CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 35455 | prEN ISO 10432 rev | Petroleum and natural gas industries - Downhole equipment - Subsurface safety valve equipment | Izstrādē |
| 37357 | prEN ISO 10424-1 rev | Petroleum and natural gas industries -- Rotary drilling equipment -- Part 1: Rotary drill stem elements | Izstrādē |
| 24633 | EN ISO 13503-4:2006 | Petroleum and natural gas industries - Completion fluids and materials - Part 4: Procedure for measuring stimulation and gravel-pack fluid leakoff under static conditions (ISO 13503-4:2006) | Izstrādē |
| 36583 | prEN ISO 12490 | Petroleum and natural gas industries - Actuation, mechanical integrity and sizing for pipeline valves | Izstrādē |
| 35496 | EN ISO 10439-2:2015 | Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 2: Non-integrally geared centrifugal and axial compressors (ISO/DIS 10439-2:2010) | Izstrādē |
| 22699 | EN ISO 10426-4:2004 | Petroleum and natural gas industries - Cements and materials for well cementing - Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure (ISO 10426-4:2004) | Izstrādē |
| 22346 | EN ISO 21049:2004 | Pumps - Shaft sealing systems for centrifugal and rotary pumps (ISO 21049:2004) | Izstrādē |
| 69524 | prEN ISO 21329 rev | Petroleum and natural gas industries - Pipeline transportation systems - Test procedures for mechanical connectors | 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/DIS 15761:2019) | Izstrādē |
Displaying 651-660 of 887 results.