TY - JOUR T1 - Rheological Characterization of Bentonite Dispersions with Xanthan for Oil Well Drilling Fluids JO - Materials Research A1 - Souza, Gabriel Sahade de A1 - Luporini, Samuel A1 - Rigoli, Isabel Cristina SN - 1516-1439 UL - 10.1590/1980-5373-MR-2016-0766 VL - 20 Y1 - 2017 PB - Brasil ER -