... industrial fields, such as food pharmaceutical, fine chemical, agriculture, oil drilling, and so on. Comparing with other kinds of gum, xanthan gum ... the pressure loss during drilling, stabilize the well-bore, prevent the damage to oil formation, and improve the efficiency of drilling, work-over ... .5Min 12.5YPMin 30Min 30Dispersibility/Max 10 lumps Xanthan gum oil well drilling