Casing cementing tool rubber plug is used for isolate the cement slurry from the drilling fluid, remove dirt from the casing wall, and bump it, indicating that the cement slurry has been completely displaced from the casing. Therefore, after injecting cement, first push it into the casing and then start replacing the drilling fluid
Other cementing tools can also be provided, such as sealing rings, rubber rings, valve bodies, and valve seats.
