NA 032

DIN Standards Committee Gas Technology

Project

Gas infrastructure - Underground gas storage - Part 3: Functional recommendations for storage in solution-mined salt caverns

Abstract

This document covers the functional recommendations for design, construction, testing, commissioning, operation, maintenance and abandonment of underground gas storage (UGS) facilities in solution-mined salt caverns up to and including the wellhead. It specifies practices which are safe and environmentally acceptable. For necessary surface facilities for underground gas storage, EN 1918-5 applies. In this context "gas" is flammable gas: - which is in a gaseous state at a temperature of 15 °C and under a pressure of 0,1 MPa (The stored product is also named fluid); - which meets specific quality requirements in order to maintain underground storage integrity, performance, environmental compatibility and fulfils contractual requirements. This comprises: • Methane-rich gases: o CNG (Compressed Natural Gas) o Biomethane o Synthetic methane • Other hydrocarbon gases such as: o Ethylene o LPG (Liquified Petroleum Gas) • Hydrogen of various purities • Any mixtures of the gases above NOTE 1 Correspondingly this document may be considered where applicable for underground storage of any other fluid e.g. helium, carbon dioxide, compressed air, rDME (renewable Dimethylether) and hydrogen transport fluids (such as ammonia and LOHC) in salt caverns. This European Standard is not intended to be applied retrospectively to existing facilities. NOTE 2 Correspondingly, this document can be considered for major conversions in case of significant change of gas composition. This document specifies common basic principles for gas infrastructure. Users of this document are expected to be aware that there can exist more detailed national standards and/or codes of practice in the CEN member countries. This document is intended to be applied in association with these national standards and/or codes of practice setting out the above-mentioned basic principles. European Legislation/regulations and national legislation is obligatory for all member states. In the event of terms of additional requirements in legislation/regulation than in this document, CEN/TR 13737 (all parts) illustrates these terms. CEN/TR 13737 gives: - description of legislations/regulations applicable in a member state; - if appropriate, more restrictive national requirements; - a national contact point for the latest information.

Begin

2024-06-05

WI

00234103

Planned document number

prEN 1918-3 rev

Responsible national committee

NA 032-02-07 AA - Gas underground storage  

Responsible european committee

CEN/TC 234/WG 4 - Gas underground storage  

previous edition(s)

Gas infrastructure - Underground gas storage - Part 3: Functional recommendations for storage in solution-mined salt caverns
2016-03

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