Cost Contracting Plans

The costs for an oil and gas production platforms depend on a number of drivers:

  1. Design criteria
  2. Oceanographic environment
  3. Facilities payload
  4. DVA (Direct Vertical Access) vs. non DVA
  5. Water depth
  6. 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