Sökning: "wellbore stability"

Hittade 2 avhandlingar innehållade orden wellbore stability.

1. 1. Wellbore stability analysis based on a new true-triaxial failure criterion

   Författare :Adel Al-Ajmi; Robert Zimmerman; Bernt Aadnoy; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; failure criteria; Mogi failure criterion; intermediate principal stress; polyaxial test data; wellbore stability; Geoengineering and mining engineering; Geoteknik och gruvteknik;

   Sammanfattning : A main aspect of wellbore stability analysis is the selection of an appropriate rock failure criterion. The most commonly used criterion for brittle failure of rocks is the Mohr-Coulomb criterion. LÄS MER

3. 2. Residual and critical saturation in geological storage of CO2 : results from field studies, pore-network modelling and laboratory experiments

   Författare :Ramin Moghadasi; Auli Niemi; Philip Ringrose; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Geological CO2 storage; Residual trapping; Gas remobilization; Field experiment; Numerical modelling; Pore-network modelling; Pore-scale imaging;

   Sammanfattning : Geological storage of CO2 in deep saline aquifers is a promising technology in the combat to reduce the atmospheric emissions of CO2. A critical component in this solution is the estimation of aquifer’s in situ capability to store CO2. LÄS MER