Browsing Norwegian Geotechnical Institute (NGI) Digital Archive by Author "Johnsen, Øistein"

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Evaluation of reservoir and cap-rock integrity for the Longyearbyen CO2 storage pilot based on laboratory experiments and injection tests

Bohloli, Bahman; Skurtveit, Elin; Grande, Lars; Titlestad, Geir Ove; Børresen, Marion; Johnsen, Øistein; Braathen, Alvar (Journal article, 2014)

Mechanical laboratory testing and interpretation of injection tests of the Longyearbyen CO2 storage pilot are used to evaluate geomechanical conditions for safe CO2 storage. The laboratory testing program includes compressive ...
Influence of CO2 on rock physics properties in typical reservoir rock: A CO2 flooding experiment of brine saturated sandstone in a CT-scanner

Alemu, Binyam Lema; Aker, Eyvind; Soldal, Magnus; Johnsen, Øistein; Aagaard, Per (Journal article, 2011)

Laboratory core flooding experiment was run to investigate the joint use of electrical resistivity, ultrasonic velocities and 3D images of fluid distribution to improve current understanding of CO2 and brine behaviour ...