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Roller Centralizer

Roller Centralizer

Roller Centralizer SITAN 4-finger roller centralizer is designed to center production logging tools accurately in vertical or deviated wells. SITAN 4-finger roller centralizer, which is made of horniness alloy, is wearable and low friction. The arms are linked to ensure accurate centering,...

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Product Details

Roller Centralizer

SITAN 4-finger roller centralizer is designed to center production logging tools accurately in vertical or deviated wells.

SITAN 4-finger roller centralizer, which is made of horniness alloy, is wearable and low friction. The arms are linked to ensure accurate centering, providing a constant radial force through the full operating diameter. The spring force can be preset. Recent tools have widened arms to minimize the risk of the tool sticking in casing splits and to help when re-entering the tubing.

SITAN 4-finger roller centralizer can be compatible with SONDEX.


Specification

Pressure (max.)

100Mpa

Materials

17-4PH

Outside diameter (closed)    

43mm

Overall length              

890mm

Make-up length             

815mm

Weight                          

7Kg               

Through resistance           

<0.5Ω

Conductor resistance to housing 

>50MΩ

Temperature range         

-30℃~175℃

Upper mechanical interface

1-3 / 16   "-12 female thread

Lower mechanical interface

1-3 / 16   "-12 male thread

End connectors (top/bottom)

4mm single conductor (male/female)


Patent certificate

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