Wellhead Control Systems Reference List

Calm Buoy Project Reference List

Customer: Texaco Kuwait / KOC / Imodco
Location: Offshore Kuwait
Scope: Calm Buoy Control System
Year: 2001

System featured:

• Dual redundant EXS1000 RTU’s, Zone 1 hazardous area design
• Redundant UHF radio modems
• Offshore radio repeater, solar powered
• Control room based SCADA system, Windows 2000, Citect SCADA software
• Zone 1 certified navigation aids (foghorn and navigation aids)
• Zone 1 solar power system

End User: Zadco
Location: Offshore Zirku Island
Scope: Oil Loading Buoy Control System (Two Buoys)
Year: 1998 / 1999

System featured:

• Dual redundant, hot changeover UHF transceivers at the buoys and MTU
• Dual redundant buoy based RTUs, CAC1200
• Dual redundant voice communication system with path voting
• 6 off portable control units
• Fully redundant antennas for both the onshore and offshore repeaters
• Multiple node QNX based SCADA system at the Central Island complex

End User: Dabhol Power
Location: Offshore India
Scope: Oil Loading Buoy Control System
Year: 1997 / 1998

System featured:

• Dual redundant, hot changeover UHF transceivers at the buoy and MTU
• Buoy based RTU, EXS1000
• Hazardous area certified solar power system
• Navigation aids
• Portable control unit
• Redundant antennas
• Hydraulic power unit

End User: Apache Energy
Location: Offshore Western Australia
Scope: Oil Loading Buoy Control System
Year: 1997 / 1998

System featured:

• Dual redundant, hot changeover UHF transceivers at the buoy and MTU
• Buoy based RTU, EXS1000
• Hazardous area certified solar power system
• Navigation aids
• Portable control unit
• Redundant antennas
• SCADA system at the central offshore platform

End User: BP Columbia
Location: Columbia
Scope: Calm Buoy Control System
Year: 1995 / 1996

System featured:

• Dual redundant, hot changeover UHF transceivers at the buoy and MTU
• Buoy based RTU acting as MASTER
• Portable control unit
• Redundant antennas
• SCADA system and GE Fanuc PLC system at the central office site
• Hydraulic control panels for the PLEM valves
• FAD detection interface (hose leak detection)
• Commissioning, installation assistance and start-up on shore and offshore

Customer: Georgian Pipeline Co.,
Location: Offshore Black Sea, SUPSA Loading Buoy
Scope: Oil Loading Buoy Control System
Year: 1999

System featured:

• UHF transceivers at the buoy and MTU
• Calibrated load pin and transmitter
• Buoy based RTU, CAC1200
• Hazardous area certified solar power system
• Navigation aid control system
• Portable control unit
• Wind speed, sea current and sea current direction monitoring
• GE Fanuc Cimplicity SCADA system at the shore terminal control room

Customer: Shell, Sri Lanka,
Location: Offshore Colombo, Subsea system
Scope: Oil Loading Control System
Year: 1998 / 1999

System featured:

• Power line communications system, no separate communications cables needed
• CAC manufacture subsea control system electronics
• Subsea hydraulic power unit
• Subsea PLEM valve control system
• 5.5 km subsea umbilical cable
• Dual redundant GE Fanuc 90-30 PLC system topside
• Wonderware Intouch SCADA system at the shore terminal control room

Customer: KOC / Sofec Inc.,
Location: Kuwait
Scope: Calm Buoy Control System, Two Buoys
Year: 1998

System featured:

• Allen Bradley SLC series controller on each buoy
• Communications over an umbilical cable using modems
• Wonderware Intouch SCADA system
• Hydraulic control panels for the PLEM valves
• Navigation aids and associated control system interface
• Solar power system and backup diesel generator units on each buoy
• Commissioning, installation assistance and start up on shore and offshore