scope:

General

This RP presents principles and practices for:

- establishing site-specific environmental risk acceptance criteria

- confirming compliance with safety criteria for the field/installation

- determining the functional requirements for permanent well barrier materials

- differentiating the environmental risk exposure relative to hydrocarbon composition.

Exclusions

This RP is not applicable for:

- onshore wells

- suspended wells

- temporarily abandoned wells.

Application

This RP may be applied as a basis for risk-based decision making. It can be applied for:

- evaluation of well abandonment designs

- well abandonment design optimisation in relation to cost and material

- evaluation of environmental performance for P&A wells

- independent assessment and verification

- guidance and quality assurance of P&A planning

- stakeholder communication.

The requirements in this RP are intended to be subordinate to local regulations.