SJT-AA

Auxiliary Swivel Joint Tool

SJT-AA
Swivel Joint Tool
SJT-AA.png

 

 

PART No: 13200 – 4601

DESCRIPTION

The Swivel Joint Tool (SJT) allows free rotation between the upper and lower head while maintaining an electrical connection with the surface logging system. The unit is pressure balanced and oil-filled to avoid increases in seal friction at high pressures and temperatures.
The SJT top and bottom sub-assemblies connect via a shaft free to rotate on bearings that support both vertical and lateral forces. Rotating low resistance contacts maintain electrical continuity of both conductor and armor. A sliding sleeve relieves internal pressure changes caused by well pressure or expansion of filling oil due to rising temperature. This prevents seal friction increases and minimizes rotational resistance.
The SJT is normally mounted at the cable head, but can be placed elsewhere in the tool string.
 

SPECIFICATIONS

Parameter
English
Metric
Pressure
20,000 PSI
1,379 bar
Temperature
350° F
177° C
Weight
80 lbs
36.29 kg
Tool Length
3.6 ft
1.09 m
Transport Length1
5.4 ft
1.65 m
Tool OD
3.625 in
9.2 cm
1 From end of top thread protector to end of bottom thread protector.

COMBINABLE WITH

The SJT is run below the Cable Head and above the AMT and GRT.

REMARKS

For information on Parts, Test, Calibration and Accessory equipment available for the SJT-AA, contact  your Tucker Technologies Technical Sales Representative.
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