BRIGEHEAL
Filed: October 16, 1968
WELLBORE FLUID ADDITIVES AS BLENDS OF LIGNOSULFONATES, CARBOHYDRATES AND CARBONATES USED TO PREVENT LOST CIRCULATION AND…
Owned by: CHEMICAL ADDITIVES COMPANY
Serial Number: 72309746
BEX
Filed: October 16, 1968
WELLBORE FLUID ADDITIVES IN THE FORM OF NON-COMPLEXING BLENDS OF SYNTHETIC POLYMERS AND CARBONATES USED TO CONTROL THE VISCOSITY…
Owned by: CHEMICAL ADDITIVES COMPANY
Serial Number: 72309747
HEAL-S
Filed: October 16, 1968
WELLBORE FLUID ADDITIVES AS BLENDS INCLUDING LIGNOSULFONATES AND CALCIUM CARBONATES USED TO CONTROL THE FLUID LOSS PROPERTIES…
Owned by: CHEMICAL ADDITIVES COMPANY
Serial Number: 72309748
PERFHEAL
Filed: December 12, 1968
WELLBORE FLUID ADDITIVES AS BLENDS CONTAINING LIGNOSULFONATES AND SIZED CARBONATES USED TO PREVENT DAMAGE TO PRODUCING ZONES…
Owned by: CHEMICAL ADDITIVES COMPANY
Serial Number: 72314315
EMULGO
Filed: August 26, 1970
WELLBORE FLUID ADDITIVES USED TO PREPARE EMULSIONS WITH DESIRABLE VISCOSITY AND FLUID LOSS PROPERTIES
Owned by: CHEMICAL ADDITIVES COMPANY
Serial Number: 72369081
SLUGGIT
Filed: August 26, 1970
GRANULA INORGANIC CHEMICAL MATERIAL ADDED TO WELLBORE FLUIDS FOR BRIDGING FORMATION VOIDS
Owned by: CHEMICAL ADDITIVES COMPANY
Serial Number: 72369082
