Differential Fill-up Float Shoe - SH18-DF
SledgeHammer's Differential fill up float shoe is provided with a differential valve. This kind of design maintains constant differential pressure between inside and outside of the casing because of entry of fluid through the bottom of the casing. It is ready to be running in hole. This type of filling action reduces running time of casing and reduces surge pressure on formations.
These are available in 5 1/2" to 20 "sizes + any special sizes.