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Specifications
1. API SPEC 7K Standard2. Matches with the master bushing to drive the kelly
3. Square drive and pin drive two forms
Standard: API SPEC 7K Standard
Function:
This king of bushing is the necessary product of drilling rig. It matches with the master bushing to drive the kelly. This product rotates the kelly through four rollers to reduce the friction thus extend its working life.
Usage:
This product has square drive and pin drive two forms. It can match with different type of kelly by changing the rollers. Our rotary bushing can interchange with production of National, Oilwelll, Emsco, Ideco, Gardner etc company.
Detailed specification:
Technical specification and parameters for Casing bushing | |||
Rotary Table Size (in) | Model | Casing Size (in) | Casing Bushing & Insert Bowl |
17 1/2” or 20 1/2” | CU | 11 3/4-13 3/8 | Body 3102 |
9 5/8-10 3/4 | Body 3102 w/ bowl 1902(No.2) | ||
27 1/2” | CUL | 18 5/8-20 | Body 3103 |
16 | Body 3103 w/ bowl 3104(20*16) | ||
11 3/4-13 3/8 | Body 3103 w/ bowl 3105(No.1) | ||
2 3/8-8 5/8 | Body 3103 w/ bowl 1809(No.3) | ||
27 1/2 | CB | 18 5/8-20 | Body 6695 |
16 | Body 6695 w/ bowl 6127(20*16) | ||
11 3/4-13 3/8 | Body 6695 w/ bowl 6126(No.1) | ||
9 5/8-10 3/4 | Body 6695 w/ bowl 6114(No.2) | ||
37 1/2 | CB | 30 | Body 30 |
26 | Body 26 | ||
24 | Body 24 | ||
185/8-20 | Body 20 | ||
16 | Body 20 w/ bowl 6127(20*16) | ||
113/4-133/8 | Body 20 w/ bowl 6126(No.1) | ||
95/8-103/4 | Body 20 w/ bowl 6114(N0.2) | ||
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