A Hydraulic Stress Measurement System for Investigations at Depth in Slim Boreholes

Maria V S Ask1, Daniel Ask1,2, Francois H Cornet3, Tommy Nilsson1, Miloud Talib4 and Jan Sundberg5, (1)Luleå University of Technology, Luleå, Sweden, (2)FracSinus Rock Stress Measurements AB, Luleå, Sweden, (3)IPG-Strasbourg, Strasbourg Cedex, France, (4)University of Strasbourg, Strasbourg Cedex, France, (5)Geosigma AB, Uppsala, Sweden
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