Case Study

PCS & MCS Communications Upgrade

Summary

The process control system (PCS) of an offshore installation in the UK was communicating with the subsea Master Control Station (MCS) on a cyclic basis.  This was causing unnecessary movement of subsea choke valves and alarm floods.

Modification to the PCS logic was required to ensure that communications between the PCS and the MCS are configured such that the subsea choke valves are only moved when commanded by the operator.

We were engaged to design, specify, test, and commission the modifications to the PCS.

Our Scope

Develop the project requirements and performance criteria including cost estimation and schedule definition on behalf of the client. 

Specify the modification in sufficient detail such that all services required to deliver the scope of work can be determined.

Act as the design authority for the project providing technical direction and control, including management of the PCS and subsea system suppliers.

Responsible for developing the factory acceptance testing and offshore commissioning strategy, including the development of all procedures. 

Act as the commissioning authority, witnessing the  execution of the modifications offshore and acceptance on behalf of the client.

Result

A cost-effective solution was developed that took into  consideration the current system limitations and obsolescence issues.

The scope was delivered on time to meet the planned shutdown window, with the scope executed and handed over with no impact to installation operations.

Services

Consultancy
Our consultants are subject matter experts covering all C&I engineering related sub-disciplines
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Design & Engineering
Design and engineering of industrial automation systems, including upgrades and modifications, is our speciality
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Systems Integration
Our engineers have knowledge and expertise in a range of systems and equipment, which allows us to act as both designer and system integrator
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Commissioning
We have extensive Brownfield and Greenfield commissioning experience ranging from delivery of major capital projects through to minor modifications
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