OGUK Decom Insight Report 2021

The WBS shows all elements of a typical decommissioning project and forms the basis for calculating decommissioning expenditure during different stages of the process.

Work Breakdown Structures (WBS)

Netherlands Oil and Gas Exploration and Production Association

NOGEPA

WDON

Well Decommissioning Operators Network

NNS

Northern North Sea

WG4

Work Group 4

NZTC

Net Zero Technology Centre

WoS

West of Shetland

OGA

Oil & Gas Authority

WDON

Well Decommissioning Operators Network

Offshore Petroleum Regulator for Environment and Decommissioning

OPRED

WG4

Work Group 4

OSPAR is the mechanism by which 15 governments & the EU cooperate to protect the marine environment of the North- East Atlantic.

UKCS

UK Continental Shelf

OSPAR

Post-CoP OPEX

Operational expenditure after production has ceased.

SNS

Southern North Sea

IS

Irish Sea

The facilities which sit on top of an installation, typically including drilling, processing and living quarters.

Topsides

DECOMMISSIONING INSIGHT 2021

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