The GFZ has conducted a CO2 (carbon dioxide) back production test at its pilot site in Ketzin/Havel in Brandenburg from October 15th to October 27th 2015 in order to scientifically research the geological storage of the greenhouse gas CO2.
All the interesting facts about the scientific back production test at the Ketzin pilot site are summarized in the chapter "Miscellaneous"/Network" of the GFZ Journal "System Erde" (System Earth) on page 71.