An assessment of techniques for removing offshore structures / / Committee on Techniques for Removing Fixed Offshore Structures ; Marine Board, Commission on Engineering and Technical Systems, National Research Council

• Record Nr.: UNINA9910806256603321
• Pubbl/distr/stampa: Washington, D.C., : National Academy Press, 1996
• Edizione: [1st ed.]
• Descrizione fisica: 1 online resource (86 p.)
• Disciplina: 622.33819
• Soggetti: Offshore structures; Drilling platforms; Oil well drilling rigs
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: ""AN ASSESSMENT OF TECHNIQUES FOR REMOVING OFFSHORE STRUCTURES""; ""Copyright""; ""MARINE BOARD""; ""Preface""; ""BACKGROUND""; ""COMMITTEE COMPOSITION AND SCOPE OF THE STUDY""; ""HOW THE STUDY WAS CONDUCTED""; ""ORGANIZATION OF THE REPORT""; ""ACKNOWLEDGMENTS""; ""REFERENCES""; ""Contents""; ""Executive Summary""; ""CONCLUSIONS""; ""RECOMMENDATIONS""; ""REFERENCE""; ""1Overview of Existing Offshore Structures and Removal Regulations""; ""EXISTING PLATFORMS""; ""Platform Types and Configurations""; ""Free-Standing Caisson with Well(s)""; ""Well-Protector Jackets""; ""Braced Caissons with Well(s)""""Conventionally Piled Platforms with Wells""; ""Conventionally Piled Platforms without Wells""; ""Skirt-Piled Platforms""; ""Special Application Platforms""; ""CONSTRUCTION EQUIPMENT USED IN PLATFORM REMOVALS""; ""REGULATIONS, LAWS, AND PERMITS""; ""Federal Laws and Regulations""; ""Outer Continental Shelf Lands Acts""; ""National Environmental Policy Act of 1969""; ""Endangered Species Act""; ""Marine Mammals Protection Act""; ""Other Laws and Regulations""; ""Platform Removal Permit Process""; ""Rigs-to-Reef Program""; ""International Laws""; ""REFERENCES""; ""2 Assessment of Cutting Techniques""""EXPLOSIVE CUTTING ; TECHNIQUES""; ""Present Explosive Cutting Techniques""; ""Bulk Explosive Charges""; ""Configured Bulk Charges""; ""Cutting Charges""; ""Future Explosive Cutting Techniques""; ""Cutting Charges""; ""Fracturing Charges""; ""Other Explosive Charges""; ""NONEXPLOSIVE CUTTING TECHNIQUES""; ""Present Nonexplosive Cutting Techniques""; ""Mechanical Cutters""; ""Abrasive Cutters""; ""Diver Cuts""; ""Future Nonexplosive Cutting Techniques""; ""Hydraulic Shears""; ""Diamond Wire Cutter""; ""TECHNIQUES BEING DEVELOPED""; ""Laser Cutting""; ""Pyrotechnic Cutting""""Cryogenics""; ""Chemical Cutters""; ""Deployment of Remotely Operated Vehicles""; ""Bubble Curtains""; ""Acoustic Devices""; ""Platform Design Considerations""; ""REFERENCES""; ""3 Technical Considerations""; ""RECENT REMOVAL PATTERNS""; ""Platform Removals by Water Depth""; ""Platform Removals by Year""; ""Platform Removal Trend""; ""TYPICAL ABANDONMENT PROCESS""; ""Removal Options""; ""Leave-in-Place Option""; ""Partial Removal Option""; ""Topple-in-Place Option""; ""Complete Removal Option""; ""Factors in Selecting Removal Methods""; ""TYPICAL PLATFORM REMOVAL COSTS""""REFERENCES""; ""4 Environmental Assessment of Present Removal Techniques""; ""HABITAT AND ECOSYSTEMS""; ""Sea Turtles""; ""Marine Mammals""; ""Fish""; ""NONLETHAL EFFECTS OF EXPLOSIVE REMOVALS""; ""SUMMARY""; ""REFERENCES""; ""5 Summary Assessment of Explosive and Nonexplosive Technologies""; ""FINDINGS""; ""6 Conclusions and Recommendations""; ""CONCLUSIONS""; ""RECOMMENDATIONS""; ""APPENDICES""; ""Appendix A Biographical Sketches of Committee Members""; ""Appendix B Federal Register Notice and List of Respondents""; ""LIST OF RESPONDENTS""; ""Appendix C Participants in Committee Meetings""