CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 163 | EN ISO 14693:2003 | Petroleum and natural gas industries - Drilling and well-servicing equipment (ISO 14693:2003) | Standarts spēkā |
| 150 | EN ISO 14723:2001 | Petroleum and natural gas industries - Pipeline transportation systems - Subsea pipeline valves (ISO 14723:2001) | Atcelts |
| 28353 | EN ISO 14723:2009 | Petroleum and natural gas industries - Pipeline transportation systems - Subsea pipeline valves (ISO 14723:2009) | Atcelts |
| 36307 | EN ISO 14723:2009/prAC | Petroleum and natural gas industries - Pipeline transportation systems - Subsea pipeline valves (ISO 14723:2009) | Izstrādē |
| 79826 | EN ISO 14723:2025 | Oil and gas industries including lower carbon energy - Pipeline transportation systems - Subsea pipeline valves (ISO 14723:2025) | Standarts spēkā |
| 36615 | EN ISO 14998:2013 | Petroleum and natural gas industries - Downhole equipment - Completion accessories (ISO/DIS 14998:2011) | Izstrādē |
| 171 | EN ISO 15136-1:2001 | Petroleum and natural gas industries - Pipeline transportation systems - Welding of pipelines (ISO 13847:2000 modified) | Atcelts |
| 27802 | EN ISO 15136-1:2009 | Downhole equipment for petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO/DIS 15136-1:2008) | Izstrādē |
| 172 | EN ISO 15136-2:2006 | Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 2: Surface-drive systems (ISO 15136-2:2006) | Standarts spēkā |
| 144 | EN ISO 15138:2000 | Petroleum and natural gas industries - Offshore production installations - Heating, ventilation and air-conditioning (ISO 15138:2000) | Atcelts |
Displaying 221-230 of 887 results.