Aveon Offshore has successfully completed fabrication, supported testing and load-out of subsea equipment for Esso's Erha North Phase 2 project offshore Nigeria.
The load out and sail away of the five suction piles, production and water-injection manifolds and riser base lift module with choke loop bridge occurred in four batches between October 2014 and March 2015, with the final batch of five mudmats with foundation base and two production manifolds with pigging loop sailing away 5 April, 2015.
Other works such as the fabrication of the Xmas tree elements are currently ongoing and delivery is on schedule.
The Erha North Phase 2 development is an extension of the existing Erha subsea system and infrastructure, currently producing to the existing Erha FPSO located in OML 133 in Nigerian waters.
AVEON Offshore, a fully Nigerian owned engineering and fabrication services company was awarded the contract by OneSubsea Offshore Systems Nigeria for the fabrication and load-out of approximately 1200-ton of subsea structures including five manifolds and modules with associated suction piles, various Xmas tree frame elements and control system foundations for the Esso Exploration and Production Nigeria Limited (EEPNL) Erha North Phase 2 Project in 2013.
In order to accommodate the workload generated by the project, a dedicated 2000sq m high-bay workshop was added to the yard’s existing infrastructure.
Oddvar Bryne, Project Director OneSubsea offshore systems Nigeria said: “A day to remember, the total Manifold scope complete and last ENP2 manifold loaded onto the barge. An overall manifold scope delivered successfully and I do believe one of the most successful projects delivered from Aveon ever.”
The project was executed by AVEON Offshore at its 280,000sq m fabrication yard in Rumuolumeni near Port Harcourt and generated over 550,000 productive man-hours of over 20 months.
Image: Erha North Phase 2 project underway/Aveon Offshore
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