CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 28369 | EN ISO 13680:2000/AC:2007 | Petroleum and natural gas industries - Corrosion-resistant alloy seamless tubes for use as casing, tubing and coupling stock - Technical delivery conditions (ISO 13680:2000/Cor 1:2002 and Cor 2:2004) | Atcelts |
| 28369 | LVS EN ISO 13680:2002 /AC:2008 | Petroleum and natural gas industries - Corrosion-resistant alloy seamless tubes for use as casing, tubing and coupling stock - Technical delivery conditions | Atcelts |
| 28556 | EN ISO 28781:2010 | Petroleum and natural gas industries - Drilling and production equipment - Subsurface valves and related equipment (ISO/DIS 28781:2009) | Izstrādē |
| 28556 | LVS EN ISO 28781:2011 | Petroleum and natural gas industries - Drilling and production equipment - Subsurface barrier valves and related equipment (ISO 28781:2010) | Standarts spēkā |
| 28558 | EN ISO 27627:2014 | Petroleum and natural gas industries - Aluminium alloy drill pipe thread connection gauging (ISO/DIS 27627:2010) | Izstrādē |
| 28558 | LVS EN ISO 27627:2014 | Petroleum and natural gas industries - Aluminium alloy drill pipe thread connection gauging (ISO 27627:2014) | Standarts spēkā |
| 28561 | prEN 14163 rev | P&NGI - Pipeline transportation systems - Welding of pipelines (ISO 13847 : 200X modified) | Izstrādē |
| 28562 | EN 14870-1:2011 | Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends (ISO 15590-1:2009 modified) | Atcelts |
| 28562 | LVS EN 14870-1:2011 | Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends (ISO 15590-1:2009 modified) | Atcelts |
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