Gamma Ray Logging System

The Gamma Ray Logging System is used in exploration for uranium, potash and base metals as well as for petroleum and groundwater. The system identifies lithologies and stratigraphic correlations in boreholes, cased or uncased, liquid or air filled. For petroleum and groundwater exploration, the system provides information on the sequence of rocks in the borehole, and it can also be used to locate nonradioactive substances such as coal.

Features

• Measures the total gamma ray radiation emitted by uranium, thorium or potassium-40 present in the subsurface strata.
• Portable and hand-operated.
• Measured data points are taken in intervals and then plotted on logging forms for graphic presentation and interpretation.
• The probe is 1.5" O.D. x 28" in length, constructed of stainless steel.
• Can be used in combination with the Borehole Resistivity Systemfor amore precise determination of subsurface lithology.

Technical Specification

Instrument

• Counting Rate: 5, 10, or 20
• Display: LCD readout
• Weight: 21.5 lbs.

Cable and Reel

• Cable: 4-conductor polyethylene sheathed, ¼" diameter, 500' (500' extension cable available)
• Cable Reel: Steel and PVC. Reel turns in bronze bearings with continuous electric contacts
• Weight: 30 lbs

Scintillation Probe*

• Operating Temperature: 32° to 122° F
• Weight: 6.4 lbs.

*Scintillation probe can also be purchased separately.

Power

• Internal: Rechargeable 12 Volt battery
• External: 12V DC source
• Total Weight: 57.9 lbs

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