Desicon Engineering Limited > Completed > Obiafu-Obrikom (Ob-Ob) Gas Plant Upgrade

Obiafu-Obrikom (Ob-Ob) Gas Plant Upgrade

Project details

Client name:
Saipem Contracting Nigeria Limited (SCNL) - (Main Client: Nigerian Agip Oil Company (NAOC))
Desicon Engineering Limited

The full project scope covered Engineering, Procurement and Construction for the OB/OB Gas Plant for gas supply to NLNG. Desicon scope focused on;


  • 11kv Switchgears
  • 0.4kv switchgears
  • Power cables and control cables
  • Earthing and lighting systems
  • Cathodic Protection system


Civil & Structural

  • Foundations for the equipment’s and shelter
  • Erection of a new shelter complete with bridge cranes
  • Modification of the existing bridge cranes
  • Erection of a new rack supporting the interconnecting piping to and fro air coolers.


Mechanical & Piping

  • Supervision and installation of Sales Gas Compression Package – 6570-K-01 E
  • Supervision and installation of MP Gas Compression Package – 6520-K-01 E
  • Upgrade of MP/HP Gas Compressor manifolds
  • Modification of U/G Piping
  • Integration of plant / Instrument air system and other utility systems.


Fire & Gas

  • Installation and upgrading of fire-fighting systems