CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 156 | prEN ISO 10407-2 | Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements (ISO/FDIS 10407-2:2008) | Izstrādē |
| 155 | prEN ISO 10407-1 | Petroleum and natural gas industries - Drilling and production equipment - Part 1: Recommended practice for drill stem design and operating limits | Izstrādē |
| 25534 | prEN 14919-2 | Petroleum and Natural Gas Industries - Cathodic Protection for pipeline transportation systems - Part 2: Offshore pipelines (ISO 15589-2:2004 modified) | Izstrādē |
| 178 | prEN 14919-1 | Petroleum and natural gas industries - Cathodic protection of pipeline transportation systems - Part 1: On-land pipelines (ISO 15589-1:2003 modified) | Izstrādē |
| 34803 | prEN 14870-3 rev | P&NGI - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges (ISO 15590-3 : 200X modified) | Izstrādē |
| 74994 | prEN 14870-2 rev | Petroleum and natural gas industries — Induction bends, fittings and flanges for pipeline transportation systems — Part 2: Fittings (ISO 15590-2:2021 modified) | Izstrādē |
| 34802 | prEN 14870-2 rev | P&NGI - Induction bends, fittings and flanges for pipeline transportation systems - Part 2: Fittings (ISO 15590-2 : 200X modified) | Izstrādē |
| 28561 | prEN 14163 rev | P&NGI - Pipeline transportation systems - Welding of pipelines (ISO 13847 : 200X modified) | Izstrādē |
| 71731 | prEN 14163 | Petroleum and natural gas industries - Pipeline transportation systems - Welding of pipelines (ISO 13847:2013, modified) | Aptauja slēgta |
| 65478 | prEN 14161 rev | Petroleum and natural gas industries - Pipeline transportation systems (ISO 13623:2009 modified) | Izstrādē |
Displaying 91-100 of 871 results.