CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 78 | prEN ISO 10428 | Petroleum and natural gas industries downhole equipment - Downhole equipment - Sucker rods, couplings and ancillary equipment (ISO/DIS 10428:2007) | 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 |
| 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 |
| 37357 | prEN ISO 10424-1 rev | Petroleum and natural gas industries -- Rotary drilling equipment -- Part 1: Rotary drill stem elements | Izstrādē |
| 72 | prEN ISO 10422 | Petroleum and natural gas industries - Threading, gauging and thread inspection of casing, tubing and line pipe (ISO/DIS 10422:2001) | Izstrādē |
| 62769 | prEN ISO 10417 rev | Petroleum and natural gas industries - Subsurface safety valve systems - Design, installation, operation and redress | Izstrādē |
| 35454 | prEN ISO 10417 rev | Petroleum and natural gas industries - Subsurface safety valve systems - Design, installation, operation and redress | Izstrādē |
| 25412 | prEN ISO 10414-2 | Petroleum and natural gas industries - Field testing of drilling fluids - Part 2: Oil-based fluids (ISO/DIS 10414-2:2010) | Izstrādē |
| 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 |
Displaying 81-90 of 865 results.