SY/T 5946-2019
钻井液用包被抑制剂 聚丙烯酰胺钾盐
Encapsulation inhibitor for drilling fluid-Potassium hydrolyzed polyacrylamide
2019-11-04
SY/T 5660-2020
钻井液用包被絮凝剂 聚丙烯酰胺类
Macromolecular flocculants used in drilling fluid —Polyacrylamide
2020-10-23
SY/T 5661-2019
钻井液用增粘剂 丙烯酰胺类聚合物
Viscosifier for drilling fluid-Acrylamide polymers
2019-11-04