Application of noble gas signatures in monitoring schemes for CO2 storage (ICO2P)
In the ICO2P (read: isotope) project the main objective is to investigate whether measurement of noble gases and CO2 by use of a mobile mass-spectrometer is a suitable method for geochemical and quantitative monitoring in long-term, safe storage of CO2.
About the project
The ICO2P-project is a feasibility study appointed by CLIMIT and will answer whether measurement of noble gases and CO2 by use of a mobile mass spectrometer is suitable as a geochemical and quantitative monitoring method in long-term, safe storage of CO2 on the Norwegian continental shelf.
The “Mini-Ruedi”-instrument is developed by researchers at Eawag [1, 2]. It is unique in its ability to measure low concentrations of noble gases (He, Ne, Kr, Xe, Ar), as well as CH4, CO2 and N2 on-site and semi-continuously. This is a significant step forward compared to analysing noble gas isotopes in single samples, which is a method that has been tested (to a limited extent, but with success) at small-scale CO2 storage facilities, at field analogues and in connection with “Enhanced Oil Recovery”-projects. In the first (current) phase of this study we are analyzing the noble gas composition of samples from producing gas fields, gaining knowledge of geochemical and isotopic signatures. The next phase is to monitor live stream gas production and/or CO2 -injection, by performing continuous gas analysis with the Mini Ruedi-instrument . References, see below.
The ICO2P-project is funded by CLIMIT-demo under grant number 616220. The work is also partially funded by the SUCCES FME research center/Dept of Gesociences under grant 193825/S60 from the Research Council of Norway. Statoil ASA is acknowledged for providing samples.The project period is scheduled to run from Nov. 2016 to Sept. 2017.
ICO2P is a joint study between the Department of Geosciences at UiO (Anja Sundal and Per Aagard) and the research institution Eawag - Swiss Federal Institute for Aquatic Science and Technology (Matthias Brennwald, Uli Weber and Rolf Kipfer). Statoil ASA is involved as discussion partner (Philip Ringrose).
 Brennwald, M. S., Schmidt, M., Oser J. & Kipfer, R. (2016) A portable and autonomous mass spectrometric system for on-site environmental gas analysis. Environ. Sci. Technol. 50(24), 13455-13463.
 Berndt, C., Hensen, C., Mortera-Gutierrez, C., Sarkar, S.,& Muff, S. (2016). Rifting under steam—How rift magmatism triggers methane venting from sedimentary basins. Geology, 44(9), 767-770.