Super Seal™ II Float Collar

Super Seal II float collars include an autofill feature.

Super Seal II Float CollarThe Super Seal™ II float collar includes the Super Seal™ II backpressure valve, which prevents cement pumped into the casing/wellbore annulus from re-entering the casing ID after cementing operations. The float collar is normally installed one or two joints above the float or guide shoe. All casing-size Super Seal II float collars include an autofill feature. 

This feature, installed between the valve and pressure seat, is deactivated by flow rate. The autofill feature allows wellbore fluids to enter the casing from the first joint, reducing surge pressure on the formation and reducing casing fill time from the surface. When the autofill feature is pumped loose with a high fluid rate, the float valve is returned to a dependable Super Seal II backpressure valve. The autofill feature will deactivate if the flow through the valve reaches a predetermined rate.

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