Master Bushing
Master Bushings and Bowls consisting of integral and
joint type. Which are used for fit various kind of slips or kelly
bushings with the rotary table opening, to hold the drilling string
| Rotary TableSize (in) | Bushing Model | Casing Size (in) | ||||||||
| 9 5/8-10 3/4 | 11 4/3-13 8/3 | 16 | 18 5/8-20 | 24 | 26 | 0 | ||||
| 17 1/2 or 20 1/2 | CU | Bushing | No. | 102 | 102 | |||||
| Bowl | No. | 1902 | ||||||||
| 26 or 27 1/2 | CU | Bushing | No. | 103 | 103 | 103 | ||||
| Bowl | No. | 105 | 104 | |||||||
| 27 1/2 | CB | Bushing | No. | 6695 | 6695 | 6695 | 6695 | |||
| Bowl | No. | 6114 | 6126 | 6127 | ||||||
| 7 1/2 or 49 1/2 | CB | Bushing | No. | 20 Bushing | 20 Bushing | 20 Bushing | 20 Bushing | 24 Bushing | 26 Bushing | 0 Bushing |
| Bowl | No. | 6114 | 6126 | 1627 | ||||||