Roller Kelly bushing is
designed for driving Kelly in the drilling operation. Roller Kelly bushing can
be square drive or pin drive, by changing roller sizes, the bushing can
accommodate square kellys from 2½" to 5¼" or hex kellys from
3" to 6". HDP roller kelly bushing or HDS roller kelly bushing are
for high torque and high speed drilling operations. The rollers, roller
assemblies, and wiper assemblies of HDP roller kelly bushing are the same as
those of HDS roller kelly bushing. MDS, MDP and LDS roller kelly bushing are
used for shadow or medium depth drilling operations. Any order of roller kelly
bushing for field service is available.
|
Model
|
HDS
|
27-HDP
|
20-HDP
|
MDS
|
20-MDP
|
17-MDP
|
LDS
|
|
Applicable for
square kelly
|
3"~6"
|
3"~6"
|
3"~6"
|
2½"~5¼"
|
2½"~5¼"
|
2½"~5¼"
|
2½"~5¼"
|
|
Applicable for
hex kelly
|
3"~6"
|
3"~6"
|
3"~6"
|
3"~4¼"
|
3"~4¼"
|
3"~4¼"
|
3"~4¼"
|
|
Model of drive
|
Square
|
Pin
|
Pin
|
Square
|
Pin
|
Pin
|
Square
|
For more information, please contact with freely
Contact: Frank Email: frank@sapwells.net
Website: www.sapwells.net
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