Technical Parameters
钻铤卡瓦型号slip type |
钻铤外径drill collar OD |
重量weight |
配用内衬号insert bowl No |
||
in |
mm |
kg |
Ib |
||
DCS-S |
3-46 3/4-8 1/4 |
76.2-101.6 |
51 |
112 |
API or No.3 |
4-4 7/8 |
101.6-123.8 |
47 |
103 |
||
DCS-R |
4 1/2-6 |
114.3-152.4 |
54 |
120 |
|
5 1/2-7 |
139.7-177.8 |
51 |
112 |
||
DCS-L |
6 3/4-8 1/4 |
171.7-209.6 |
70 |
154 |
|
8-9 1/2 |
203.2-241.3 |
78 |
173 |
||
8 1/2-10 |
215.9-254 |
84 |
185 |
No.2 |
|
9 1/4-11 1/4 |
235-285.7 |
90 |
198 |
||
11-12 3/4 |
279.4-323.9 |
116 |
256 |
No.1 |
|
12-14 |
304.8-355.6 |
107 |
237 |