Place of Origin:
China
Brand Name:
XI'AN RIG
Certification:
API 7K
API 7K Casing Bushing Insert Bowls for Oil Drilling Rig
This bushing is an essential tool for petroleum drilling. It mates with the rotary table master bushing to drive the kelly. Fitted with four rollers, it reduces friction against the kelly during rotation and extends service life of the kelly. For square and hexagon kellys of different sizes, matching can be achieved by replacing the rollers. It is compatible with various types of rotary tables and is available in two‑rotation configurations: square‑drive type and pin‑shaft drive type. It is designed and manufactured in accordance with API Spec 7K Specification for Drilling Equipment.
| otary table size | Model | Casing Size(in) | Casing Bushing & Insert Bowl |
| 17 1/2 - 20 1/2 | CU | 2 3/8-8.5/8 | Bushing3102 + Insert Bowl 1809 |
| 9 5/8-10 3/4 | Bushing3102 + Insert Bowl 1902 | ||
| 11 3/4-13 3/8 | Bushing3102 | ||
| 27 1/2 | CUL | 2 3/8-8 5/8 | Bushing3103 + Insert Bowl 3105+1809 |
| 9 5/8-10 3/4 | Bushing3103 + Insert Bowl 3105+1902 | ||
| 11 3/4-13 3/8 | Bushing3103 + Insert Bowl 3105 | ||
| 16 | Bushing3103 + Insert Bowl 3104 | ||
| 18 5/8-20 | Bushing3103 | ||
| 27 1/2 | CB | 2 3/8-8 5/8 | Bushing6695 + Insert Bowl 6126A+6115 |
| 9 5/8-10 3/4 | Bushing6695 + Insert Bowl 6126A+6114 | ||
| 11 3/4-13 3/8 | Bushing6695 + Insert Bowl 6126A | ||
| 16 | Bushing6695 + Insert Bowl 6127 | ||
| 18 5/8-20 | Bushing6695 | ||
| 37 1/2 | 2 3/8-8 5/8 | Bushing(18.5/8-20in) + Insert Bowl 6126A+6115 | |
| 9 5 /8-10 3/4 | Bushing(18.5/8-20in) + Insert Bowl 6126A+6114 | ||
| 11 3/4-13 3/8 | Bushing(18.5/8-20in) + Insert Bowl 6126A | ||
| 16 | Bushing(18.5/8-20in) + Insert Bowl 6127 | ||
| 18 5/8-20 | Bushing(18.5/8-20in) | ||
| 24 | Bushing 11253 | ||
| 26 | Bushing 16454 | ||
| 30 | Bushing 11763 | ||
| Note: 1. Bushing(18.5/8-20in) contains CB10187,CB10188,CB10189,CB11553. | |||
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