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Second West-East Gas Pipeline

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Projects > Pipelines

China is currently constructing a second natural gas pipeline to provide fuel from “the energy-rich West to the energy-thirsty East.”[1] The first pipeline became operational in 2004, but is incapable of keeping up with the ever-growing demand.

The original pipe extends 2,480 miles (3,991 km), traversing 10 provinces, autonomous regions, and municipalities, providing annual gas transmission of 15.6 billion cubic yards (12 billion m3).[2]

The new pipe will be 5,643 miles (9,082 km) long, including its main line and eight sub-lines.[3] It will cross 12 provinces and autonomous regions, providing annual gas transmission of 39 billion cubic yards (30 billion m3).[4]

The second pipeline’s diameter will be much larger than the first, allowing it to transport more fuel, but also resulting in higher construction costs. The first system cost US$5.7 billion,[5] while the new pipeline price is an estimated US$20 billion[6].

The project is being led by the China National Petroleum Corp. (CNPC), which is currently the country’s largest oil company.[7] Construction began in February 2008 and is scheduled for completion in 2011.[8]

[edit] Construction History

“The unbalanced distribution of natural gas resources is outstanding in the country,” said Tang Yali, vice president of the Natural Gas and Pipeline Co. under Petro China.[9]

Construction of the first West-East pipeline began in July 2002 and was completed in 2004. During that time, China became the second largest energy consumer in the world, behind the United States.

Between 2000 and 2005, China’s natural gas consumption grew at an average annual rate of 13 percent.[10] Since 2005, China has changed its natural gas consumption structure, using fuel gas to replace fuel coal. Natural gas is expected to gradually become the main fuel in the urban fuel gas market.[11] By 2010, natural gas demand in China is expected to reach 130 billion cubic yards (99 billion m3), while output will amount to 104 billion cubic yards (80 billion m3), leaving a 26 billion-cubic yard (20 billion-m3) gap.[12]

The second West-East pipeline will bring in fuel from Turkmenistan and Xinjiang Uygar Autonomous Region and deliver it to the Yangtze and Pearl River deltas. It will be the first Chinese pipeline to start in a foreign country.[13]

The new line will be constructed with X-80 pipeline steel with a diameter of four feet (1.2 m) and max pressure of 12 megapascals.[14] The Horogos-Zhongwei and Zhongwei-Jingbian segments are planned to be completed and operational by the end of 2009.[15] The Zhongwei-Guagzhou section is to be completed and operational by 2011.[16]

The completed pipeline will increase China’s natural gas consumption, while replacing 76.8 million tons of coal and reducing emissions of sulfur dioxide by 1.66 million tons and carbon dioxide by 150 million tons.[17] Ultimately, China plans to raise its ratio of natural gas consumption in relation to its energy consumption by 2.5 percentage points to 5.3 percent by 2010.[18] However, this will still be far below the international average of 25 percent.[19]

[edit] Equipment Used

[edit] References

  1. China plans second west-east gas pipeline Chinese Government Official Web Portal, March, 2006. (accessed: 2008-09-25)
  2. China plans second west-east gas pipeline Chinese Government Official Web Portal, March, 2006. (accessed: 2008-09-25)
  3. China launches 2nd West-to-East gas pipeline project. Chinese Government's Official Web Portal, February, 2008. (accessed: 2008-09-25)
  4. China launches 2nd West-to-East gas pipeline project. Chinese Government's Official Web Portal, February, 2008. (accessed: 2008-09-25)
  5. China plans second west-east gas pipeline Chinese Government Official Web Portal, March, 2006. (accessed: 2008-09-25)
  6. 2nd west-to-east gas pipeline project launched. China.org.cn, February, 2008. (accessed: 2008-09-25)
  7. China sets route for second West-East natural gas pipeline. China View, August, 2007. (accessed: 2008-09-25)
  8. China launches 2nd West-to-East gas pipeline project. Chinese Government's Official Web Portal, February, 2008. (accessed: 2008-09-25)
  9. China plans second west-east gas pipeline Chinese Government Official Web Portal, March, 2006. (accessed: 2008-09-25)
  10. Natural gas consumption grows in China. University of Alberta: China Institute, October, 2006. (accessed: 2008-09-25)
  11. 2007-2008 Annual Report on China's Natural Gas Market. Market Avenue, May, 2008. (accessed: 2008-09-25)
  12. 2007-2008 Annual Report on China's Natural Gas Market. Market Avenue, May, 2008. (accessed: 2008-09-25)
  13. China launches 2nd West-to-East gas pipeline project. Chinese Government's Official Web Portal, February, 2008. (accessed: 2008-09-25)
  14. Construction of the Second West-East Gas Pipeline Commenced. RigZone.com, February, 2008. (accessed: 2008-09-25)
  15. Construction of the Second West-East Gas Pipeline Commenced. RigZone.com, February, 2008. (accessed: 2008-09-25)
  16. Construction of the Second West-East Gas Pipeline Commenced. RigZone.com, February, 2008. (accessed: 2008-09-25)
  17. Construction of the Second West-East Gas Pipeline Commenced. RigZone.com, February, 2008. (accessed: 2008-09-25)
  18. China launches 2nd West-to-East gas pipeline project. Chinese Government's Official Web Portal, February, 2008. (accessed: 2008-09-25)
  19. China launches 2nd West-to-East gas pipeline project. Chinese Government's Official Web Portal, February, 2008. (accessed: 2008-09-25)