Petroleum and natural gas industries - Drilling and production equipment - Marine drilling riser couplings (ISO 13625:2002); English version EN ISO 13625:2002
Edition 2005-07

Petroleum and natural gas industries - Drilling and production equipment - Marine drilling riser couplings
Edition 2002-12

External cathodic protection of well casings; German version EN 15112:2022
Edition 2022-07

Gas infrastructure - Underground gas storage - Part 2: Functional recommendations for storage in oil and gas fields; German version EN 1918-2:2016
Edition 2016-11

Gas infrastructure - Underground gas storage - Part 3: Functional recommendations for storage in solution-mined salt caverns; German version EN 1918-3:2016
Edition 2016-11

Gas infrastructure - Underground gas storage - Part 1: Functional recommendations for storage in aquifers; German version EN 1918-1:2016
Edition 2016-11

Petroleum and natural gas industries - Design and operation of subsea production systems - Part 3: Through flowline (TFL) systems (ISO 13628-3:2000); German and English version EN ISO 13628-3:2000
Edition 2003-09

Petroleum and natural gas industries - Drilling and production equipment - Part 1: Design and operation of marine drilling riser equipment (ISO 13624-1:2009); English version EN ISO 13624-1:2009
Edition 2010-04

Petroleum and natural gas industries - Design and operation of subsea production systems - Part 4: Subsea wellhead and tree equipment (ISO 13628-4:2010 + Cor. 1:2011); English version EN ISO 13628-4:2010 + AC:2011, only on CD-ROM
Edition 2011-09

Petroleum and natural gas industries - Design and installation of piping systems on offshore production platforms (ISO 13703:2000 + Cor. 1:2002); German and English version EN ISO 13703:2000 + AC:2002
Edition 2003-06