Element 05×Wells
Wells in Risk
Risk Assessment and Control
What Wells owns here
This element holds the core of wells safety — risk assessment, barrier management, well control risk, SIMOPS and abnormal-situation management.
Example documents, by tier
Process, procedure, work instruction 4
- Drilling and Completions Management of Change ProcessIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 12 Management of change and project managementAlso in Process Safety · Design integrityNot safety case critical
- Pressure Control Manual for Drilling, Completions and InterventionIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 08 Operating manuals and proceduresAlso in Process Safety · Operating integrityNot safety case critical
- Well Integrity Risk Level Evaluation ProcessIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 06 Hazard identification and risk assessmentAlso in Process Safety · Asset integrityNot safety case critical
- Challenging Wells Risk TreatmentIn 1 of 3 operator registersAsset · addsAlso in EI PSM · 06 Hazard identification and risk assessmentAlso in Process Safety · Design integrityNot safety case critical
Guidance · outside the system 1
Informative, not a “shall”. These belong in the knowledge base, not the management system. How this works →
- Well Examination Scheme GuidanceIn 3 of 3 operator registersCompany-wideAlso in EI PSM · 20 Audit, assurance, management review and interventionAlso in Process Safety · Asset integrityNot safety case critical
Why these belong here
"This is the core of wells safety."
What does not live here
- →The standards setting acceptance thresholds — (Policies and Standards)E02 Policies
- →The procedures executing the controls — (Plans and Procedures)E07 Procedures
- →The independent verification of barrier health — (Assurance, Review and Improvement)E10 Assurance