CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70645 | EN ISO 15156-2:2020 | 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 (ISO 15156-2:2020) | Standarts spēkā |
| 70644 | EN ISO 15156-1:2020 | Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 1: General principles for selection of cracking-resistant materials (ISO/FDIS 15156-1:2020) | Standarts spēkā |
| 70644 | LVS EN ISO 15156-1:2021 | Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 1: General principles for selection of cracking-resistant materials (ISO 15156-1:2020) | Standarts spēkā |
| 70581 | LVS EN ISO 23251:2020 | Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems (ISO 23251:2019) | Standarts spēkā |
| 70581 | EN ISO 23251:2020 | Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems (ISO 23251:2019) | Standarts spēkā |
| 70335 | LVS EN ISO 15663:2021 | Petroleum, petrochemical and natural gas industries - Life cycle costing (ISO 15663:2021) | Standarts spēkā |
| 70335 | EN ISO 15663:2021 | Petroleum, petrochemical and natural gas industries - Life cycle costing (ISO/DIS 15663: 2019) | Izstrādē |
| 69934 | LVS EN ISO 11961:2019/A1:2020 | Petroleum and natural gas industries - Steel drill pipe - Amendment 1 (ISO 11961:2018/Amd 1:2020) | Standarts spēkā |
| 69934 | EN ISO 11961:2018/A1:2020 | Petroleum and natural gas industries - Steel drill pipe - Amendment 1 (ISO 11961:2018/Amd 1:2020) | Standarts spēkā |
| 69830 | prEN ISO 10426-2 | Petroleum and natural gas industries - Cements and materials for well cementing - Part 2: Testing of well cements (ISO/DIS 10426-2:2019) | Izstrādē |
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