Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests - Amendment 1: New Clause 20 - Barite 4.10 (ISO 13500/DAM 1:2008/DAM 1:2009); English Version EN ISO 13500/prA1:2009
Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2009); English version EN ISO 10426-1:2009— 47 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.