The probe contains a detachable gamma source and two high-sensitivity scintillation gamma detectors. Gamma radiation from the source is backscattered by the formation (Compton effect) and reaches the two detectors where the count-rates provide an indication of formation bulk density.
Diameter: 38mm
Length: 2.27m
Weight: 7.6kg
Temperature: 0-700C (extended ranges available)
Max. pressure: 20MPa
Minerals:
-Bulk-density variations
-Lithology
-Correlation with other logs
-Bed thickness and boundary location
-Borehole inclination and true vertical depth
Engineering:
-Detection of weathered or fractured zones
-Ground compaction studies
Water:
-Location of aquifer and aquitard
Borehole type: all (qualitative measurement only)
Recommended Logging Speed: 5m/min
ID
EN