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SUCCESS STORY

South Hook, Milford Haven, UK

March 2005

April 2010

LNG

Executive Summary

The demand for natural gas is growing rapidly and at the same time indigenous gas production in European Union is

going down. Experts predict that the resulting import requirements in the European Union in 2030 will be between 1.5

and 2 times the import amount of 2007. One of the options to close the resulting supply gap is through LNG imports. As

a consequence, liquefied natural gas (LNG) facilities are under pressure to deliver not just now, but well into the future.

Consequently, a requirement for LNG terminals is that they have exceptionally reliable field proven process automation

solutions that will be supported for at least 15 years, and which in practical terms can be expected to be longer.

The South Hook Terminal provides the UK with a significant proportion of its natural gas requirements. It is an integral part

of the Qatargas 2 integrated value chain and is the largest Liquefied Natural Gas re-gasification terminal in Europe. The

South Hook re-gasification Terminal is the stage in the LNG process which changes it back from the liquid to gaseous state.

This is then delivered to the UK’s homes and businesses via the UK’s national grid network.

The LNG is delivered to South Hook by a state of the art fleet of double-hulled ships which brings the LNG from Qatar’s

immense North Field, to the safe, deep water in Milford Haven.

The South Hook Terminal also plays a major role in the strengthening of the strategic partnership between the state of

Qatar and UK. LNG imports greatly increase the UK’s security and diversity of gas supply while helping to ensure that

natural gas remains a competitive source of energy.

Yokogawa Provides CENTUM CS 3000 and ProSafe-RS for the

Largest LNG Terminal in Europe

The South Hook LNG terminal and jetty

ISD-SP-R129

SUCCESS STORY

The Challenges and the Solutions

Yokogawa Europe successfully completed the implementation of the full ICSS automation control system project which

includes flagship products of distributed control system (DCS) CENTUM CS 3000, Yokogawa’s safety instrumented

system Prosafe-RS and Exaquantum - Yokogawa’s Plant Information Management System (PIMS). For design and training

purposes the Yokogawa scope also included an Operator Training System (OTS) based on the Visual Modeler dynamic

simulation software.

The South Hook Terminal facility comprises a ship unloading system, five dual containment 155,000 m3 LNG storage

tanks, and duplicated re-gasification and gas send-out systems.

1. Plant Safety Operation

Owners of LNG terminals are subject to compliance with many laws, regulations, standards and guidelines which need to

be met to ensure that the health and safety and commercial viability of all of its stakeholders are not compromised. These

comprehensive requirements influence the design, construction, operation, and maintenance of an LNG facility.

Yokogawa’s skills, expertise and experience is not just limited to its product but recognises the importance of

understanding the LNG process. In order to be able to implement a successful fully automated solution, Yokogawa

utilises its experience and specific knowledge of LNG terminal control system automation. Yokogawa safety consultants

are involved at the earliest stages of development and can participate, for example, in HAZOP studies and SIL studies.

Yokogawa supported, designed and supplied a full automation control system for this terminal, which incorporated the

DCS (distributed control system), emergency shutdown (ESD) system, fire and gas (F&G) system, fire and gas devices,

asset management system, data historian system and operator training simulator. The basis of this LNG terminal solution

is Yokogawa’s CENTUM CS 3000 R3 DCS system and ProSafe-RS safety instrumented system, which are considered the

most reliable process automation system on the market.

As LNG EPC projects have increased in size and complexity, owners have increasingly employed Yokogawa during front

end engineering design (FEED) activities, utilising Yokogawa’s extensive experience in LNG supply chain automation.

Central control room