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Keywords: stress measurement
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Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-459
... Abstract. Hydraulic fracturing is the most dominant method of in-situ stress measurement at great depths. It is based on the fundamental concept that the extension fluid pressure is relatively constant inside the hydraulic fracture and slightly greater than the least in-situ principal stress...
Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-514
... requirement rock mass stress measurement repository in-situ stress construction tunnel ARMA/NARMS 04-514 Quantifying in-situ stress and its role in repository design Rolf Christiansson Swedish Nuclear Fuel and Waste Management Co., Stockholm, Sweden C. Derek Martin Dept. Civil & Environmental...
Proceedings Papers

Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-568
... geomechanics flow in porous media Upstream Oil & Gas Fluid Dynamics reservoir space depletion kozeny-carman relationship preconsolidation pressure experiment unconsolidated reservoir sand compaction porosity reduction permeability loss stress measurement permeability change laboratory...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0881
... deformation MPa borehole wall borehole pressurization stress measurement packer cubical rock specimen circumferential strain transducer deformation Pacific Rocks 2000, Girard,Liebman, Breeds & Doe (eds)O2000 Balkema, Rofferdam,ISBN 90 5809 1554 Laboratory verification of a new dilatrnetertool...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-1113
... ABSTRACT ABSTRACT: AE (Acoustic emissions) were monitored during in-situ hydraulic fracturing stress measurements using a borehole sonde. At a monitoring point, the time interval between the peak pressure and the start of AE occurrence became longer with repetition of the reopening procedure...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-0885
... determination stress measurement Orebody cored rock principal stress AE activity stress level Pacific Rocks2000, Girard,Liebman,Breeds & Doe (eds)O 2000 Balkema,Rotterdam, ISBN 90 5809 1554 Stress measurements from cored rock. M.Seto National Institute for Resources and Environment,Japan E.Villaescusa...
Proceedings Papers

Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-1105
..., situations exist where the near wellbore state of stress dominates the pressure response. This result has strong consequences for stress measurement and interpretation. This work has application not only to stress measurement, but also to wellbore stability and hydraulic fracturing. 1 INTRODUCTION...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0071
... pore pressure variation shale sandstone basin horizontal stress magnitude stress measurement stress variation interbasin stress variation stratigraphic position fracture Appalachian Basin dependence Magnitude plumb sedimentary rock lithology Rock Mechanics, Nelson & Laubach (ads) ©...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0385
... ABSTRACT ABSTRACT: The RPR method for the doorstopper is a new concept in stress measurement interpretation models, as it allows to estimate an extra stress component by using the strain recovery curve geometry. This paper explains the principle on which the RPR method is based and reports...
Proceedings Papers

Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0377
... of the site has been determined by stress measurements at a number of points by means of the conical-ended borehole technique. Following the measurements of initial stress, a tunnel with a cross section of 4m-high and 5m-wide was excavated in the rock mass. The stress changes have been measured at many...

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