Research and production enterprise that creates special and unique methods and technologies for geophysical research of oil and gas, ore and coal wells

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TzSP-2INNK-43 Digital dual pulsed neutron-neutron logging tool

is designed for rock neutron parameters detection, oil/gas saturation estimation after some neutron lifetime (effective capture cross section Σa ) and water-saturated porosity coefficient determination (water content)


Unlike the pulsed neutron gamma-ray logging tool this apparatus is effective in high natural radioactivity rock and borehole radioactive salts.


Thermal neutron lifetime measurement range τ, microsec50 ÷ 1000
Thermal neutron lifetime measurement relative error τ, %±2
Water-saturated porosity range, %1÷ 40
Neutron generator typeNeutron generator type
Quantity/Time channel width, microsec2×64 / 40
Downhole tool supply voltage, V150
Power consumption, Wup to 50
Probe length, mm300, 600
Maximal operating temperature, °С120/150
Maximal operating pressure, MPa120
Downhole tool dimensions, mm

Weight, kgup to 25

TzSP-2INNK-43 logging tool is to be run with GECTOR, VULCAN V3 and KEDR log recorder with one-core or three-core cable.

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