Adjustable Roller Centraliser

Reduce toolstring friction with the DTI Roller Centraliser.

Multiple DTI Roller Centralisers are placed in the toolstring to reduce friction and enable wireline tools to operate in highly deviated wells. DTI Roller Centralisers can be used in combination with Low Friction Jars and Roller Stems to maximise performance.

The DTI Adjustable Roller Centraliser arm expanded OD can be adjusted by rotating an external adjusting nut and roller wheels contract to pass through reduced diameters. 

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  • Minimise toolstring friction in highly deviated wells
  • Reliable
  • Adjustable to suit the completion
  • Will pass through small restrictions
  • Available in alternate diameters

DTI offer alternate sizes, materials and thread connections. Please contact us for more information.

Part NumberFish NeckOutside DiameterStandard ConnectionWill Pass I.D.Arm Reach
**PARC-2781.375"1.75"15/16 UN2.313"6.00"
**PARC-3501.750"2.25"1 1/16 UN2.750"6.50"
**PARC-4501.750"2.75"1 1/16 UN3.250"7.00"
**PARC-5502.313"3.65"1 9/16 UN4.125"8.50"

Adjustable Roller Centraliser

PARC

Reduce toolstring friction with the DTI Roller Centraliser.

Multiple DTI Roller Centralisers are placed in the toolstring to reduce friction and enable wireline tools to operate in highly deviated wells. DTI Roller Centralisers can be used in combination with Low Friction Jars and Roller Stems to maximise performance.

The DTI Adjustable Roller Centraliser arm expanded OD can be adjusted by rotating an external adjusting nut and roller wheels contract to pass through reduced diameters. 

Features and Benefits

  • Minimise toolstring friction in highly deviated wells
  • Reliable
  • Adjustable to suit the completion
  • Will pass through small restrictions
  • Available in alternate diameters

Data Table

Part NumberFish NeckOutside DiameterStandard ConnectionWill Pass I.D.Arm Reach
**PARC-2781.375"1.75"15/16 UN2.313"6.00"
**PARC-3501.750"2.25"1 1/16 UN2.750"6.50"
**PARC-4501.750"2.75"1 1/16 UN3.250"7.00"
**PARC-5502.313"3.65"1 9/16 UN4.125"8.50"

Product Customisation

DTI offer alternate sizes, materials and thread connections. Please contact us for more information.