Understand the purpose and long-term consequences of well abandonment Explain well abandonment within the full well lifecycle Interpret key regulatory expectations, including NORSOK D-010, in practical terms Apply well barrier philosophy, including barrier independence and acceptance criteria Assess subsurface conditions, well architecture, and data uncertainty Identify typical abandonment risks, including crossflow and long-term leakage Select appropriate barrier systems, materials, and abandonment methods Understand the role of cement, TOC, and mechanical barriers in long-term isolation Recognize major cost drivers and basic principles of abandonment cost estimation Understand how design decisions influence cost, risk, and execution complexity Appreciate the multidisciplinary nature of well abandonment projects Apply good practices in execution planning, optimization, and risk reduction Learn from industry case studies and real-world abandonment failures