2. A Major trends in UGS Development
Objectives: The works should address major trends/statistics in UGS developments, including new project or case studies.
Key words: UGS development – New UGS

2. B New technologies for UGS
Objectives: Topics can include issues related to IT, state-of-the-art technologies, data mining and modelling methods, new designs and smart UGS.
Key words: New technologies – IT – data mining – Smart UGS

2. C UGS technologies and applications for CO2 sequestration
Objectives: Papers must deal with topics related to methodology, monitoring, and modelling. Also current or potential projects for storing of CO2 and the utilisation of CO2 as a part of cushion gas. Potentials and risks.
Key words: CO2 sequestration – CO2 storage – Cushion gas

2. D Main drivers and changing role of UGS
Objectives: Works can include issues related to regulation and legal aspects, environment, and safety, as well as the economic drivers behind UGS.
Key words: Regulation – Environment – Safety - Economics