CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 38446 | EN ISO 17781:2017 | Petroleum, petrochemical and natural gas industries - Test methods for quality control of microstructure of ferritic/austenitic (duplex) stainless steels (ISO 17781:2017) | Standarts spēkā |
| 69423 | EN ISO 27509:2020 | Petroleum and natural gas industries - Compact flanged connections with IX seal ring (ISO/DIS 27509:2019) | Standarts spēkā |
| 33106 | LVS EN 13942:2009 /AC:2009 | Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified/Cor 1:2009) | Standarts spēkā |
| 34133 | LVS EN ISO 17078-1:2005 /A1:2010 | Petroleum and natural gas industries - Drilling and production equipment - Part 1: Side-pocket mandrels - Amendment 1 (ISO 17078-1:2004/Amd 1:2010) | Standarts spēkā |
| 27802 | LVS EN ISO 15136-1:2010 | Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2009) | Standarts spēkā |
| 32755 | LVS EN ISO 10416:2010 | Petroleum and natural gas industries - Drilling fluids - Laboratory testing (ISO 10416:2008) | Standarts spēkā |
| 27515 | EN ISO 14310:2008 | Petroleum and natural gas industries - Downhole equipment - Packers and bridge plugs (ISO/FDIS 14310:2008) | Standarts spēkā |
| 156 | LVS EN ISO 10407-2:2009 | Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements (ISO 10407-2:2008) | Standarts spēkā |
| 22700 | LVS EN ISO 21329:2005 | Petroleum and natural gas industries - Pipeline transportation systems - Testing procedures for mechanical connectors | Standarts spēkā |
| 114 | LVS EN ISO 13626:2005 | Petroleum and natural gas industries - Drilling and production equipment - Drilling and well-servicing structures | Standarts spēkā |
Displaying 111-120 of 878 results.
