Within the quarter, BOG undertook crucial maintenance on ERHA FPSO.
The ERHA FPSO, commissioned in 2005, has a storage capacity of 2.2 million barrels of oil and an initial production rate of 165,000 barrels per day. Operated by ExxonMobil, with SPIE as the GMC contractor, the project was executed under the existing General Maintenance Contract (GMC) framework, with BOG serving as the subcontractor for this critical phase of work.
The maintenance focused on repairing a 16×3” Reducing Glass Reinforced Epoxy (GRE) Saddle on the Seawater Lift Pump (SWLP) 3 system.
This issue arose after the successful completion of a separate 30x20x16” GRE Loop repair. After restarting the line, the 16×3” Reducing Saddle connected to a 3” flange failed. After a thorough inspection, it was determined that the failure was due to pipe strand buckling under stress and pressure, leading to a burst in the 3” GRE pipe connecting the 3” GRE flanged section and the 16×3” GRE Reducing Saddle.
The team swiftly mobilised to repair the leaking 16×3” GRE Reducing Flanged Saddle on the SWLP 3 system. Additionally, all potential vulnerable points were assessed to prevent any future failures. The project was efficiently executed over eight days, with the fabrication phase completed in two days and the installation phase spanning six days.


