CO₂ Capture and Sequestration (CCS) evolved as a main topic in the world-wide debate on how to stabilize the atmospheric CO₂ concentrations, thereby mitigating global climatic changes. It becomes more and more clear that, weather or not a link between climate changes and CO₂ emissions is recognized, the consensus is to limit and diminished these emissions. This can be done in two ways: burning less carbon-containing fuels or storing the resulting CO₂.
The CO₂ can be stored in geologic formations: oil and gas reservoirs, deep saline aquifers and underground coal layers which cannot be mined (too thin or too deep).

Depleted oil and gas reservoirs are considered to be the safest sinks as they proved their “hermetic” characteristic and, additionally, their geology and reservoir characterization is well known. Oil fields offer also the opportunity for Enhanced Oil Recovery (EOR) which helps offset the cost of storage operations.

However, important questions are raised in terms of possible environmental externalities and safety risks associated with the storage of CO₂. This risk assessment and moreover the continuous monitoring is the main subjects of various research programs world-wide. Vibrometric, as a pioneer in the field, gained and proved its valuable expertise by, apart many think-tanks and conferences, being one of the main technological partners in the European Union project, CO₂ SINK, the largest undertaken project in the field, so far. The CO₂ SINK integrated project, supported under the FP/6 framework by the EU commission, aims to develop the basis for this storage technique by injecting CO₂ into a saline aquifer near the town of Ketzin, west of Berlin. . The project involves intensive monitoring of the injected CO₂ using a broad range of geophysical and geochemical techniques, the development and benchmarking of numerical models, and the definition of risk-assessment strategies.