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Keywords: temperature gradient
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2005
..., and possibly the 7700 Levels were probably major contributors to the heat exchange process. Reservoir Characterization chemistry temperature gradient Upstream Oil & Gas sanford underground research facility electrical conductivity water composition borehole metals & mining water...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0474
... linked numerical simulators and analytical solutions to connect the evolving fluid properties and temperature with the changes in the stress field. 1. INTRODUCTION hydraulic fracturing temperature gradient reservoir geomechanics tensile fracture Reservoir Characterization geothermal...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-517
... to the classical approach based on normal compaction trends can be used, one of them being numerical modeling. Upstream Oil & Gas temperature gradient reservoir geomechanics pore pressure Artificial Intelligence trajectory compaction overpressure porosity chemical compaction History...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-538
... Extraction conductivity Reservoir Characterization geothermal reservoir fractured wellbore Geothermal Resource gradient Magnitude hydraulic fracturing temperature gradient configuration fracture equation proppant Geothermal System wellbore thermal power thermal conductivity 1 1...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-387
...% of the initial applied load, and satisfactory coupling of the FROSTS to the rock mass. Initial data from two FROSTS installed on the 4100 -level of the Sanford Laboratory at Homestake show strain induced by the expansive grout curing during installation and a clear temperature gradient with depth into the rock...
Proceedings Papers

Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0613
... that have been used. Even though many methods have been developed and much data exists, there is need for additional work. Each method has specific attributes. A good design must consider a number of factors; magnitude of the thermal conductivity being measured, appropriate temperature gradient within...
Proceedings Papers

Paper presented at the The 27th U.S. Symposium on Rock Mechanics (USRMS), June 23–25, 1986
Paper Number: ARMA-86-0782
... ABSTRACT : When underground openings are excavated in rock mass for storage of Liquefied Natural Gas, hereinafter referred to as L.N.G., as its temperature is -162°C, steep temperature gradients and thermal stress occur around the openings. That is, the plastic zone and cracks around...
Proceedings Papers

Paper presented at the The 24th U.S. Symposium on Rock Mechanics (USRMS), June 20–23, 1983
Paper Number: ARMA-83-0819
... of rocks reacting within a temperature gradient have applications in a number of fields. For example, hot rock/water interactions are important to studies of geothermal energy reservoirs (Charles and Bayhurst, 1983; Ellis and Mahon, 1964). Buried radioactive wastes will also produce a temperature gradient...
Proceedings Papers

Paper presented at the The 21st U.S. Symposium on Rock Mechanics (USRMS), May 27–30, 1980
Paper Number: ARMA-80-0192
... a retaining structure of frozen soil is to first determine the wall thickness based on the creep strength. Creep itself depends beside microscopic effects mainly on temperature gradient (up -40 °c near the pipes and perhaps -5 º C at the open shaft walls). The resistance of the frozen soil cylinder...
Proceedings Papers

Paper presented at the 20th U.S. Symposium on Rock Mechanics (USRMS), June 4–6, 1979
Paper Number: ARMA-79-0027
... apparatus similar poor conducting material production logging temperature gradient application apparatus acquisition thermal conductivity measurement equation A SIMPLE APPARATUS FOR THERIVlAL CONDUCTIVITY IVlEASUREIVlENTS OF ROCKS AND SIIVlILAR POOR CONDUCTIN6 I]ATERIALS by E. Ashworth and T...
Proceedings Papers

Paper presented at the 19th U.S. Symposium on Rock Mechanics (USRMS), May 1–3, 1978
Paper Number: ARMA-78-0327
... conditions for crack closure are expressed in terms of the applied stresses and temperature gradient. The stress intensity factors for the partially closed crack are also obtained in terms of these thermo-mechanical loads by modification of the McClinoeock and Walsh concept for crack closing. An expression...
Proceedings Papers

Paper presented at the The 17th U.S. Symposium on Rock Mechanics (USRMS), August 25–27, 1976
Paper Number: ARMA-76-0513
... seam and subjected to tectonic stress, overburden stress, internal pressure, and temperature gradient loading. NOMENCLATURE A = K/pc Thermal diffusivity E Elastic modulus K Thermal conductivity S Laplace transform variable T Time V Burn front velocity X Axial co-ordinate...
Proceedings Papers

Paper presented at the The 11th U.S. Symposium on Rock Mechanics (USRMS), June 16–19, 1969
Paper Number: ARMA-69-0415
.... In the other, they are regarded as leftover and locked in from some previous state at which higher pressures prevailed. These two sources may both operate and they generally cannot be distinguished easily in the field. There are other complicating sources of stress such as temperature gradients and chemical...

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