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Vessel Focus: FPSO FPSO Retrofit Design Accelerated With CAD Software that automatically produces loop, cable, and termination drawings from information in piping and instru- mentation diagrams (P&IDs) allowed Merpro Limited to prepare electrical schematics for an offshore retrofit twice as fast as on previous projects. The retrofit involved a floating production storage and offloading (FPSO) tanker, the Bluewater Uisge Gorm, which was increasing the water cut and accumulat- ing solids in one of its separators. Mer- pro designed a system that addressed both problems. The documentation for the system included 78 electrical schematics, and in a time and cost-sav- ing move designers created "intelligent" P&IDs containing equipment specifica- The Mooring Specialists Chain Hawser Hooks Chain Stoppers SPM Load Monitoring Quick release under full load Loads to 450 tonnes SWL Remote release Load monitoring Designed for class 1 zone 1 Designed to OCIMF guidelines Approvals to Lloyds, ABS, DNV. Quick release under full load Working load to 650 tonnes Chain sizes to 110 dia Load monitoring Remote release Deck mounted installation Load data transmitted by radio telemetry - to base station - to portable monitor on vessel Visual and audible alarms Dual gauged load cells Double sealed electronics For class I zone I areas Trouble shooting by remote modem access Harbour & Marine Engineering F [ PTY LTD 79 Asling St. Brighton, Melbourne, Australia. 3186. Phone: +61 3 9530 6333 Fax: + 61 3 9530 6366. Email: engineering@harbourmarine.com Web: http://www.harbourmarine.com Circle 324 on Reader Service Card Simplan® Face Seals Optimal sealing properties for water-lubricated sterntubes Simplex-Turmar, Inc. P.O. Box 675, Tonawanda, NY 14151-0675 U.S.A. Call Toll Free: 888-357-3257 Fax: 716-695-0144 Email: info@simplex-turmar.com Website: www.simplex-turmar.com B+V Industrietechnik tions, engineering information, and other data. Then they created loop and junction box templates using the soft- ware's drafting system. The prototypes used "tokens" to represent information such as tag number, manufacturer, model number, and so on. The software automatically generated loop, cable, and termination drawings by replacing tokens with descriptive data from the P&ID instrument index master data- base, making it possible to complete the drawings in six weeks. The Uisge Gorm is situated on the Furgus Fife Oil Field in the U.K. sector of the North Sea, close to the Norwegian and Danish sectors. During the initial two years operation, being a marginal field the water cut increased quite dra- matically such that the field was produc- ing almost as much water as oil and this would continue to increase as the age of the field increased. The high water cut meant that the produced water system was running near its limit and as such to achieve the oil in water overboard dis- charge legislative requirements produc- tion had to be cut back, this would result in a decrease in revenue. A second problem, one of sand production, was also encountered during this period with plant shut downs having to take place at more frequent intervals to remove the solids build up in the separation vessels. Besides the more frequent shutdowns to remove the solids, a potentially greater problem is the effect that sand has on the instrumentation and the erosive effects on pipework and valves. The existing plant like most installations in the North Sea had no facility to manage solids. Merpro Limited was contracted by Bluewater Engineering b.v. to design a system to meet the above needs. Merpro specializes in the design and manufacture of oil and gas processing systems primarily for the offshore sector a two-part solution was proposed for the Usige Gorm. In the past, Merpro would have generated the documentation for a project such as this by using one pro- gram to create P&IDs, AutoCAD to cre- ate electrical schematics such as junc- tion box layouts and instrumentation loops, and a spreadsheet application to generate instrument and valve lists. Since there was no connection between any of the programs, each schematic was started from scratch and equipment lists were created manually on spread- Circle 278 on Reader Service Card Circle 243 on Reader Service Card Circle 230 on Reader Service Card
