Lignosulfonates could be used in oil drilling working as deflocculants, chemicals to prevent the coagulation of solids.Lignosulfonateand Modified lignosulfonate from wood pulp provides a chemical that is stable at the high temperatures- 150 to 250 degrees F that occur in well bores during drilling. Clay minerals in drilling mud, such as bentonite,often coagulate.Lignosulfonates halt this […]