Table T1. Multi-Sensor Spectral Gamma Ray Tool (MGT) specifications.
Property
Specification
Number of gamma spectrometry detectors 4
Module spacing (m) 0.64
Detectors type and dimensions (in) NaI (TI), 4 x 2
Spectral measurement range (MeV) 0.2–3.0
Spectral resolution (keV) 40
Tool length (m) 6.6
Tool diameter without centralizers (in) 3.375
Maximum cable length (ft) 28,000
Maximum ambient temperature (ºC) 100
Maximum pressure (psi) 20,000
Power requirements AC; 47–63 Hz; 160–250 V
Power consumption (W) 30