Well Drilling Float Collar&float Shoe
Specifications
1.API standard2.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 |
|
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