Specifications

1.API standard
2.The Float Collar and Float Shoe are used to guide the casing to be put into the hole

Function:

The Float Collar and Float Shoe are used to guide the casing to be put into the hole. It can adjust the floating power of the casing when casing been laid in. That is can certify to qualification of the cementing. The float collar and float shoe manufactured by our company use the spring driving back-pressure valve type. It has a high reliability.

 

Structure:

The structures are similar for float collar (see picture 1) and float shoe (see picture 2). The lower end of the float collar is the pin connection which is connected with the casing. The upper end which is used for filling the cement has a cinqfoil hole which can avoid the twist.

 

Detail Specification:

Technical specifications and parameters for Float collar & Float shoe
Specification		O.D.(mm)	Total length(mm)	I.D.(mm)	Min. Dia. (mm)	Connection Type	Affordable strength of back-pressure (Mpa)
Float collar	5	141.3	500	110	50	5 BCSG	35
	5 1/2	153.67	530	112	55	5 1/2 BCSG	35
	7	194.46	586	162.5	77	7 BCSG	35
	9 5/8	270	720	225	77	9 5/8 BCSG	35
	13 3/8	365	720	319	77	13 3/8 BCSG	35
	20	533.4	720	475	77	20 BCSG	35
Float shoe	5	140.3	495	110	50	5 BCSG	35
	5 1/2	153.67	514	122	55	5 1/2 BCSG	35
	7	194.46	533	162.5	77	7 BCSG	35
	9 5/8	269.88	550	225	77	9 5/8 BCSG	35
	13 3/8	339.7	550	319	77	13 3/8 BCSG	35
	20	534	652	475	77	20 BCSG	35