Project: Modelling the LASGIT Experiment, Sweden

Client: Nuclear Waste Management Organization

The LASGIT (Large Scale Gas Injection Test) project is a full-scale test of gas transport in a bentonite buffer surrounding a full-scale nuclear waste canister at the Äspö Hard Rock Laboratory in Sweden. The purpose of the LASGIT experiment is to improve the understanding of full-scale gas migration through the bentonite buffer under repository conditions and to validate different modelling approaches which may be used in future performance assessments. The current gas-transport modelling approach uses TOUGH2, a multi-phase flow and transport code, with modifications to the code to simulate potential gas transport mechanisms, mainly micro- and macro- fracturing of the bentonite, by allowing pressure-induced changes to the bentonite permeability and capillary pressure.

Intera News & Updates
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22/03/2010
Intera wins 3-year contract for gas transport modelling of the Lasgit Experiment (Large Scale Gas Injection Test).

12/02/2010
3 years and 5000 metres later: drilling at DGR is now complete.

25/02/2010
Dr. Robert Walsh provides mView and TOUGH2 training to Nippon-Koei Research Division in Tsukuba-shi, Japan.

28/01/2010
New Website released.