Development of a reserve reconciliation tool for the Hengelo Brine Field

Reserve reconciliation is widely applied in the petroleum and mining industry. By updating the reserves throughout the operation, the remaining reserves can be better quantified and the extraction scheduling optimized. The goal of this study is to develop a reserve reconciliation tool for the Hengelo Brine Field, operated by AkzoNobel Industrial...

Geomechanical modelling and subsidence prediction of salt deposits for solution mining

Geomechanical properties of a backfill material suitable for stabilising salt caverns in Twente

Potentially unstable salt caverns of AkzoNobel need to be stabilised with a suitable backfill material in order to prevent surface subsidence. These caverns are currently filled with Carbonate and Gypsum slurry, a residual product of the brine purification process, but a new backfill material is being developed for stabilisation purposes. At the...

Quantifying Seismic Time-Lapse Effects of Solution Salt Mining - A Feasibility Study

In the northern part of the Netherlands the (magnesium containing) salt minerals carnallite and bischofite are extracted using solution mining methods, such as squeeze mining. As a consequence subsidence up to the surface is taking place, potentially causing harm to the environment. Given this fact the local government allows extraction of this...