... 2200ml/g 4.appearance:white powder Excellent PHPA in oil drilling industries1.molecular weight:15-20million 2.apparent viscosity:>10mPa.s ... Weight(million)Appearance≥35 2000≤608-12emulsionApplication1, Materials used for drilling mud additives, can reduce the friction of the drill bit ... the penetration rate and the footage, reduce the time for drilling the plug, the collapse of effective anti-wells, in ...