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Contents
1. Foreword 4 2. Executive Summary 6 3. Introduction 10 4. Decommissioning Expenditure and Activity on the UK Continental Shelf in 2015 11 5. Decommissioning Activity Forecast – 2016 to 2025 12 5.1 Well Plugging and Abandonment 12 5.2 Facilities and Pipelines Making Safe and Topside Preparation 20 5.3 Topside and Substructure Removal 27 5.4 Subsea Infrastructure Decommissioning 36 5.5 Pipeline Decommissioning 38 5.6 Onshore Recycling and Final Disposal 42 5.7 Site Remediation and Monitoring 46 6. Forecast Decommissioning Expenditure – 2016 to 2025 47 6.1 Forecast Expenditure on the UK Continental Shelf 47 6.2 Key Expenditure Metrics on the Norwegian Continental Shelf 57 7. Forecast Unit Costs – 2016 to 2025 59 7.1 Well Plugging and Abandonment 59 7.2 Facilities Making Safe (UK Continental Shelf Only) 63 7.3 Topside and Substructure Removal (UK Continental Shelf Only) 64 8. Appendices 67 9. Glossary 69DECOMMISSIONING INSIGHT REPORT
2016