Decision by Expert Technical Council at State Commission on Mineral Resources
Recommend the inclusion of the combined steady-state nuclear LWD tool (made by OOO NPP Energiya, LLC) in the register of technologies approved by Expert Technical Council at State Commission on Mineral Resources.


Geophysical equipment

Geophysical instrumentation manufactured by RPE Energiya, LLC (ООО «НПП Энергия»)

Key element


Neutron tubes developed by RPE Energiya, LLC (ООО «НПП Энергия») and FSUE Integrated Plant “Electrohimpribor” (ФГУП «Комбинат «Электрохимприбор»)


Pulsed neutron generators MFNG-601

Main technical specifications of pulsed neutron generator MFNG-601 (МФНГ-601), applied in borehole tool PILK-76(ПИЛК-76) to solve reservoir permeability and porosity determination tasks and also in tools APILK-160 (АПИЛК-160), APILK-102 (АПИЛК-102), APILK-90 (АПИЛК-90) and PIMS-76 (ПИМС-76).


Parameter Value Note
Diameter, length, mm 60, 1200  
Supply voltage, V DC positive, 18÷30 Selected depending on the applied borehole instrumentation – self-contained or borehole
Electric energy efficiency rate, W/neutron 16×108 Defined as electric energy, consumed by the whole neutron generator per one neutron (at output of 108 n/sec consumed power is 16 W)
Neutron maximum frequency of oscillation, Hz 20000  
Neutron minimum frequency of oscillation, Hz Continuous radiation Practically frequencies lower than 400 Hz are not applied.
Maximum ambient temperature, °C 150  
Timing capability Internal / external  
Neutron pulse leading / drop edge, μs 2/1  
Neutron pulse position stability, μs ±0.4/0.7