... Application:A. Food pharmaceutical,B. Fine chemical,C. Agriculture,D. Oil drilling, and ... gums.4. Xanthan Gum for oil drilling gradeActing as an thickener and ... applied to many industrial fields, such as oil drilling, pesticide, pottery & porcelain, printing ... produced as mud additive for oil drilling. Being an environment friendly ... -bore, prevent the damage to oil formation, and improve the efficiency ...