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Full Description
There is now an awareness within the industry, particularly as oil companies direct considerable resources towards developing diverless production systems, that a fully integrated approach to equipment design and intervention is necessary to achieve an acceptable system. The requirement for an integrated approach to equipment design and intervention is applicable not only to diverless depths but to all subsea structures, equipment and intervention techniques in whatever depth. Fortunately the inherent dexterity of the diver does not impact so severely on design as other intervention techniques. However the benefits of an integrated approach are still applicable and the use of such simple "diver aids" as cutting guides and subsea markings installed prior to the installation of jackets and subsea equipment can have a significant impact on the cost of intervention. This paper examines the requirements and limitations in designing subsea equipment for Remotely Operated Vehicle (ROV) intervention. For the oil company embarking on the development of a diverless production system, be it totally diverless because of the envisaged water depth or primarily diverless with the possibility of diver back up, the intervention techniques adopted will strongly influence the final system design. The necessity to undertake an extensive development programme to produce the optimum intervention system is very costly, requires long lead times and comprehensive testing particularly where novel solutions are adopted. It is a daunting prospect for even the most progressive of oil companies.
Contents
I The Oil Company View.- 1. ROVs —The Management Contractor's Requirements.- 2. Designing Subsea Equipment for ROV Intervention.- II Operational Limitations and How to Overcome Them.- 3. ROVs and Moonpools An Operator's Viewpoint.- 4. Using an ROV for Simultaneous Lay and Burial of Subsea Umbilicals.- 5. Measurement and Analysis of Hydrodynamics of ROVs' Tether Cable.- 6. An Integrated Approach to Operations.- 7. Planning and Conducting Combined Diver/ROV Operations.- III Safety, Certification and Insurance.- 8.(I) Risk Management and Insurance for the Underwater Contractor.- 8.(II) Risk Management and Insurance for the Underwater Contractor.- 9. Making the ROV Electrically Safe — In and Out of the Water.- 10. ROVs Increase Diver Safety.- 11. Improved Efficiency and Loss Prevention Through ROV Simulation.- 12. Operational Limitations — Training for Offshore ROV Employees.- 13. ROV Training and Certification: Their Effects on Technology Transfer.- IV Sub Systems and Payload Integration.- 14. The Application of ROVs to Underwater Welding Repair Tasks.- 15. Dredging Tools for ROVs.- 16. An Integrated Approach to Subsea Intervention.- 17. An Integrated Visual Imaging System.- 18. Optimization of High Performance Subsea Cleaning System.- 19. A Cable Location and Tracking System for Cirrus.- V Future Commercial Developments.- 20. The Hardware and Software Development of a Fully Adaptive ROV Autopilot.- 21. The Development of a Remotely Operated Crack Inspection Systems — ROCIS.- 22. A Free Swimming ROV.- 23. The Evolution of Rigworker.- VI Military, Scientific and Non-Oil Related Use of Buoys.- 24. ROV Acoustic Position Reference System for Hydro-electric Dam Inspection.- 25. Eastport International's Air India Salvage Effort.- 26. A Novel Approach to ObjectClassification for Military Requirements.- 27. JASON: An Integrated Approach to ROV and Control System Design.- 28. Some Applications of ROVs in Fisheries Science.- 29. A Small Lightweight ROV for Studies Under Arctic Ice.
