The "Oil and Gas Field Engineering Survey Standard" is now approved as a national standard, numbered GB/T50537-2017, and will come into force on May 1, 2018. The original national standard "Code for Oil and Gas Field Engineering Survey" GB/T50537-2009 will be abolished at the same time. This standard is made public on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published and distributed by China Planning Publishing House organized by the Ministry of Standards and Quotas Research Institute. Ministry of Housing and Urban-Rural Development of the People's Republic of China October 25, 2017
GB/T 50537-2017 history
2017GB/T 50537-2017 Oil and gas field engineering measurement standards
2009GB/T 50537-2009 Code of engineering survey for oil-gas field