f and polyethylene glycol peg 300 is added temperature of the solution is raised to 190 u00b0 f and mixing is continued for 1 hour or until a homogeneous solution is obtained xanvis polymer is then added to the carrier fluid ______________________________________component lbs 1a 1b 1c 1d 1e 1f______________________________________peg 300 272 3 466 4 283 5 263 5 272 3 466 4xanvis 211 5 0 211 211 211 5 0glycerin 16 3 28 0 5 3 25 25 16 3 28 0glycol 0 4 0 6 compatiblewelan gumrhamsan gum 0 12 0 25 welan gum 0 4 0 6______________________________________ glycol compatible welan gum welan gum or rhamsan gum is added to glycerin these components are mixed through a shear pump solution temperature is raised to approximately 120 u00b0 f and preheated polyethylene glycol thickened with hydroxypropyl cellulose peg 300 hpc is added temperature of the solution is raised to 190 u00b0 f and mixing is continued for 1 hour or until a homogeneous solution is obtained xanvis polymer is then added to the carrier fluid ______________________________________component lbs 2a 2b 2c 2d 2e 2f______________________________________peg 300 hpc 272 3 466 4 283 5 263 5 272 3 466 4xanvis 211 5 0 211 211 211 5 0glycerin 16 3 28 0 5 3 25 25 16 3 28 0glycol 0 4 0 6 compatiblewelan gumrhamsan gum 0 12 0 25 welan gum 0 4 0 6______________________________________ glycol compatible welan gum.