|
| |
特点
1. 有直肋、螺旋肋两种形式;
2. 有铸钢、铸铝材质供选择;
3. 可用于直井、大斜度井及水平井。
技术参数
|
套管规格
|
内径
|
外径
|
|
in.
|
mm
|
in.
|
mm
|
in.
|
|
13-3/8
|
343
|
13.504
|
400
|
15.748
|
|
10-3/4
|
276
|
10.866
|
308
|
12.1626
|
|
9-5/8
|
247
|
9.724
|
308
|
12.1626
|
|
7-5/8
|
197
|
7.756
|
243
|
9.567
|
|
7
|
180
|
7.087
|
212
|
8.346
|
|
5-1/2
|
143
|
5.630
|
213
|
8.386
|
|
5
|
130
|
5.118
|
151
|
5.945
|
|
4-1/2
|
117
|
4.606
|
148
|
5.827
|
|
4
|
104
|
4.094
|
118
|
4.646
|
|
|
|