CEN/TC 12
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 34150 | EN ISO 10440-2:2001/prAC | Petroleum and natural gas industries - Rotary-type positive-displacement compressors - Part 2: Packaged air compressors (oil-free) | Izstrādē |
| 34134 | EN ISO 17078-2:2007/prA1 | Petroleum and natural gas industries - Drilling and production equipment - Part 2: Flow-control devices for side-pocket mandrels | Izstrādē |
| 34133 | EN ISO 17078-1:2004/A1:2010 | Petroleum and natural gas industries - Drilling and production equipment - Part 1: Side-pocket mandrels - Amendment 1 (ISO 17078-1:2004/Amd 1:2010) | Standarts spēkā |
| 34133 | LVS EN ISO 17078-1:2005 /A1:2010 | Petroleum and natural gas industries - Drilling and production equipment - Part 1: Side-pocket mandrels - Amendment 1 (ISO 17078-1:2004/Amd 1:2010) | Standarts spēkā |
| 34078 | LVS EN ISO 13500:2009 /A1:2011 | Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests - Amendment 1: Barite 4,1 (ISO 13500:2008/AMD 1:2010) | Standarts spēkā |
| 34078 | EN ISO 13500:2008/A1:2010 | Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests - Amendment 1: New Clause 20 - Barite 4.10 (ISO 13500:2008/DAM 1:2009) | Izstrādē |
| 33898 | EN ISO 10407-2:2008/AC:2009 | Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements - Technical Corrigendum 1 (ISO 10407-2:2008/Cor 1:2009) | Izstrādē |
| 33898 | LVS EN ISO 10407-2:2009 /AC:2010 | Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements - Technical Corrigendum 1 (ISO 10407-2:2008/Cor 1:2009) | Standarts spēkā |
| 33812 | LVS EN ISO 28300:2008 /AC:2010 | Petroleum, petrochemical and natural gas industries - Venting of atmospheric and low-pressure storage tanks (ISO 28300:2008/Cor 1:2009) | Standarts spēkā |
| 33812 | EN ISO 28300:2008/AC:2009 | Petroleum, petrochemical and natural gas industries - Venting of atmospheric and low-pressure storage tanks (ISO 28300:2008/Cor 1:2009) | Standarts spēkā |
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