CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 27099 | LVS EN ISO 13503-3:2006/AC:2016 | Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO 13503-3:2005/Cor 1:2006) | Atcelts |
| 24399 | LVS EN ISO 13503-3:2006 | Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines | Atcelts |
| 79412 | LVS EN ISO 13503-2:2025 | Oil and gas industries including lower carbon energy - Completion fluids and materials - Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations (ISO 13503-2:2024) | Standarts spēkā |
| 28189 | LVS EN ISO 13503-2:2007 /A1:2010 | Petroleum and natural gas industries - Completion fluids and materials - Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations - Amendment 1: Addition of Annex B: Proppand specification (ISO 13503-2:2006/Amd 1:2009) | Atcelts |
| 23221 | LVS EN ISO 13503-2:2007 | Petroleum and natural gas industries - Completion fluids and materials - Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations | Atcelts |
| 34629 | LVS EN ISO 13503-1:2012 | Petroleum and natural gas industries - Completion fluids and materials - Part 1: Measurement of viscous properties of completion fluids (ISO 13503-1:2011) | Standarts spēkā |
| 28366 | LVS EN ISO 13503-1:2005/AC:2007 | Petroleum and natural gas industries - Completion fluids and materials - Part 1: Measurement of viscous properties of completion fluids (ISO 13503-1:2003/Cor 1:2005) | Atcelts |
| 24011 | LVS EN ISO 13503-1:2005 | Petroleum and natural gas industries - Completion fluids and materials - Part 1: Measurement of viscous properties of completion fluids | Atcelts |
| 34709 | LVS EN ISO 13501:2011 | Petroleum and natural gas industries - Drilling fluids - Processing equipment evaluation (ISO 13501:2011) | Standarts spēkā |
| 27043 | LVS EN ISO 13501:2007 | Petroleum and natural gas industries - Drilling fluids - Processing systems evaluation | Atcelts |
Displaying 341-350 of 865 results.