API Stop Collar
Hold centralizers or cement baskets on any position of casing, which ensures the positions of centralizers or cement basket to meet the design.
Size: 20", 18-5/8", 16", 14", 13-3/8", 11-3/4", 10-3/4", 9-5/8", 7-5/8", 7", 6-5/8", 5-1/2", 5", 4-1/2"
Features:
1. The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.
2. The stop collars can be installed on any position on casing to limit the axial movement of centralizers and cement baskets.
Specification(inch)
|
I.D.(mm)
|
O.D.(mm)
|
Holding Force (KN)
|
13-3/8
|
338
|
350
|
40
|
10-3/4
|
272
|
284
|
40
|
9-5/8
|
245
|
257
|
40
|
8-1/8
|
206
|
218
|
30
|
7-5/8
|
193
|
285
|
30
|
7
|
177
|
189
|
30
|
5-1/2
|
139
|
151
|
30
|
5
|
126
|
138
|
24
|
4-1/2
|
114
|
126
|
24
|