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This report documents the purpose, scope, estimating methodology, inputs, analysis, assurance and outputs of the Authority’s 2017 United Kingdom Continental Shelf (UKCS) Decommissioning Cost Estimate

This page contains information regarding the Annual Consents Exercise (“ACE”) in the following sections: 

The NSTA grants licences that confer exclusive rights to ‘search and bore for and get petroleum’.

The total cost of decommissioning remaining UK offshore oil and gas production, transportation and processing infrastructure has reduced by 17%, on a like-for-like basis, to £49bn compared with a 2017 base-line estimate of £59.7bn

This report provides comparison data which benchmarks a wide range of UKCS decommissioning activities

The total cost of decommissioning UK offshore oil and gas production, transportation and processing infrastructure has reduced by 19%, on a like-for-like basis, to £48bn compared with the 2017 base-line estimate of £59.7bn

Production efficiency (PE) has risen for a fourth consecutive year, in 2016 it reached 73%, driving increased production in the United Kingdom Continental Shelf (UKCS)

The purpose of this annual report is to provide an estimate of the UKCS’s remaining recoverable petroleum resources. The Authority estimates that there remains in the range 10 to 20 billion barrels or more of oil equivalent (boe), including discovered and undiscovered petroleum resources