|
| |
特点
1．特殊扶正肋设计便于在井眼中下行
2．拖拽力小，旋转扭矩低；
3．适用于直井、大斜度井及水平井；
4．有直肋和斜肋供选择。
技术参数
|
套管规格 |
井眼尺寸 |
最大外径 |
|
in. |
in. |
mm |
in. |
|
4-1/2 |
6 |
146.1 |
5.752 |
|
5 |
6- 1/2 |
158.8 |
6.252 |
|
5-1/2 |
8-1/2 |
209.6 |
8.252 |
|
7 |
8-1/2 |
209.6 |
8.252 |
|
7-5/8 |
9-1/2 |
235 |
9.252 |
|
9-5/8 |
12-1/4 |
304.8 |
12 000 |
|
10-3/4 |
12-1/4 |
304.8 |
12.000 |
|
13-3/8 |
16 |
400 |
15.748 |
|
13-3/8 |
17-1/2 |
438 |
17.244 |
|
|
|
