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 |
| 38446 | LVS EN ISO 17781:2018 | Petroleum, petrochemical and natural gas industries - Test methods for quality control of microstructure of ferritic/austenitic (duplex) stainless steels (ISO 17781:2017) | Standarts spēkā |
| 38293 | LVS EN ISO 10426-1:2010/AC:2018 | Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification - Technical Corrigendum 2 (ISO 10426-1:2009/Cor 2:2012) | Standarts spēkā |
| 99 | LVS EN ISO 13535:2003 | Petroleum and natural gas industries - Drilling and production equipment - Hoisting equipment | Standarts spēkā |
| 36619 | EN ISO 16530-1:2017 | Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance (ISO 16530-1:2017) | Standarts spēkā |
| 62224 | EN ISO 20815:2018 | Petroleum, petrochemical and natural gas industries - Production assurance and reliability management (ISO/DIS 20815:2017) | 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 |
| 38448 | LVS EN ISO 17348:2016 | Petroleum and natural gas industries - Materials selection for high content CO2 environment for casings, tubings and downhole equipment (ISO 17348:2016) | Standarts spēkā |
| 74956 | EN ISO 12736-2:2023 | Oil and gas industries including lower carbon energy - Wet thermal insulation systems for pipelines and subsea equipment - Part 2: Qualification processes for production and application procedures (ISO 12736-2:2023) | Standarts spēkā |
| 172 | EN ISO 15136-2:2006 | Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 2: Surface-drive systems (ISO 15136-2:2006) | Standarts spēkā |
Displaying 741-750 of 879 results.