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Oil & Gas
   
 
 

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Success story: Sinopec (China)

Pipeline Boosting station control system

 
 

 

 

Key customer benefits:

  • Powerful control: 10K instructions per 1ms

I. CUSTOMER ENVIRONMENT / PROJECT CONTEXT

Customer profile (*):

  • The longest Pipeline in China. From Xinjiang, West China to Shanghai, East China, 4000Km main line.
  • 120x108Nm3/a natural gas transferred
  • Pipeline diameter: 1016mm
  • Pressure: 10MPa
  • 44 Station Control System (SCS) with Hot-standby CPUs
  • 146 Remote Terminal Unit (RTU) with single CPU
  • Redundant control center in Beijing and Shanghai
  • Western Development Strategy

Customer objective and constraints (*):

  • Ensure safety
  • Control local equipment
  • Control the whole system via a control center
  • Giant process I/O: temperature, pressure, flow meter, turbine compressor, fire alarm, cathodic protection
  • Control logic and arithmetic

II. SOLUTION IMPLEMENTATION

Implementation methodology (main phases) (*):

  • Powerful functions selection
  • Redundant architecture
  • Flexible architecture
  • Opening communication protocol

Duration:

  • 2 years: 2003 to 2004

Solution overview (services, products, systems, architectures…) (*):

 

 

III. RESULTS / ACHIEVEMENT

Customer benefits (*):

Results:
  • Since initial run in 2004, 4 years of successful operation.
  • Ensures the pipeline provide stable natural gas to users.

System Function:
  • Powerful functions to meet device control and remote control requirements.
  • Stable quality: can run stable in high and low temperature at Xinjing and humid conditions in South China.
  • Redundant architecture meets the requirement of 24/7 system operation to ensure pipeline safety.

Schneider Electric differentiating values VS competitors:

  • Automatic data transfer from primary to Standby without any specific configuration.
  • All services in a “all-in-one” network.