The campaign will include another first for the Well Enhancer as she will be undertaking her deepest project to date at approximately 1,540 ft (470 m) water depth. The Well Enhancer’s current specification allows her to work in water depths of up to 1,970 ft (600 m).
The Well Enhancer’s arrival represents the emergence of the LWI market for a region which is experiencing rapid development.
The Well Enhancer’s strong track record and Well Ops UK’s reputation as a market leader in providing subsea well intervention services in the North Sea was key in obtaining the award for the African project. This is because Well Ops North Sea clients also own significant interests offshore West Africa and key personnel already understand the methodology and technology behind riserless well intervention operations.
The campaign will include remedial workscopes on six wells by way of a subsea tree replacement, production enhancement, well maintenance and well integrity work.
The Well Enhancer, launched in 2008, provides oil and gas production companies the opportunity to undertake a multitude of workscopes across a number of wells in various locations with the ability to transit between wells and gain access to a well via a Subsea Intervention Lubricator (SIL) well control package to intervene.
This method is both a much quicker and less expensive option to the conventional approach of using a drilling rig. Using LWI vessels also frees up drilling rigs to undertake the operator’s drilling, completion and well work-over projects.
The Well Enhancer, as with sister vessel Seawell, can also provide the operator with up to an 18-man saturation diving system rated for 984 ft (300 m). This offers clients increased options and flexibility when undertaking well work and can support light construction and inspection, repair and maintenance projects within the field, thus maximizing the capabilities of the assets.