Element 08×Subsurface
Subsurface in Execution
Execution of Activities
What Subsurface owns here
This element holds subsurface execution — integrated team working, decision forums and real-time data interpretation in operations.
Example documents, by tier
Process, procedure, work instruction 3
- Petroleum Operations Notice ProcessIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 05 Communication with stakeholdersNot process safetyNot safety case critical
- Waiver Process Completion Work InstructionIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 12 Management of change and project managementNot process safetyNot safety case critical
- Well Testing ProcedureIn 1 of 3 operator registersAsset · addsAlso in EI PSM · 08 Operating manuals and proceduresAlso in Process Safety · Operating integrityNot safety case critical
Supporting documents 1
- Log Curve WorkflowIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 07 Documentation, records and knowledge managementNot process safetyNot 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 →
- Formation Evaluation Wireline Logging Best PracticeIn 1 of 3 operator registersCompany-wideAlso in EI PSM · 11 Standards and practicesNot process safetyNot safety case critical
Why these belong here
"Subsurface value is created through collaboration, not compliance."
What does not live here
- →The procedures the team follows — (Plans and Procedures)E07 Procedures
- →The competence of the team — (Organisation, Resources and Capability)E03 Organisation
- →The lessons captured from execution — (Monitoring, Reporting and Learning)E09 Monitoring