drilling bentonite

RequirementStandardSuspension properties Viscometer dial reading at 600r/min Min.30 Yield point/plastic viscosity Ratio Max.3 Filtrate volume Max.15.0 cm3 Residue of diameter greater than 75um Max.mass fraction 4.0% Moisture Max.13% Our drilling with sodium, calcium bentonite strict implementation of the Chinese National Standards: has a good suspension, thixotropy and filtration a small amount of mud performance is good, the preparation of convenient, easy to adjust the drilling fluid weight and other characteristics, is essential for deep and ocean drilling an ideal base material.