• GRIFCO-5050 Rotary Sub(RS)
  • GRIFCO-5050 Rotary Sub(RS)

GRIFCO-5050 Rotary Sub(RS)

Number of thru wires31

Contact Resistance≤0.2Ω


General description
The bottom part of GRIFCO-5050 Rotary Sub can rotate independent of the upper part, yet ensuring electric connectivity and continuity in any position by means of an internal slip-ring. It can reduce the torsion of downhole tools, protecting the thread connections, prolonging the life of the logging cable and enhance recording reliability of pad and caliper tools.


Number of thru wires


Contact Resistance


Mechanical Specifications          

Tool OD



11,060 mm (41.73")

Tool Weight

42Kg (92.6Lbs)

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