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.
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.
规格 |
13 3/8″ |
10 3/4″ |
9 5/8″ |
8 1/8″ |
7 5/8″ |
7″ |
5 1/2″ |
5″ |
4 1/2″ |
内径,mm |
338 |
272 |
245 |
206 |
193 |
177 |
139 |
126 |
114 |
外径,mm |
350 |
284 |
257 |
218 |
285 |
189 |
151 |
138 |
126 |
止动力,KN |
40 |
40 |
40 |
30 |
30 |
30 |
30 |
24 |
24 |