EPC Obiafu-Obrikom Plant Works N-LNG Phase 3 Gas Supply Project

Client: Nigerian Agip Oil Corporation SAIPEM Contracting Nigeria Ltd.
Start Date: 2002 – Completion Date 2006

NAOC Obiafu-Obrikom plant (Ob/Ob) is an oil and gas treating complex located approx. 80 km north-west of Port Harcourt Nigeria.     The object of N-LNG gas supply project is to upgrade and expand NAOC Ob/Ob gas plant in Nigeria to produce sales gas for delivery to N-LNG at the Bonny LNG plant. N-LNG phase 3 project is to increase the sales gas export capacity to 440 MMSCFD with the possibility of achieving 600 MMSCFD for short periods and reduce flaring. This work forms part of the N-LNG gas supply project-phase 3.

N-LNG Gas Supply Project, Phase 3 includes the following major components:

• Lopped Rich/Lean HP Gas Header
• TEG Contactor
• TEG Regeneration
• CO2 Regenerator Columns – Trays replacement
• Fuel Gas Heater Package
• MP Compressor
• Stabilizer Pre-Flash Drum
• Nitrogen Generation Package
• Multi-Phase Flow Meter
• Lube Oil System

• Basic Design review
• Schedule
• Flow Diagrams and P & ID’s
• Operation on emergency philosophy
• HAZOP
• Detail Design (Civil, Piping, Mechanical, Instrumentation, Electrical etc.)
• MTO and B of Q
• Commissioning and Start-up Supervision
• Operation Manual