Objectives
- Conduct a detailed review of entire well stock
- Establish recommendations for field decommissioning strategy
- Develop operational sequence and time and cost estimation
Method
- Methodical review of available data and gap analysis
- Developed traffic light complexity assessment per abandonment phase for each well
- Engaged with established vendors and new technologies
- Established and risk-assessed several time-saving opportunities
Challenges
- Vast number (67) wells to assess
- Data gaps identified in information available
- Forecasting pricing for 2027 operations
Outcomes
- Detailed risk and opportunities matrix established
- Developed optimised operational steps for field abandonment
- Detailed assessment of the technical issues and defects
- Developed risk assessed and costed abandonment design options
- Defined level 2 costs for full P&A verifying ARO estimates
- Recommendations for further work in a comprehensive document and partner presentations