Petroleum and natural gas industries - Offshore platforms handling streams with high content of CO₂ at high pressures (ISO 17349:2016); English version EN ISO 17349:2016
Edition 2016-07

Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015); German version EN ISO 20765-2:2018
Edition 2018-12

Natural gas - Energy determination (ISO 15112:2018); German version EN ISO 15112:2018
Edition 2023-03

Measurement of gas flow by means of critical flow nozzles (ISO 9300:2022); German version EN ISO 9300:2022
Edition 2023-11

Natural gas - Calculation of compression factor - Part 2: Calculation using molar-composition analysis (ISO 12213-2:2006); German version EN ISO 12213-2:2009
Edition 2010-01

Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines (ISO 12213-1:2006); German version EN ISO 12213-1:2009
Edition 2010-01

Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications (ISO 20765-1:2005); German version EN ISO 20765-1:2018
Edition 2018-12

Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006); German version EN ISO 12213-3:2009
Edition 2010-01

Communication systems for meters - Part 1: Data exchange; German version EN 13757-1:2021
Edition 2022-10