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Roller Kelly Bushing
Roller Kelly Bushing
Roller Kelly Bushing
Roller Kelly Bushing
Roller Kelly Bushing
Roller Kelly Bushing

Member Details

Mudanjiang,Heilongjiang,China
  • Product Details
  • Company Profile

Roller Kelly Bushing is an essential petroleum drilling tool, and can be equipped with rotary slips, so as to drive Kelly bar. The product reduces its friction with Kelly bar by the rolling of four rollers in order to prolong its life.

 Roller Kelly Bushing is an essential petroleum drilling tool, and can be equipped with rotary slips, so as to drive Kelly bar. The product reduces its friction with Kelly bar by the rolling of four rollers in order to prolong its life. The product can also fit to four-sided or six-sided Kelly bar by charging roller, and then connect it with various rotary tables, with two drive methods, namely, square drive and pin shaft driveThis unit is used for heavy duty drilling operations and high torque conditions on off shore as well as on shore drilling operations.

The Roller Kelly Bushing is simple in operation, convenient in installation and perfect in safety performance. It can be applied to rotary table from 17 1/2” to 49 1/2”, and handle kelly sizes from 3 to 6 square or hexagonal.

Specification of Roller Kelly Bushing

Kelly Size(hex/sq)

 (mm)Elevation

 (mm)Bedplate Size

Tapering

in

mm

Top

Lower

Opposite Side

Large End

3

76.2

406

356

332

φ332

13

3 1/2

88.9

4 1/4

107.95

5 1/4

133.35

6

152.4

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