1.name:casing float collar and float shoe 2.Grade: J55, K55, N80, P110 3.Buckle type: LTC/STC/PDC/BTC 4.Size: 5 1/2'' to 20

 1, Float collar and float shoe are one of the general necessary accessory of the under part of casing string.t he characteristic are as following :

1)      the inner component of the equipment is made up of drillable aluminium alloy2)      the equipment can be connected directly with casing.3)       eligible back-pressure air proof configuration, can reduce the resistance of grout or mud.4)      Valve seat and valve core can effectively prevent the return of mud5)      Intensity noumenon material equals to APIN-80steel grade. 

Size		outer diameter	inner diameter	least aperture parameter	Float collar	Ibf (in 2)
Float collar	5.579.62513.375	6	4.75	2	5.5	4351
		7.625	6.25	2.375	7	3626
		10.625	8.625	2.375	9.625	3626
		14.375	12.375	2.375	13.375	3626
Float shoe	5.5	6	4.75	2	5.5	4351
	7	7.625	6.25	2.375	7	3626
	9.625	10.625	8.625	2.375	9.625	3626
	13.375	14.375	12.375	2.375	13.375	3626

casing stabilizer

Main parameter		outer diameter	most start strength	least replacement strength
Casing outer diamete	well hole
5.5	7	8.5	620	620
5.5	8.5	9.25	620	620
7	8.5	9.25	1040	1040
7	9.625	10.375	1040	1040
9.625	10.75	11.5	1600	1600
13.375	17.5	18.375	2440	1220
10.75	17.5	18.375	2040	1020

API Drilling Float Shoe And Float Collar