Stainless Steel Hinged Casing Centralizer
Interlocking design between the end collar
Made of alloy steel with uniform hardness
Application:For vertical and deviated applications.
Size:4-1 / 2" to 20'', custom size is avaliable.
Features of hinged centraliser
>> bow springs are slightly larger than the wellbore.
>> the highest restoring force and the lowest starting force.
>>the heat treated bows enables these centralizer to provide best centralization as well as help in faster running of casing.
>>the bows are available in a range to accommodate any well profile.
>>the end collars have hinges which makes it in two halves.This enables them to be assembled at site.
Hinged centraliser parameter:
Non welded centralizer specification(mm) |
Specification |
Bow type |
Hoop ring internal diameter(d) |
Hoop ring wall thickness(t) |
Hoop ring height(h) |
Total length(l) |
Max.O.D.Size |
Bow spring(n) |
5-1/2"*8-1/2" |
Double bow |
142-148 |
3-5 |
90-120 |
650±50 |
225±5 |
5 |
7"*9-5/8" |
Double bow |
181-186 |
3-5 |
90-120 |
650±50 |
255±5 |
6 |
7"*8-1/2" |
Single bow |
181-186 |
3-5 |
90-120 |
650±50 |
235±5 |
6 |
8-5/8"*12-1/4" |
Single bow |
223-228 |
3-5 |
90-120 |
650±50 |
330±5 |
8 |
9-5/8"*12-1/4" |
Single bow |
250-255 |
3-5 |
90-120 |
650±50 |
330±5 |
8 |
10-3/4"*12-1/4" |
Single bow |
274-276 |
3-5 |
90-120 |
650±50 |
330±5 |
9 |
13-3/8"*17-1/2" |
Single bow |
342-347 |
3-5 |
90-120 |
650±50 |
450±5 |
11 |
18-5/8"*24" |
Single bow |
476±1 |
3-5 |
90-120 |
600±50 |
610±5 |
12 |
20"*26" |
Single bow |
510±1 |
3-5 |
90-120 |
600±50 |
660±5 |
12 |
Welded centralizer specification(mm) |
5-1/2"*8-1/2" |
Single bow |
142-148 |
5-7 |
50-60 |
650±50 |
225±5 |
5 |
5-1/2"*8-1/2" |
Double bow |
142-148 |
5-7 |
50-60 |
650±50 |
225±5 |
5 |
5-1/2"*8-1/2" |
Cyclone single bow |
142-148 |
5-7 |
50-60 |
650±50 |
225±5 |
6 |
6"*8-1/2" |
Double bow |
154-118 |
5-7 |
50-60 |
650±50 |
225±5 |
5 |
13-3/8"*17-1/2" |
Single bow |
342-349 |
8 |
50-60 |
580 |
450±5 |
6 |
20"*26" |
Single bow |
510-518 |
8 |
50-60 |
650±50 |
670±5 |
10 |