Decommissioning Insight 2016 - Oil & Gas UK

DECOMMISSIONING INSIGHT REPORT 2016

Contents

1. 2. 3. 4.

Foreword

4 6

Executive Summary

Introduction

10

Decommissioning Expenditure and Activity on the UK Continental Shelf in 2015 11 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

5.

6.

Forecast Decommissioning Expenditure – 2016 to 2025

47

6.1

Forecast Expenditure on the UK Continental Shelf Key Expenditure Metrics on the Norwegian Continental Shelf

47

6.2

57 59 59

7.

Forecast Unit Costs – 2016 to 2025

7.1 7.2

Well Plugging and Abandonment

Facilities Making Safe (UK Continental Shelf Only)

63

7.3

Topside and Substructure Removal (UK Continental Shelf Only)

64 67 69

8. 9.

Appendices

Glossary

3