cementing float shoe with double valve

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...Float Equipments Float equipments are among them that play a pivotal role in combination with cementing plugs, stage tools, bow centralizer, and scratchers as mechanical devices commonly used in running pipe and placing cement around casing. Oilfield Casing Float Equipments Features Available in 5 1/2" to 20 "sizes + any special sizes. Float shoe supplied with plunger valve......

... float collar& shoe offer dependable performance for all classes of oil and gas wells. The plunger type valves prevent cement backflow, provide casing buoyancy during run-in, and act as internal bops during the process of running and cementing the casing....

... (mm): API Standard Oilfield Cementing Tools Floating Collar Float Shoe Like the FC Float Collar, the FS float shoe also has a back-pressure valve to prevent back flow. It permits cement to run through side ports when the nose of the shoe is on the bottom....

...pressure valve sealing against pressures from blow while running the assembly and after the cementing job. Internal latch and valve are readily drillable. Its capability of back-pressure is over 25MPa. Like the Float Collar, the float shoe also has a back...