Pin Drive Roller Kelly Bushings
group nameWellhead Tools
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Min Order1 piece
modelpin
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update timeMon, 08 Apr 2013 00:12:58 GMT
Paramtents
Processing Type Casting
Machine Type Drilling Equipment
drive type pin&square
Type Drill Pipe
Use Well Drilling
Certification API
Packging & Delivery
Min Order1 piece
Briefing
1.styles:square and pin
2.API Spec.7K
Detailed
Roller Kelly Bushings:
1.styles:square and pin
2.API Spec.7K
Roller Kelly Bushings
The Pin Drive Roller Kelly Bushing provides the following advantages:
1.Pulling out or feeding off string can be done while rotating;
2.Because of its integral construction, it cannot fly out and hurts you;
3.The bushing is easily installed into the master bushing, maintaining good alignment;
The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate.
Kelly Size | Rotary Table | Drive Hole Dia | Center Distance of the Drive Hole |
133.4(5-1/4") | 952.5(37-1/2") | 86.2(3-25/64") | 654(25-3/4") |
