PIPELINE AND TERMINAL MANAGEMENT SCADA FOR

PAKISTAN STATE OIL COMPANY

THE FUNCTION OF THE SYSTEM IS TO PROVIDE THE MANAGEMENT AND OPERATIONS STAFF OF PAKISTAN STATE OIL COMPANY WITH KEY FACILITIES TO OPERATE THE PIPRI OIL TERMINAL AND THE INCOMING PIPELINE TO THE OIL STORAGE AND DISTRIBUTION CENTRE.

THE SYSTEM COMPRISES A DUAL REDUNDANT SCADA TERMINAL AT THE PIPRI TERMINAL PROVIDING FULL OPERATION INTERFACE TO THE WHOLE SYSTEM. USING SCADAPLUS RUNNING IN WINDOWS 95 IT IS A STATE OF THE ART MAN MACHINE INTERFACE (MMI).

LOCATED AT BOTH THE PIPRI SITE AND THE BOOSTER STATION ARE SYSTEM 3 PLC/RTU UNITS. COMMUNICATIONS TO THE MMI USES MODBUS RTU PROTOCOL.

TRANSMISSION OF DATA FROM THE BOOSTER STATION TO PIPRI (9KM) IS BY A DUAL FIBRE OPTIC LINK. PROVIDING 4 G7Æ 3 CHANNELS EACH OF 2 MB/S. THE SYSTEM USES TIME DIVISION MULTIPLEXING (TDM) AND ASYNCHRONOUS TRANSFER MODE (ATM) TECHNIQUES TO PROVIDE OPTIMUM USAGE OF BAND WIDTH. THIS LINK ALSO CARRIES VOICE LINES FOR THE INTERNAL TELEPHONE SYSTEM.

WON THE TURNKEY CONTRACT WHICH INCLUDED DESIGN, SUPPLY, ERECTION, COMMISSIONING AND TRAINING AGAINST STRONG INTERNATIONAL COMPETITION.

THE DESIGN INCLUDES THE FUTURE NEEDS OF PSO AS THEIR PIPE AND TERMINAL INFRASTRUCTURE EXPANDS.

THE MAIN MONITORING AND CONTROL FUNCTIONS ARE:

  1. INVENTORY CONTROL USING LEVEL GAUGING.
  2. CUSTODY TRANSFER BETWEEN PSO AND ITS CUSTOMERS
  3. PRODUCT ROUTING TO THE TANK FARM AND TO CLIENT’S SITE
  4. PIPELINE MANAGEMENT PROVIDING CONTROL AND MONITORING OF THE PIPELINE INCLUDING LEAK DETECTION, PIG CONTROL.
  5. CONTROL OF BOOSTER STATION PUMPS
  6. AUXILIARY MONITORING OF GENERATOR SETS, PIPELINE, HEATING ETC.

Ocean Technical Systems Ltd.
P.O.Box 752, Sutton, Surrey, U.K. SM2 7RQ
Tel: +44 (020) 8643-2233 Fax: +44 (020) 8643-6444
e-mail: oceantech@oceantechsys.com


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