套管尺寸Casing OD.
in
4-1/2~5
5-1/2~6
6-5/8
7
7-5/8
8-5/8
9-5/8
10-3/4
卡瓦体总页数
Total Number of Segments
9
9
12
12
12
13
14
15
套管尺寸Casing O.D.
in
11-3/4
13-3/8
16
18-5/8
20
24
26
30
卡瓦体总页数Total Number of Inserts
17
18
21
25
26
30
33
37