Petroleum and natural gas industries - Casing centralizers - Part 1: Bow-spring casing centralizers (ISO 10427-1:2001); German and English version EN ISO 10427-1:2001— 30 стр.
Petroleum and natural gas industries - Steel pipes for use as casting or tubing for wells (ISO 11960:2001 + Cor. 1:2002); German and English version EN ISO 11960:2001 + AC:2002— 249 стр.
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— 20 стр.
