The costs for an oil and gas production platforms depend on a number of drivers:
- Design criteria
- Oceanographic environment
- Facilities payload
- DVA (Direct Vertical Access) vs. non DVA
- Water depth
- Number & configuration of risers
To reduce the costs there are 2 strategies that can be followed:
Fit for Purpose Design
- Define minimum functional requirements
- Define target reliability level considering onshore practice and consequences of structural failure
- Define desired platform design life
- Develop fit-for-purpose design codes & guidelines
- Target Costing
- Develop understanding of life cycle costs and subsystem interdependencies
- Identify major cost drivers and seek to minimize
System Optimisation
- Develop standardized, flexible solutions (e.g. de-couple hull & mooring design)
- Minimize weight
- Seek to delete entire subsystems (e.g. hull access & ventilation systems)
- Seek to use local fabrication capabilities
- Minimize installation vessel requirements
- Minimize installation schedule
- Have adjacent platforms share pile foundations
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