Model | Drill Collar O.D. | Weight | Insert Bowl number | ||
in | mm | kg | lb | ||
DCS-S | 3 ~ 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 | 171.4 ~ 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 |