2010EN ISO 13500:2008/A1:2010 Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests - Amendment 1: Barite 4,1 (ISO 13500:2008/AMD 1:2010)
2009EN ISO 13500:2008/AC:2009 Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests (ISO 13500:2008/Cor 1:2009)
2008EN ISO 13500:2008 Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests (ISO 13500:2008)
2006EN ISO 13500:2006 Petroleum and Natural Gas Industries - Drilling Fluid Materials - Specifications and Tests
1998EN ISO 13500:1998 Petroleum and Natural Gas Industries - Drilling Fluid Materials - Specifications and Tests ISO 13500:1998