The abandonment of one observation well (Ktzi 202) started at the Ketzin pilot site this week by the order of GFZ and will be complemented by well logging.
This is another important step of the research project to study the geological storage of CO2: the scientifically accompanied and monitored well abandonment.
So far, there are more than five years of experience of CO2 injection and safe storage operation available at Ketzin.
After the CO2 injection was completed end of August 2013, the well abandonment is now performed for a final assessment of the technology.
The abandonment of the other research wells will be done over the next few years in order to complete the entire life cycle of the CO2 storage at Ketzin - from construction to site closure.