Oil and Gas Decommissioning | Decom North Sea


Environmental Appraisal Guidelines

This document represents the culmination of work that commenced in 2014 with the intent of providing guidance on environmental requirements for UKCS oil and gas decommissioning projects. Having established a cross-industry work-group, the initial approach was to develop Environmental Impact Assessment guidelines although this evolved to be a more encompassing project, addressing the fundamental requirements for environmental issues during decommissioning planning.

The project has been developed in close association with the Offshore Decommissioning Unit (ODU) of the Department for Business, Energy and Industrial Strategy (BEIS). This close association has resulted in the production of a guidance document that is aligned to the expectations of the Regulator. Since the ODU is currently reviewing and revising the decommissioning environmental guidelines, this document is dynamic and will be updated periodically to ensure alignment with current Regulator policy.

In producing this guidance document, Decom North Sea have produced what is intended to be a useful tool in the planning stage of decommissioning and in the preparation of a Decommissioning Plan. However, it should be emphasised that early engagement with the Regulator is encouraged and recommended. The Regulator (BEIS,ODU) is available for consultation and while this guidance document has been produced to align with Regulator policy, it does not take the place of the Regulator’s guidelines and should instead be viewed as complementary to BEIS guidelines.

The production of this document is viewed by Decom North Sea as being a positive contribution for its members and for the wider oil and gas industry. Sincere thanks go to all the original workgroup participants for their helpful contribution. Thanks are due to Ramboll, and specifically Nathan Swankie, the project manager, who has worked diligently with Decom North Sea to bring the project to this point and who has been the principal author of the work.

Please note, the Environmental Appraisal Guidelines is issued as part of a consultation process and is subject to change. If you have already purchased a copy, you will be sent an amended copy free of charge. 

Download the Report

  • Decom North Sea Members - Access to the Environmental Appraisal Guidelines Report is free as part of your membership of Decom North Sea. Please ensure that you are logged in to your member account on the Members' Portal to download this document.
  • Non-Members - the cost for non-members of Decom North Sea to download the document is £125 + VAT. Please click the below link to Paypal to purchase the report - which will include access to updated copies for 12 months from date of purchase. 


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