Products

Borehole Logging Systems

Induction Conductivity

H3I-453
H4I-453
HI-381
HI-453, HI-453E
HI-453F
HII-383
HII-453

Magnetic Susceptibility

HM-453, HM-383, HM-320
HM-453E, HM-383E
HM-100
HMM-453
HMG-453

Combined probes

HMI-453, HMI-453E

Other probes

HC-380
HC-380C
HC-453, HC-453a
HC-454
HRT-381
HF-380
HGSPR-380
HF-500
HN-453
HFN-381
HGG-453
HDG-453
HLG-382

Other products

BHC-200
Geo set HDS-600
Portable Winches
Portable Logging System
Cameras

Accessories

AH-30, AH-150

Logging instruments

Guard Conductivity & Natural Gamma Probe HLG-382

The guard conductivity channel of the probe HLG-382 is designed for focused conductivity measurement in uncased boreholes filled with conductive fluid. The probe is capable of providing data under conditions where conventional logs show poor results - high borehole fluid salinity and high formations resistivity.
Thank to good vertical and depth resolution the probe is predetermined to indicate fractures, permeable zones, provide data on formation water quality and enable strata correlation between boreholes.
The resonse of the HLG-382 probe is practically instantenous (< 0.5 sec).
Natural gamma channel finds wider use, as it gives data in drillholes of any conditions (dry, cased, etc). It is an excellent indicator of lithology and it has a sharp thin-bed response.
The gamma channel can be specifically calibrated in terms of ore grade uranium content.
It is possible to implement fluid resistivity and temperature channels to form the probe of similar dimensions designated HLGRT-382. Resistivity and temperature is measured when the probe goes down, conductivity and natural gamma while the probe moves up.

Guard Conductivity & Natural Gamma Probe HLG-382

Probe Parameters

Diameter 38 mm
Length 83 cm
Weight 3 kg
Max. Working Temperature/Pressure 70°C/15 MPa
Min. No. of Cable Conductors 2
Supply Voltage Range 20 – 45 VDC
Max./Nominal Current Consumption 160/45 mADC

Gamma Channel

Detector NaI(Tl)
Size f20 × 50 mm
Energy Range 40 – 2700 KeV

Conductivity Channel

Sense Electrode Size 10 cm
Guard Electrode Size 60 cm
Excitation 250 Hz - 9 V
  positive SW
Conductivity Range 0.1 – 200 mS/m
Accuracy 5% FSD
Communication (positive pulse) 0 – 50 000 cps

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