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Gold/Mining/Energy : Unitec Int. Controls Inc. -- Ignore unavailable to you. Want to Upgrade?

To: Bobby Yellin who wrote (304)	4/11/1998 9:15:00 PM
From: John B. Smyth	Read Replies (2) \| Respond to of 856

About 50% of the new wellhead monitoring systems will use SCADA. All new pipelines and distribution systems will use SCADA. Prior to SCADA and even today, the sites are visited and checked manually on a periodic basis. In remote areas, such as northern Alberta, the companies fly in weekly by helicopter to check the sites not on SCADA after the spring thaw and continuing until the next winter freeze. SCADA provides "real-time" monitoring and control which can save considerable costs if the well must be re-drilled. In the Booster areas, it can save costly repairs by detecting failures before they become catastrophic. In the distribution side, the customer must match his supply with demand. Over supply means tremendous losses in revenues and under supply can mean tremendous penalties. I don't know how reliable it is, but it was said by some of the Metrogas people that they would lose up to $1 million per day until they were able to balance the supply with demand. In the event of an accident or line breakage due to earthquake (which is a major concern for Metrogas) SCADA provides the ability to quickly identify the gas loss and close that part of the failed system. Your questions are excellent Bobbie, I appreciate your interest. Our sun has finally come out, but just peeking between the clouds. Regards, John