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TCDS-UU (Logging tool)

Model id: Robertson Geologging Temperature/Conductivity with natural gamma; TCDS6875


  • electric mud resistivity or mud conductivity
  • temperature
  • total natural gamma

Purpose: absolute temperature, fluid conductivity, natural gamma

Characteristics: Conductivity range: 50 to 50,000 μS/cm


Vertical resolution:0.010 m
Typical logging speed:10.00 m/min
Maximum pressure:20.0 MPa
Maximum temperature:70℃
Required boreholefluid:
conductive liquidThe borehole has to be filled with a conductive liquid.
Type of datatransfer:
cableData are transferred in real time via a cable.
Required type of logging cable:
4 conductorA logging cable with 4 conductors.
Required cablehead:
GO4Connector according to GO 4 standard (4 conductors).
Implement search on winches with this cable head.
Type of signal:
digitalDigital signal transmission.
Acquisitionsystem (recommended):RG-UU
Length:2.35 m
Maximum diameter:0.038 m
Weight:7.7 kg
Belongs to toolstring:
standaloneA stand alone tool that cannot be integrated in a tool string.
Usage conditons:Access on inquiry with the operation organisation/contact person.

Operator and contact:

Operator:Uppsala University, Department of Earth Sciences
Contact person:Emil Lundberg
Address: Villavägen 16
752 36 Uppsala, Sweden

End of I-EDDA database record