Helix Energy Solutions has been awarded the contract for deepwater well intervention in the Erha and Usan fields in Nigeria by Esso Exploration and Production Nigeria. The project will begin in September 2024 and will involve the use of a Q4000 semi-submersible workover vessel, a 10k workover riser system, remotely operated vehicles, project management and engineering services. The vessel will undertake a range of missions including subsea well intervention, on-site decommissioning and emergency well containment.