Report
Report - Montara investigation: Volume one
Report - Montara investigation: Volume one
- NOPSEMA
- Report
- Hydrocarbon ReleaseIncident InvestigationProcess SafetyStructural and Asset Integrity
- Barrier managementHydrocarbon releaseRegulation and legislationRisk managementWell integrity
- DrillingPressure testingWell abandonment
- Management of changeRisk assessmentWell-barrier testing
- Upstream oil and gas
- Offshore installation
Summary
Volume one of an expert witness investigation into the Montara hydrocarbon release sets out the appointment, factual timeline and assessment framework. It examines well construction and suspension, cement isolation, barrier requirements, regulatory comparators and risk-management methods, introducing WAiT integrity assessment and documenting limitations in the supplied records.
Classifications: Barrier management; safety barrier management.
Classifications: Hydrocarbon release; hydrocarbon leak; oil and gas release.
Classifications: Regulation and legislation; safety legislation; regulatory requirements.
Classifications: Risk management; risk evaluation.
Classifications: Well integrity; well life cycle integrity.
Classifications: Drilling; well drilling.
Classifications: Pressure testing; hydrostatic testing; pneumatic testing.
Classifications: Well abandonment; plug and abandonment; P&A.
Classifications: Management of change; MOC; change management.
Classifications: Risk assessment; hazard assessment.
Classifications: Well-barrier testing; well barrier verification.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
Summary
Examines the Montara uncontrolled hydrocarbon release, including well design, risk assessment, management systems and regulatory submissions.
Themes: hydrocarbon release, incident investigation, process safety, structural and asset integrity.