Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2000); German version EN ISO 10426-1:2000— 45 стр.
Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests (ISO 13500:2008); English version EN ISO 13500:2008— 97 стр.
Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2005); English version EN ISO 10426-1:2006— 45 стр.
Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2005); English version EN ISO 10426-1:2006— 45 стр.