技术参数
| 型号 | DCS-S | DCS-R | DCS-L | ||||||||
| 钻铤外径 OD | in | 3-4 | 4-4 7/8 | 4 1/2-6 | 5 1/2-7 | 6 3/4-8 1/4 | 8-9 1/2 | 8 1/2-10 | 9 1/4-11 1/4 | 11- 12 3/4 | 12-14 |
| 76.2 | 101.6 | 114.3 | 139.7 | 171.5 | 203.2 | 215.9 | 235.0 | 279.4 | 304.8 | ||
| mm | / | / | / | / | / | / | / | / | / | / | |
| 101.6 | 123.8 | 152.4 | 177.8 | 209.6 | 241.3 | 254 | 285.8 | 323.9 | 355.6 | ||
| 重量 | kg | 51 | 47 | 54 | 51 | 70 | 78 | 84 | 90 | 116 | 107 |
| lb | 112 | 103 | 120 | 112 | 154 | 173 | 185 | 198 | 256 | 237 | |
| 配用内衬号 | API or NO.3 | NO.2 | NO.1 | ||||||||
