Core preservation and storage

The preservation of the initial rock properties is of fundamental importance for the reliable determination of rock physical and rock mechanical characteristic values in the laboratory. Therefore, a suitable sample treatment immediately from the time of core removal is strictly necessary. For core material containing a significant amount of clay (such as shale), the focus is on adequate protection from drying out to prevent the drill core from irreversible alteration. The Gesteinslabor offers all necessary measures for save core reception and handling to preserve the pre-coring conditions and initial rock properties.

The Gesteinslabor offers a full service of caprock preservation beginning with the take-over of the cores at the drill site, via vacuum-packing of the cores in airtight, plastic coated aluminum bags and within nitrogen filled containers designed for core transport (so-called liners) to computer based documentation and long time storage of the clay(stone) and shale cores.

Additionally we offer the reception, documentation and storage of less delicate drill core material, such as sand- and limestone.

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News

In September 2019 the Swiss National Cooperative for the Disposal of Radioactive Waste (NAGRA) commisioned Gesteinslabor with UCS, Brazilian and triaxial tests on neighbouring rocks of the Opalinus Clay - the rock which will host Switzerland's future facilities for nuclear waste disposal.

Gesteinslabor receives funding from BMWi for the development of a new test rig. With this funding, our company will open up a new business field in renewable energies by implementing an innovative technology to determine the capillary threshold pressure with hydrogen on cap rock of underground gas storage facilities.