NEN EN 1918-3 : 2016

Foreword
Introduction
1 Scope
2 Definitions
3 General
3.1 Long-term containment of stored products
3.2 Environmental conservation
3.3 Safety
3.4 Monitoring
4 Design
4.1 Design principles
4.2 Geological exploration
4.3 Cavities
4.4 Wells
4.5 Monitoring systems
4.6 Neighbouring subsurface activities
4.7 Solution-mining
5 Construction
5.1 Wells
5.2 Completions
5.3 Solution-mining
5.4 First gas fill (CNG)
5.5 First gas fill (LPG)
6 Testing and commissioning
7 Operation, monitoring and maintenance
7.1 Operation principles
7.2 Cavity monitoring and maintenance

Defines 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.