Title Description

Context

Decommissioning costs and exposures have considerable impact throughout the lifecycle of a project and asset. They are of high significance due to their external scrutiny. Projects which consider decommissioning requirements and potential future changes to the operating climate are more likely to be prepared when decommissioning and restoration takes place. Being prepared for safe and efficient well abandonment starts in the concept phase.

Activity

Include requirements for decommissioning and well abandonment Subsurface Isolation Strategy (SIS) in the selected concept at Decision Gate 3 (DG3).

Purpose

To ensure that the future asset can be decommissioned safely, with the least impact to the environment and at the lowest cost.

Requirements from other Standards

None

Evidence recorded in

Concept Select Report

Accountability for meeting Control Intent

Front End Development Manager

Phase

Select