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Shiells Canyon CO2 Plant


  • New production was causing sales gas quality to decrease because of higher CO2 content.


  • A new Amine Plant was constructed (by others) to strip the CO2 out of the sales gas stream.
  • Installed a PLC to control the new Amine Plant.
  • A new HMI was installed (by others) to allow the operators to interact with the PLC and to control process conditions.
  • A new satellite-based SCADA system was installed (by others) to allow operators to remotely access remote flow meters.
  • Added a phone dialer to the SCADA system to alert operators to any alarms or abnormal process conditions.


  • Increased product quality.
  • More productive employees.


Client: Vintage Petroleum, Inc.
Location: Piru, CA

  • (1) Allen Bradley SLC 5/05
  • 160 discrete, 40 analog
  • (2) SCADA nodes - CygNet (provided by others)
Remote Alarming:
  • United Security Products AD-2000
Data Historian:
  • none
Other Components Integrated through SCADA:
  • ABB TotalFlow - 6713 flow meter
  • WindowsXP service pack 2
Networking, Protocols, and Drivers:
  • Modbus RTU
  • TCP/IP
  • EIA-568A
  • RS-232
  • RS-485
  • ABTCP (AB Ethernet driver)