COSL has a complete range of oil well cement additives, can meet the needs of various cementing operations. The products are widely used in offshore cementing operations in the Bohai Sea, East China Sea, and the eastern and western South China Sea, and also exported to Southeast Asia and North America. , Middle East. Products such as fluid loss additive, retarder, dispersant, etc., have wide temperature application range and excellent performance, can meet the needs of various well conditions, and are convenient for transportation, use and customer cost control.
