January 2015

Process Automation and Control

DCS migration: Lessons learned

In 2005, TOTAL’s Port Arthur refinery (PAR), like many present-day refining and petrochemical facilities, found itself with an obsolete, at-capacity distributed control system (DCS). As shown in ..

Conley, R., TOTAL Port Arthur refinery

In 2005, TOTAL’s Port Arthur refinery (PAR), like many present-day refining and petrochemical facilities, found itself with an obsolete, at-capacity distributed control system (DCS). As shown in Fig. 1, the 18,000 input/output (I/O) of the DCS system was 80% first generation (late 1970s architecture) and 20% second generation (mid-1980s architecture). The control system unit segregation had been lost (all spare I/O had been used by capital projects), and advanced process control (APC) applications were, therefore, difficult to implement at the DCS level. In addition, the control system vendor had just announced a 2016 end-of-support for the first-generation DCS, giving the refinery 10

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain ACCESS to the current issue as well as to 3 articles from the HP archives per month. $399 for an annual subscription*.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at Jnette.Davis-Nichols@GulfEnergyInfo.com or +1 713.520.4426*.

*Access will be granted the next business day.

Related Articles

From the Archive

Comments

Comments

{{ error }}
{{ comment.comment.Name }} • {{ comment.timeAgo }}
{{ comment.comment.Text }}