Petroleum and natural gas industries - Cements and materials for well cementing - Part 6: Methods for determining the static gel strength of cement formulations (ISO 10426-6:2008); English version EN ISO 10426-6:2008
Edition 2008-11

Petroleum, petrochemical and natural gas industries - Non-metallic materials in contact with media related to oil and gas production - Part 2: Elastomers (ISO 23936-2:2011); English version EN ISO 23936-2:2011
Edition 2012-03

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

Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods; German version EN 12842:2012
Edition 2012-11

Petroleum and natural gas industries - Equipment for well cementing - Part 3: Performance testing of cementing float equipment (ISO 10427-3:2003); English version EN ISO 10427-3:2004
Edition 2005-09

Petroleum and natural gas industries - Cements and materials for well cementing - Part 2: Testing of well cements (ISO 10426-2:2003 + Amd. 1:2005); English version EN ISO 10426-2:2003 + A1:2005
Edition 2006-02

Ductile iron and steel wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, steel, PVC-U, PVC-O, PE, fibre-cement; German version EN 14525:2022
Edition 2022-12

Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 2: Surface-drive systems (ISO 15136-2:2006); English version EN ISO 15136-2:2006
Edition 2006-09

Petroleum and natural gas industries - Equipment for well cementing - Part 2: Centralizer placement and stop-collar testing (ISO 10427-2:2004); English version EN ISO 10427-2:2004
Edition 2005-07

Cardiovascular implants - Cardiac valve prostheses - Part 2: Surgically implanted heart valve substitutes (ISO 5840-2:2021); German version EN ISO 5840-2:2021
Edition 2021-05