DIN EN ISO 13500:2011 石油和天然气工业.钻井液材料.规范和试验(ISO 13500-2008 + AMD 1-2010);英文版本EN ISO 13500-2008 + A1-2010,仅在CD-ROM上
Petroleum and natural gas industries - Drilling fluid materials - Specifications and tests (ISO 13500:2008 + AMD 1:2010); English version EN ISO 13500:2008 + A1:2010, only on CD-ROM