... Gum can be applied to many industrial fields, such as oil drilling, pesticide, pottery & porcelain, printing & dyeing, paint, paper-making, mine-extraction ... so on.It is specially produced as mud additive for oil drilling. Being an environment friendly and high efficiency mud additive, it ... % KCL, cps)> 12001640Shearing Ratio≥6.07.60 XC polymer for oil drilling