CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 37357 | prEN ISO 10424-1 rev | Petroleum and natural gas industries -- Rotary drilling equipment -- Part 1: Rotary drill stem elements | Izstrādē |
| 28761 | prEN ISO 10426-2 | Petroleum and natural gas industries - Cements and materials for well cementing - Part 2: Testing of well cements (ISO/DIS 10426-2:2010) | Izstrādē |
| 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 |
| 78 | prEN ISO 10428 | Petroleum and natural gas industries downhole equipment - Downhole equipment - Sucker rods, couplings and ancillary equipment (ISO/DIS 10428:2007) | Izstrādē |
| 79 | prEN ISO 10431 | Petroleum and natural gas industries - Pumping units - Specification (ISO/DIS 10431:2006) | Izstrādē |
| 35455 | prEN ISO 10432 rev | Petroleum and natural gas industries - Downhole equipment - Subsurface safety valve equipment | Izstrādē |
| 29879 | prEN ISO 10437 | Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications (ISO/DIS 10437:2009) | Izstrādē |
| 39023 | prEN ISO 10438-1 rev | Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 1: General requirements | Izstrādē |
| 39024 | prEN ISO 10438-2 rev | Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 2: Special-purpose oil systems | Izstrādē |
| 39025 | prEN ISO 10438-3 | Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 3: General-purpose oil systems | Izstrādē |
Displaying 781-790 of 858 results.