Petroleum and natural gas industries - Completion fluids and materials - Part 5: Procedures for measuring the long-term conductivity of proppants (ISO 13503-5:2006); English version EN ISO 13503-5:2006
Edition 2006-10

Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 2: Fittings (ISO 15590-2:2003 modified); English version EN 14870-2:2004
Edition 2005-11

Petroleum and natural gas industries - Pipeline transportation systems - Welding of pipelines (ISO 13847:2000, modified); German version EN 14163:2001, text German and English
Edition 2002-09

Petroleum and natural gas industries - Drilling and production equipment - Hoisting equipment (ISO 13535:2000); German version EN ISO 13535:2000 (German and English texts)
Edition 2002-11

Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO 13503-3:2022); English version EN ISO 13503-3:2022
Edition 2022-10

Petroleum, petrochemical and natural gas industries - Qualification testing and acceptance criteria for protective coating systems under insulation (ISO 19277:2018); English version EN ISO 19277:2018
Edition 2019-03

Petroleum and natural gas industries - Subsurface safety valve systems - Design, installation, operation and redress (ISO 10417:2004); English version EN ISO 10417:2004
Edition 2005-07

Petroleum and natural gas industries - Drilling and production equipment - Drilling and well-servicing structures (ISO 13626:2003); English version EN ISO 13626:2004
Edition 2005-09

Petroleum and natural gas industries - Downhole equipment - Packers and bridge plugs (ISO 14310:2008); English version EN ISO 14310:2008
Edition 2009-03

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 2: Single layer fusion-bonded epoxy coatings (ISO/DIS 21809-2:2020); English version prEN ISO 21809-2:2020
Edition 2021-01