Oil Well Cement
Product
Oil Well Cement Class G, MSR and HSR Type
Standard
API SPEC Q1 and API SPEC 10 A
Product Definition
Type G cement is a product obtained as Portland cement clinker is ground with one or more types of calcium sulphate as retarder. It is primarily comprised of hydraulic calcium silicates. In the production of Type G well cement, no additives should be used other than clinker and calcium sulphate. This type of cement is mainly intended for well cement. Well cement has types such as medium sulphate resistance (MSR) and high sulphate resistance.