CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 73485 | EN ISO 13503-3:2022 | Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO 13503-3:2022) | Izstrādē |
| 27099 | EN ISO 13503-3:2005/AC:2007 | Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO 13503-3:2005/Cor 1:2006) | Atcelts |
| 24399 | EN ISO 13503-3:2005 | Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO 13503-3:2005) | Atcelts |
| 79412 | EN ISO 13503-2:2024 | 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 | EN ISO 13503-2:2006/A1:2009 | 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 (ISO 13503-2:2006/DAM 1:2008) | Atcelts |
| 23221 | EN ISO 13503-2:2006 | Petroleum and natural gas industries - Completion fluids and materials - Part 2: Measurement of properties of proppants used in hydraulic fracturing and gravel-packing operations (ISO 13503-2:2006) | Atcelts |
| 34629 | EN ISO 13503-1:2011 | 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 | 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 | EN ISO 13503-1:2005 | Petroleum and natural gas industries - Completion fluids and materials - Part 1: Measurement of viscous properties of completion fluids (ISO 13503-1:2003) | Atcelts |
| 34709 | EN ISO 13501:2011 | Petroleum and natural gas industries - Drilling fluids - Processing systems evaluation (ISO/DIS 13501:2010) | Izstrādē |
Displaying 751-760 of 887 results.