BRIGEHEAL

WELLBORE FLUID ADDITIVES AS BLENDS OF LIGNOSULFONATES, CARBOHYDRATES AND CARBONATES USED TO PREVENT LOST CIRCULATION AND CONTROL THE FLUID LOSS PROPERTIES OF FRESH WATER, SEA WATER, PRODUCED BRINES, SATURATED SALT BRINES AND CALCIUM CHLORIDE BRINES USED IN THE WORKOVER, DRILLING, DEEPENING AND FRACTURING OF OIL, GAS AND WATER WELLS