FIELD: oil and gas industry.
SUBSTANCE: rocks are irradiated by pulses of a fast neutron generator, inelastic gamma ray spectrometry (IGRS) for neutrons and http://alk.pp.ru:8080/c/m.exe?t=4301645_1_2 The device for pulsed neutron logging is also claimed, and the device comprises a fast neutron generator placed in a protective casing, a scintillation gamma-ray detector coupled optically to a photomultiplier tube, a screen between the fast neutron generator and scintillation gamma-ray detector, an analogue-code converter, the central processing unit, a receiver-transmitter unit, the first and second memory units, a high-voltage software-programmable unit characterised by equipment with an auxiliary time-mode control unit for the fast neutron generator.
EFFECT: improvement of accuracy during pulsed neutron logging.
2 cl, 7 dwg
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