief description of these tests and the analysis and conclusions follow. LABORATORY TESTS A simple device similar to a soil permeameter, was used to study flow characteristics and flow...
Proceedings Papers

Paper presented at the The 22nd U.S. Symposium on Rock Mechanics (USRMS), June 29–July 2, 1981
Paper Number: ARMA-81-0073
...EFFECTS OF WATER-SATURATION ON STRENGTH AND DUCTILITY OF THREE IGNEOUS ROCKS AT EFFECTIVE PRESSURES TO 50 MPA AND TEMPERATURES TO PARTIAL MELTING S. J. Bauer, M. Friedman, and J. Handin Center for Tectonophysics Texas A&M University College Station, TX 77843 INTRODUCTION Energy extraction from the...
Proceedings Papers

Paper presented at the The 22nd U.S. Symposium on Rock Mechanics (USRMS), June 29–July 2, 1981
Paper Number: ARMA-81-0105
...PHYSICAL EFFECTS IN ROCK UNDER NEGATIVE EFFECTIVE PRESSURES: SOUND SPEEDS AND HYDRAULIC D1FFUSIVITY T. J. Shankland and P.M. Halleck Geophysics Group Los Alamos National Laboratory Los Alamos, New Mexico, 87545 New engineering techniques such as com- pressed air or pumped hydro energy storage and...
Proceedings Papers

Paper presented at the The 17th U.S. Symposium on Rock Mechanics (USRMS), August 25–27, 1976
Paper Number: ARMA-76-0119
... deformation effective pressure expression experimental data permeability ABSTRACT ABSTRACT Theoretical variations of porosity and permeability with pressure and the variation of failure strength with porosity of porous rocks have been determined using phenomenological models based on the Hertz...

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