Characterisation of the Krechba CO2 storage site: critical elements controlling injection performance

1st September 2010

Topic(s): Carbon capture use and storage (CCUS), CO2 storage, Engineering and project delivery

This paper explores the reservoir features that have proven critical in controlling injection performance at the In Salah geologic carbon sequestration (GCS) project in Algeria. The paper is divided into the three main themes of characterisation: structural geology, fracturing, and pore space characterisation. The authors conclude that structural geological and rock mechanical aspects are most critical in the early injection phase. When considering medium to long term effects, characterisation of the pore space, combined with the dynamically created fracture permeability, becomes more important.


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