CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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) | Izstrādē |
| 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 15663:2021) | Izstrādē |
| 69934 | EN ISO 11961:2018/A1:2020 | Petroleum and natural gas industries - Steel drill pipe - Amendment 1 (ISO 11961:2018/Amd 1:2020) | 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 |
| 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 |
| 69550 | EN ISO 15761:2020 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries (ISO 15761:2020) | Izstrādē |
| 69550 | LVS EN ISO 15761:2020 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries (ISO 15761:2020) | Standarts spēkā |
| 69525 | prCEN ISO/TS 12747 rev | Petroleum and natural gas industries - Pipeline transportation systems - Recommended practice for pipeline life extension | Izstrādē |
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