Publications, Reports & Research
Our publications, reports and research library hosts over 500 specialist reports and research papers on all topics associated with CCS.
Wellbore integrity at the Krechba Carbon Storage Site, In Salah, Algeria: 2. Reactive transport modeling of geochemical interactions near the cement – formation interface
1st September 2010
Organisation(s): Lawrence Livermore National Laboratory (LLNL)
This paper describes a reactive transport modeling approach to assess key geochemical reactions between wellbore cement, formation mineralogy, and injected supercritical CO2 at the Krechba natural gas field at In Salah, Algeria. The findings informed a reactive transport model which considered advective transport of CO2 along the wellbore-formation interface and diffusive transport of CO2 and brine constituents into juxtaposed wellbore cement.
This paper presents information by the Joint Industry Project established to monitor CO2 storage at the In Salah geologic carbon sequestration (GCS) project in Algeria. This study describes detailed simulations of the hydromechanical response in the vicinity of the KB-502 CO2 injector in an attempt to explain why the morphology of the observed surface deformation differed from that above the other injectors at the field.