1. BS EN ISO 10427-2:2004. Petroleum and natural gas industries - Equipment for well cementing - Part 2: Centralizer placement and stop-collar testing

2. BS EN ISO 10427-3:2004. Petroleum and natural gas industries - Equipment for well cementing - Part 3: Performance testing of cementing float equipment

3. BS EN ISO 10432:2004. Petroleum and natural gas industries - Downhole equipment - Subsurface safety valve equipment

4. BS EN ISO 10434:2004 Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries

5. BS EN ISO 10437:2003. Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications

6. BS EN ISO 10438-1:2007. Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 1: General requirements

7. BS EN ISO 10438-2:2007. Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 2: Special-purpose oil systems

8. BS EN ISO 10438-3:2007. Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 3: General-purpose oil systems

9. BS EN ISO 10438-4:2007. Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 4: Self-acting gas seal support systems

10. BS EN ISO 10439-1:2015. Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 1: General requirements