The most significant use of guar and its derivatives has been in petroleum production, specifically, the area of hydraulic fracturing. Hydraulic fracturing involves the use of high pressure to crack open hydrocarbonbearing zones. Guar is used to thicken the fracturing fluid so that it can carry graded sand into the fractured rock. The sand then serves as a proppant to keep […]

Read More

Guar and guar derivatives are used as viscosifiers and fluid loss control additives in low solid drilling muds. The most important property of guar is its ability to develop viscosity in fresh water or brine. Guar and HPG are effective fluid loss control additives due to their colloidal nature and high molecular weight. Typical use levels are from 0.14% to 0.57% by […]

Read More