Oil & Gas UK produces a wide range of literature relating to different aspects of decommissioning including reports and guidelines.

All are free to employees of Oil & Gas UK member companies while a fee for some is payable by non-members.


Oil & Gas UK Decommissioning Insight 



Adoption of Novel Solutions Report 2015 

Commissioned by Oil & Gas UK and Decom North Sea, and produced by Arup, this report seeks to identify the barriers preventing adoption of novel solutions in the oil and gas offshore decommissioning sector. It sets out a process for the commercialisation of novel solutions to accelerate cost reduction in decommissioning and identifies issues specific to each phase with a view to encouraging more rapid innovation in the market.


Decommissioning of Pipelines in the North Sea Region 2013 

This report describes the pipeline inventory in the North Sea, decommissioning experience so far and the technical capabilities and challenges that remain within pipeline decommissioning.


The Management of Marine Growth During Decommissioning 2013 

This report focuses on marine growth, the term used to describe the opportunistic marine organisms that adhere to oil and gas structures submerged in the North Sea. The report contains three separate studies: the management of marine growth; the causes and consequences of odours from marine organisms; the review of the management of marine growth during decommissioning comparative assessment.


Decommissioning of Steel Piled Jackets in the North Sea region 2017

This report aims to provide an overview of the decommissioning of Steel Piled Jackets (SPJs) in the North Sea region in accordance with the regulatory

regime. It draws on direct industry practice from decommissioning projects carried out since 2008.


Long Term Degradation of Offshore Structures and Pipelines Issue 1 April 2013

This technical report examines the corrosion processes and rates for offshore structures and pipelines. This includes a review of literature covering corrosion of steel in seawater and seabed sediments, such as reports on laboratory testing, seawater exposure trials and information gained from examination of shipwrecks.




Guidelines for Well Decommissioning 2018

These guidelines replace an earlier 2015 edition -Well Plugging & Abandonment Guidelines. They provide the framework for the decision-making process that should accompany any well decommissioning activity. They support well-operators through outlining what needs to be considered during each phase of decommissioning a well and provide minimum criteria to ensure full and adequate isolation of formation fluids both within the well bore and from the surface to the seabed.


Guidelines on Well Abandonment Cost Estimation 2015

This document provides a common approach to estimating field-wide well decommissioning costs.


Guidelines for Comparative Assessment in Decommissioning Programmes 2015 

This document provides recommendations on the process to be used in completion and reporting of a comparative assessment, promoting continual improvement and application of lessons learned.


Guidelines on Late-Life / Decommissioning Inspection and Maintenance 2015 

These guidelines provide operators with a new framework for the effective management of late-life and decommissioning inspection and maintenance operations. There are instructions on how to use the framework and a case study from the operator of a

Normally Unmanned Installation. The framework is designed to be easily modified to suit each operator’s specific systems.


Guidelines on Qualification of Materials for the Abandonment of Wells 2015 

This document comprises the current industry expertise on qualifying materials for suspension and well abandonment. The industry is developing and proposing new barrier materials including polymers, metals, grouts, rock formations and composites as alternative options to cement to safely seal and permanently abandon wells no longer used for exploration or development. These guidelines assist well-operators to comply with the regulations for the UK Off shore Installations and Wells (Design and Construction, etc).


Guidelines on Decommissioning Cost Estimation 2013 

These guidelines help with the calculation of decommissioning cost estimates for off shore oil and gas facilities, which are required throughout the development life-cycle. They cover initial field economics, calculation of the decommissioning provision / asset retirement obligation (ARO) during the field life, decommissioning security agreements towards the end of field life, planning the cessation of production and the preparation of the decommissioning plan.


Guidelines on Stakeholder Engagement during Decommissioning Activities 2013

Decommissioning is expected to attract continued interest from parties both within and outside the oil and gas sector, particularly with regard to issues of environmental, social and economic impact. This document is a central reference for operators to promote consistent good practice in stakeholder engagement across the oil and gas sector.


Guidance on Conditioning / Cleaning Prior to Decommissioning / Dismantling 2008

This document outlines what is required when decommissioning topside and pipeline facilities.


Model Agreement

Decommissioning Security Agreement (DSA) October 2015 

This is the current edition of the industry model agreement (executed as a deed) to provide security for decommissioning liabilities of oil and gas field developments. Two versions are available; for PRTpaying fields and for non PRT-paying fields. They are identical in terms but the PRT version contains some additional PRT-specific provisions.