Guideline to Core and Sample Handling at GEUS

These GEUS guidelines on core handling, preservation, transport, and storage are pre-pared in accordance with the Executive Order on Submission of Samples and Other Information about the Danish Subsoil and the Guidelines for Drilling and Well Opera-tions Onshore Denmark (2024) issued by the Danish Energy Agency (DEA).
These guidelines refer to the Danish Subsoil Act (Consolidated Act No. 1461 of 29 November 2023) with reference to the § 34 Executive Order (Executive Order No. 543 of 22 May 2025).
Pursuant to the Subsoil Act and associated executive orders, license holders are re-quired to submit physical samples and related information obtained during subsurface activities to the Danish Energy Agency and the Geological Survey of Denmark and Greenland (GEUS). GEUS is responsible for the long-term storage, documentation, and management of physical samples in support of national subsurface knowledge and future use.