WEIZHOU 11-1/12-1/11-4N/6-1 Oil Field Development
Client: CNOOC Zhanjiang Company
Project Type: Basic and Detail Design
Project Location: South China Sea,China
Project Status: Completed

Project Summary:
  • Weizhou oil field is located in South China Sea, in 40m water depth.
  • Four fixed wellhead platforms
    • WZ11-2 WHPA 4-leg wellhead platform with living quarter
    • WZ11-4 WHPA 4-leg wellhead platform
    • WZ12-1 PAP 2-leg production assistance platform
    • WZ6-1 WHPA single column wellhead platform

Project Responsibility:

  • Topside facilities and deck structure design
  • Jacket design and weight control
  • Topside and jacket installation procedure and analysis
  • On site construction support
  • Conceptual study of simplified single column, 3-pile platform

Project Highlights:

  • Light weight jacket used in marginal oil field
  • Optimized jacket configuration to reduce cost in transportation and installation
  • The first implementation of PDMS 3D modeling in offshore topside detail design and construction support in China

Contract Award Date: November 2004
Completion Date: March 2005

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