GB/T 22342-2022 Petroleum drilling and production equipment—Design,installation,operation,test and maintenance of subsurface safety valve systems

GB/T 22342-2008 Petroleum and natural gas industries—Subsurface safety valve systems—Design,installation,operation and redress

GB/T 9445-1999 Qualification and certification for nondestructive testing personnel GB/T 9445-2005 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2008 Non-destructive testing—Qualification and certification of personnel GB/T 9445-2015 Non-destructive testing—Qualification and certification of NDT personnel GB/T 20972.2-2008 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons GB/T 21410-2008 Petroleum and natural gas industries—Downhole equipment—Lock mandrels and landing nipples GB/T 21410-2015 Petroleum and netural gas industries—Downhole equipment—Lock mandrels and landing nipples GB/T 28259-2012 Petroleum and natural gas industries—Downhole equipment—Subsurface safety valve equipment GB/T 9445-2024 Non-destructive testing—Qualification and certification of personnels SY/T 6671-2017 The classification recommendations for zones Ⅰ, 0, 1, and 2 of the electrical equipment in petroleum facilities as per SY/T 6671-2017 are as follows: Zone Ⅰ, 0: It is recommended to classify these areas as "Area of restricted access" or "Restricted access area" for safety reasons. Zone Ⅰ, 1: It is recommended to classify these areas as "Highly hazardous area" or "Hazardous area" based on the potential hazards present in the area. Zone 2: It is recommended to classify these areas as "Special hazardous area" or "Area of special consideration" based on the specific hazards prese SY/T 6671-2006 The recommended methods for the classification of areas in the installation zone of electrical equipment for petroleum facilities, divided into zones 1, 0, and 1-2, as per SY/T 6671-2006 SY/T 7603-2020 Petroleum and natural gas drilling and production equipment, wellhead safety control system GB/T 20972.2-2025 Petroleum and natural gas industries—Materials for use in H2S-containing environments in oil and gas production—Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons