Good Practice Guide to Rig Unit Selection for Platform Well Decommissioning

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Good Practice Guide to Rig / Unit Selection for Platform Well Decommissioning


Offshore Energies UK Right Scoping Guidelines were produced by the OEUK Wells Forum in 2018. Since then, Well Operators, regulators and other stakeholders have collaborated in many workshops to review each other’s well design challenges and to select the optimal design for those wells. At the request of the Wells Task Force, the Right Scoping Group and the Decommissioning Steering Group agreed to use the right scoping approach to investigate rig / unit selection for platform well decommissioning.

A cross-industry workshop was held on 27th June 2023 with representatives from Well Operators, Regulators, industry groups and the service sector. The topic was split into four themes for discussion by separate groups. The themes were: Rig Condition, Well Stock, Options for other Units and Emerging Technologies. The aim of this brief document is to record good practices identified by the discussion groups. Many of these themes apply to all wells, but are considered particularly important for plugging and abandoning platform wells.

Thank you to our collaborators

Many thanks to the NSTA Wells Task Force Co-chairs: Brenda Wyllie NSTA & Dr. Doris F. Reiter BP for the support plus Ian Ferguson Shell UK & Right Scoping Group Chair for workshop conception. The following organisations assisted the consolidation of the Good Practice Guide to Rig / Unit Selection for Platform Well Decommissioning.

BP | Harbour Energy | NSTA | NZTC | OEUK | Petrofac | Shell UK | BP | CNR | Eni | Enquest | Harbour | Hogarth Energy | Ithaca | Repsol | Spirit Energy | Taqa | Technical Writer | Well-Safe Solutions

For further information or to join the Wells Forum groups or NSTA Wells Task Force Sub-groups,  please contact Keith Wise

This publication can be downloaded free of charge.


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