---
title: Riserless Well Intervention System
description: Riserless Well Intervention System (RWIS) Local Equipment Room & Local Control Room (LER & LCR) for Expro North Sea Limited.
---

[Cases ](https://www.semcomaritime.com/cases)

# [Riserless Well Intervention System](https://www.semcomaritime.com/cases/riserless-well-intervention)

 Written by [Semco Maritime](https://www.semcomaritime.com/cases/author/semco-maritime) | Mar 1, 2020 11:00:00 PM

## Riserless Well Intervention System (RWIS) Local Equipment Room & Local Control Room (LER & LCR)

##### **Customer: Expro North Sea Limited **Location: Built in the UK, and installed on RWIS vessel Period: 2019-2021

Semco Maritime were required to supply safe area containers used for control of Subsea Equipment. The LER accommodates all of the equipment including Power, PLC, PCs & Network equipment and the LCR is similar to a drillers cabin which will host the personnel who operate the subsea control equipment via state-of-the-art cyber chair.  
.

##### Competences and systems

- Design of both containers including all power, controls & network equipment
- Sub vendor coordination
- Manufacture of LER and LCR
- Workshop assembly & build of both containers
- Electrical Engineering
- Instrument Engineering
- Control Systems Engineering
- IT Infrastructure & Network Engineering
- Factory Acceptance Testing (FAT)
- Onshore Commissioning

##### Highlights

- Fully redundant control system
- Suitable for worldwide use due to the capability and life expectancy of the design

Read our installation news here

[View full post](https://www.semcomaritime.com/cases/riserless-well-intervention)

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