Summary Treatment of Mud Contaminants
The following table presents the main contaminants and the chemical treatment to be used.
CONTAMINANT
CONTAMINANT
ION
TREATMENT CHEMICAL
CONCENTRATION PER 100 ppm CONTAMINANT
Gypsum or Anhydrite
Calcium (Ca ++)
Soda ash if pH okay Sodium bicarbonate if pH too high
0.1 lb/bbl 0.15 lb/bbl
Cement