Success Story: Oil & Gas

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:

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

• 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.