Report Contents

Executive Summary

Chapter Summary

1. Background
1.1 Jurisdiction
1.2 Offshore Production
1.3 Capital Perspective  
1.4 Offshore Development and Operations   
1.5 Removal and Abandonment Rates  
1.6 Decommissioning Decision Tree
1.7 Removal Trends, Market Size, and Decommissioning Exposure
1.8 Cost Uncertainty
1.9 Offshore Decommissioning Characteristics 
1.10 Future Prospects

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2. Legislative Framework
2.1 Statutory and Regulatory Authority
2.2 Decommissioning Regulations
2.3 Idle Iron Draft Regulations
2.4 Producing in Paying Quantities
2.5 Outer Continental Shelf Bonding Program
2.6 Supplemental Bond Market

3. Decommissioning Process  
3.1 Offshore Infrastructure    
3.2 Stages of Decommissioning 
3.3 Plugging and Abandonment Process       
3.4 Factors Involved in Severance Selection 
3.5 Using Explosives for Cutting Operations
3.6 Nonexplosive Removal Technology

4. Rigs to Reef Programs       
4.1 Natural Fishing Enhancement Act
4.2 Legislation
4.3 Permit Agencies   
4.4 Aids to Navigation  
4.5 Case Studies
4.6 Donation Requirements   
4.7 Liability    
4.8 Planning Areas     
4.9 Donation Statistics
4.10 Capture Probability Statistics    
4.11 The Louisiana Special Artificial Reef Site Program

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5. Activity Trends      
5.1 Exploration and Development Wells       
5.2 Temporary and Permanent Abandonments 
5.3 Structure Installation       
5.4 Structure Removal
5.5 Active Structures 
5.6 Decommissioning Activity in 2008 
5.7 Decommissioning Activity 2000-2008    
5.8 Activity by Water Depth Category

6. Asset Ownership    
6.1 Ownership Statistics
6.2 Asset Distribution
6.3 Performance Indicators    
6.4 Production Statistics
6.5 Shallow and Deepwater Asset Comparison

7. Cost Estimation     
7.1 Contributing Factors
7.2 Cost Estimation   
7.3 Cost Model  
7.4 Risk-Adjusted Cost Tableau
7.5 Example

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8. Operator Liability  
8.1 Total Liability      
8.2 Company Liability
8.3 Liability Distribution       
8.4 Cost Relations      
8.5 Quick Cost Algorithm     
8.6 Example - Stone Energy  
8.7 Cost by Water Depth       
8.8 Adjusted P&A Cost

9. Commercial Perspectives and Planning     
9.1 Management Options       
9.2 Business Models
9.3 Bid and Tender Process   
9.4 Contractor Selection
9.5 Contract Specification     
9.6 Negotiation
9.7 Decommissioning Network 

10. Decommissioning Forecast  
10.1 General Considerations  
10.2. Many Factors Impact Decommissioning Activity
10.3 Models and Uncertainty
10.4 Structure Removal Forecast       
10.5 Plug and Abandonment Forecast

11. References

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