CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 72756 | LVS EN ISO 10423:2022 | Petroleum and natural gas industries - Drilling and production equipment - Wellhead and tree equipment (ISO 10423:2022) | Standarts spēkā |
| 24634 | EN ISO 13503-5:2006 | Petroleum and natural gas industries - Completion fluids and materials - Part 5: Procedures for measuring the long-term conductivity of proppants (ISO 13503-5:2006) | Standarts spēkā |
| 68986 | LVS EN ISO 35101:2020 | Petroleum and natural gas industries - Arctic operations - Working environment (ISO 35101:2017) | Standarts spēkā |
| 68983 | LVS EN ISO 35103:2020 | Petroleum and natural gas industries - Arctic operations - Environmental monitoring (ISO 35103:2017) | Standarts spēkā |
| 78526 | LVS EN ISO 23936-4:2025 | Oil and gas industries including lower carbon energy - Non-metallic materials in contact with media related to oil and gas production - Part 4: Fiber-reinforced composite (ISO 23936-4:2024) | 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 |
| 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 |
| 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 |
| 25227 | LVS EN ISO 20312:2012 | Petroleum and natural gas industries - Design and operating limits of drill strings with aluminium alloy components (ISO 20312:2011) | Standarts spēkā |
| 23473 | LVS EN ISO 13628-4:2011 | Petroleum and natural gas industries - Design and operation of subsea production systems - Part 4: Subsea wellhead and tree equipment (ISO 13628-4:2010) | Standarts spēkā |
Displaying 201-210 of 878 results.