A differential fill-up float Collar is provided with a differential valve. Differential fills up Float equipment 90% casing fill up during run-in use of Differential Collar with Shoe provides additional buoyancy by allowing only 81% casing fill up further enhancing draw work efficiency. A weighted ball is dropped from the surface which converts this valve into a one-way cementing valve that allows the cement to fill up the annulus.
- Utilized for most inner string cementing applications.
- Recommended where reciprocation of the casing is not required during circulation.
- Recommended for use with Latch Down Drill Pipe Wiper Plug.
- Stab-in stinger is required.
- PDC drillable