Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation; German and English version prEN 1591-1:2021
Edition 2021-05

Valves for natural gas transportation in pipelines - Performance requirements and tests; German version EN 14141:2013
Edition 2013-08

Petroleum and natural gas industries - Fixed steel offshore structures (ISO 19902:2020); English version EN ISO 19902:2020, only on CD-ROM
Edition 2021-03

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 - Arctic operations - Metocean, ice, and seabed data (ISO 35106:2017); English version EN ISO 35106:2019, only on CD-ROM
Edition 2020-01

Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2009); English version EN ISO 15136-1:2009
Edition 2010-04

Petroleum and natural gas industries - Floating offshore structures - Part 1: Ship-shaped, semi-submersible, spar and shallow-draught cylindrical structures (ISO 19904-1:2019); English version EN ISO 19904-1:2019, only on CD-ROM
Edition 2019-10

Oil and gas industries including lower carbon energy - Site-specific assessment of mobile offshore units - Part 1: Jack-ups: elevated at a site (ISO 19905-1:2023); English version EN ISO 19905-1:2023
Edition 2024-04

Oil and gas industries including lower carbon energy - Non-metallic materials in contact with media related to oil and gas production - Part 4: Fiber-reinforced composite (ISO/DIS 23936-4:2023); English version prEN ISO 23936-4:2023
Edition 2023-12

Galvanic anodes for cathodic protection in seawater and saline sediments (ISO/DIS 9351:2023); German and English version prEN ISO 9351:2023
Edition 2023-11