Nanjing Chemical Construction Co., Ltd. was established since April 1956, and was the former Shaft Engineering Company directly under the Construction Bureau of Ministry of Heavy Industry, the No.5 Engineering Company under Chemical Ministry, the No.8 Chemical Construction Company under Chemical Min
NCC has been rewarded for straight 20 years as Contract Honoring and Creditable Enterprise with AAA Credibility and A Tax-paying Credibility by the government department of Industry and Commerce. NCC head office has 11 functional departments and has 31 regional sub-company, project management team,
Chinese Construction Luban Prize (National Excellent Project) 300kt/a Ethylene Plant of YPC is a national key construction project. The cracking furnace, quenching unit, compression area, cold area, hot area, cracking gasoline hydrogenation area, finished product tank farm, cooling tower, wastewater
Over the past 50 years, NCC has undertaken over 600 large and medium size projects at home and overseas with our footprints left all over 29 Provinces, Municipalities or Autonomous Regions at home and more than ten countries across the Asian, African and European Continents. NCC is a National Excell
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Tel:(025)57791561 Fax:025-57794567 Zip:210044 Address:No. 229 Yangxin Road, Luhe District, Nanjing, China E-mail:zjb@njncc.com
The long-distance directional drilling of Guoxin Huai’an Natural gas pipeline achieved a great success
In the early morning of 1:45 on Match 16, a good news came from Guoxin Huai’an Natural gas pipeline project site that the 18-kilometer-long pipeline successfully cut through Huaihe River Sea-entering Channel and Subei General Irrigation Canal at one time. It only took 15 hours to finish the whole process ,which was 11 hours less than the original plan.
It is reported that the long-distance natural gas pipeline was a high-pressure pipeline with design pressure of 63km and diameter of φ519 . The pipeline of section II constructed by NO.16 Branch Company was 12km. And 1.8km of that pipeline which cut though the Huaihe River Sea-entering Channel and Subei General Irrigation Canal was constructed in the way of directional drilling and dragging pipe, which is the key and difficult point of the project. The data shows that such long directional drilling construction is the fifth length in Jiangsu province, even not common across the country. Under all the staff’s efforts, Guoxing Huaian Natural Gas Pipeline Project finally succeeded after conquering so many unfavourable factors such as maximum depth of -13m and uneven soil quality of calcareous sandstone mixed clay.
Wu Kui
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