RAC-30 | 3-1/2” Five Arm End Roller Centralizer

This 5 arm roller centralizer is designed to center logging tools accurately in vertical, deviated, or horizontal wells. This design is specifically adapted for work in horizontal wells. Two TM3 wheels on each arm pair allow the tool to roll easily in deviations up to 90 degrees. The centralizer has five sets of paired arms linked together to provide accurate centering.

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Applications

For accurate centering of logging and production tools
Used in vertical, deviated, or horizontal wells
Prevent tools from wearing
Normal or harsh environment

Features

Rated for high-temperature and high-pressure environments
Electrical feed-through enables the tool to be used at any point in the string
Five sets of arms with rollers provide a radial force and ultra low friction through the full operating diameter
Five spring loaded arms extend to fit required inner pipe diameters
Shims can be added to springs to increase centering force
Corrosion resistant alloys are used throughout the tool design
Easy to service and maintain

Specifications

Minimum Casing ID Small Wheels 8.89 cm (3.5 in) Force in 9.625” Casing without Shim
Force in 9.625” Casing with 2 Shims
100 LBS
170 LBS
Minimum Casing ID Large Wheels 12.7 cm (5.0 in) Maximum Deviation 90 Degrees
Maximum Casing ID 34.92 cm (13.75 in) Tool Length (make-up) 88.27 cm (34.75 in)
Max. Temperature 204°C (400°F) Tool Length (shipping) 96.2 cm (37.88 in)
Max. Pressure 137.9 Mpa (20 000 PSI) Tool Weight
Arms & shaft material Stainless steel Sub material TM3 & Aluminum Bronze
Top End Connector Contact Socket GO Female or SX end female Bottom End Connector Contact Pin GO Male or SX end male

 

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