WATER INJECTION CONTROL
FOR
ZADCO’S SATAH FIELD

ZADCO’S SATAH AND UMM AL DALK FIELDS HAVE USED ’S TELEMETRY SYSTEMS FOR WELLHEAD MONITORING SINCE THE MID 1980’S.

THE SATAH FIELD SYSTEM HAS RECENTLY BEEN UPGRADED TO INCLUDE NEW WATER INJECTION PLATFORMS AND WAS COMMISSIONED TO EXPAND AND MODERNISE THE FIELD CONTROLS

AS THE UPGRADE INCLUDED WATER INJECTION CONTROLS AT TWO UNMANNED PLATFORMS, A NEW DUAL REDUNDANT SCADA SYSTEM WAS INCLUDED AT THE ARZANAH ISLAND CONTROL CENTRE. THIS IS IN CONTACT WITH THE PLATFORMS VIA A RADIO TELEMETRY NETWORK, WHICH IS DUPLICATED AT THE MASTER STATION END, AND SINGLE REDUNDANT AT EACH PLATFORM. AN EXISTING MICROWAVE LINK ALSO SENDS FIELD DATA TO THE ZURKOU ISLAND PROCESS CENTRE.

‘SYSTEM 3’ TELEMETRY EQUIPMENT WAS USED EXTENSIVELY IN THIS UPGRADE, BOTH FOR THE PLATFORM CONTROL OUT-STATIONS, AND THE DUAL REDUNDANT COMMUNICATIONS PROCESSOR ON ARZANAH ISLAND. AT THE PLATFORM THE SYSTEM 3 UNITS ARE CERTIFIED EXN FOR ZONE 2 HAZARDOUS AREAS.

THE DUAL MASTER-STATIONS USE PC PENTIUM II BASED HARDWARE, CONTROLLED FOR THE DUAL REDUNDANT COMMUNICATIONS PROCESSOR. SCADA SOFTWARE IS BASED ON WONDERWARE’S IN-TOUCH™ , MODIFIED BY FOR ENHANCED DUAL REDUNDANT OPERATION. THE STATIONS ARE LINKED SO THAT EITHER COMPUTER IS UPDATED WITH FULL DATA BASE INFORMATION WHEN THE COMPUTER IS RECONNECTED.

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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