| Master Bushing | Casing Bushing | Roller Kelly Bushing | Rotary Slips |
| Drill Collar Slips | Casing Pipes Slips | Tong Dies |
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ROLLER KELLY BUSHINGS HEAVY DUTY PIN DRIVE & SQUARE DRIVE |
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JOTKB MODEL : 27 PDHD OR 20 PDHD :
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The JOTKB MODEL 27 PDHD OR 20 PDHD are developed for pin drive master bushing for rotary table sizes from 27-1/2" to 49-1/2" having 25-3/4" and 23" dia pin center. This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on shore drilling operations, and handle Kelly sizes from 3" to 6" Square or Hexagonal.
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| This unit will consist of the following: |
Figure No. 10 |
- Kelly Bushings complete
- Wrench
- Wiper Assembly
- Wear gauge
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JOTKB MODEL SDHD
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The JOTKB MODEL SDHD is developed for Square Drive Master Bushing for rotary table size from 27-1/2" to 49-1/2" . This unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on shore drilling operations, which handle Kelly size from 3" to 6" Square or Hexagonal. |
| This unit will consist of the following:
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Figure No. 11 |
- Kelly Bushings complete
- Wrench
- Wiper Assembly
- Wear gauge
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NOTE : Roller Assembly is common for 27" PDHD, 20 PDHD and SDHD.
(All the parts are interchangeable with Varco 27HDP, 20HDP or HDS Model for Kelly Bushing) |
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OPTIONAL PIN LOCK ASSEMBLY :
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The Optional Drive Pin Lock Assembly locks the
Kelly Bushing in the Master Bushing for use in
offshore drilling while using motion compensators.
Lock assemblies are available for the 27 PDHD
series bushing. To order with an assembly, add
"L" to the part Number of the unit. |
Figure No. 12 |
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