CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 25574 | prEN ISO 23251 | Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems | Izstrādē |
| 25561 | LVS EN ISO 23936-1:2009 | Petroleum, petrochemical and natural gas industries - Non-metallic materials in contact with media related to oil and gas production - Part 1: Thermoplastics (ISO 23936-1:2009) | Atcelts |
| 25561 | prEN ISO 23936-1 | Petroleum, petrochemical and natural gas industries - Non-metallic materials in contact with media related to oil and gas production - Part 1: Thermoplastics (ISO/FDIS 23936-1:2008) | Atcelts |
| 25534 | prEN 14919-2 | Petroleum and Natural Gas Industries - Cathodic Protection for pipeline transportation systems - Part 2: Offshore pipelines (ISO 15589-2:2004 modified) | Izstrādē |
| 25493 | FprEN ISO 13709 | Centrifugal pumps for petroleum, petrochemical and natural gas industries (ISO/FDIS 13709:2009) | Izstrādē |
| 25493 | LVS EN ISO 13709:2010 | Centrifugal pumps for petroleum, petrochemical and natural gas industries (ISO 13709:2009) | Standarts spēkā |
| 25417 | EN ISO 10426-1:2006 | Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2006) | Atcelts |
| 25417 | LVS EN ISO 10426-1:2007 | Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification | Atcelts |
| 25412 | LVS EN ISO 10414-2:2011 | Petroleum and natural gas industries - Field testing of drilling fluids - Part 2: Oil-based fluids (ISO 10414-2:2011) | Standarts spēkā |
| 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 |
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