|
| |
特点
1. 一体式结构，强度高；
2. 通过内六方螺钉固定，紧固力更大。
技术参数
|
套管规格
|
内径
|
外径
|
|
in.
|
mm
|
in.
|
mm
|
in.
|
|
13-3/8
|
343.5
|
13.524
|
358.5
|
14.114
|
|
10-3/4
|
276
|
10.866
|
291.5
|
11.476
|
|
9-5/8
|
247
|
9.724
|
262.5
|
10.335
|
|
8-1/8
|
209
|
8.228
|
223
|
8.780
|
|
7-5/8
|
198
|
7.795
|
211
|
8.307
|
|
7
|
181
|
7.126
|
195
|
7.677
|
|
5-1/2
|
143
|
5.630
|
157
|
6.181
|
|
5
|
130
|
5.118
|
144
|
5.669
|
|
4-1/2
|
117
|
4.606
|
130
|
5.118
|
|
|
|
