Element 20×Subsurface
Subsurface in Audit & Assurance
Audit, assurance, management review and intervention
Example documents, by tier
Process, procedure, work instruction 2
- Subsurface Technical Assurance ProcedureIn 1 of 3 operator registersCompany-wideAlso in IOGP 510 · 10 Assurance, Review and ImprovementNot process safetyNot safety case critical
- Subsurface Evaluation ReportsIn 1 of 3 operator registersCompany-wideAlso in IOGP 510 · 10 Assurance, Review and ImprovementNot process safetyNot safety case critical