88818621
Mar 3, 2020
Jan 26, 2021
Active Trademark
Chemical additives for oil well drilling fluids; Chemical additives for fracturing fluid for use in oil and gas wells; Chemical additives for enhancing secondary and tertiary oil recovery, improving oil and gas quality; Chemical additives for mitigating water well biofouling and general water well cleanup; Chemicals for use in the field of oil exploration and production; Chemicals used in oil drilling; Oil reclamation fluid for the separation of crude oil from soil and water; Oil-purifying chemicals; Oil-separating chemicals
Chemicals