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The casing cement-head with double plugs is a common cementing tool used as wellhead unit in all kinds of cementing operation. Comparing to cement-head with single plug, double plug cement head owns longer cement-head body , and upper rubber plug and lower rubber plug can be put in at same time. 1. The tool owns some advantages such as simple construction, easy operation, high pressure resistant, manifold in common usage. 2. Owing fast-setting connect,using join with API casing buckle and drill pipe buckle. 3. The lever type indicator can shows whether rubber plug goes through double plugs cement-head to enter casing so that operator can determine easily. 4. Fixing the balance pipe to open the bumper pin easily.