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Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Selection of Design Coefficient of Pipeline Segment Passing Through Grade I Area of West?鄄to?鄄East Gas Pipeline III

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Key Words：West?鄄to?鄄East Gas Pipeline III；Grade I area；Design coefficient

Abstract：Most of the pipeline segment in the west of Zhongwei City in West?鄄to?鄄East Gas Pipeline III under construction by China National Petroleum Corporation basically goes in parallel with the West?鄄to?鄄East Gas Pipeline II and the total length of the pipeline segment passing through Grade I area is about 2160 km. In order to save steel and investment，increase of pipeline design coefficient in Grade I Classification 1 area from 0.72 in specified in current Chinese national standards up to 0.8 with reference of European and American standards has become of concern in natural gas industry. The Pipeline Construction Project Management Department of China National Petroleum Corporation has arranged a special topic study on increase of pipeline design coefficient in Grade I area，which will provide supports for adding relative content in revision of Chinese national standards. Discussed are such aspects as pipe manufacture，construction，operation，management in case of 0.8 pipeline design coefficient in the pipeline segment passing through Grade I Classification 1 area of West?鄄to?鄄East Gas Pipeline III and put forward are relative suggestions.