» Portable Gamma Ray
Reference: SPEC-101

Portable Gamma Ray

Portable gamma-ray spectrometers provide immediate readings at the drill site, allowing for quick decision-making. This real-time data can be crucial for adjusting drilling strategies and optimizing the exploration process.

Geofactory offers a gamma-ray spectrometry for geological core logging. This BGO 2”X 2” crystal detector and lead shielding should be used for focused measurement of cores or for stratigraphic measurements. Using internal constants based on IAEA traceable calibration pads, the Portable Gamma Logger can compute precise rock concentration of K (%), U and Th (ppm). Results are displayed immediately after end of measurements. They will be stored in the instrument and/or sent to appropriate external devices via Bluetooth or Wi-Fi. It also uses an advanced method of automatic stabilization on natural background radiation throughout its operation. This unique stabilization method eliminates the need for an additional radioactive check source. Result available in Spectral, Total and API Conversion.

SPEC-101

Detection

BGO- 51mm X 51mm, 104 cm3, with bi-alkali PMT, Shielded with 25 mm lead

Spectrometer

1024 channels, 40 Mhz DSP, Linear energy corrected, Pileup rejector. 200 ns resolution

Acoustics

Loudspeaker, 28 mm diameter and built-in microphone

Sensitivities (for surface measurements i.e 2 π geometry)

Potassium 200 cpm/% K; Uranium 18 cpm/ppm U; Thorium 8 cpm/ppm Th

Dimension / Weight

335 x 120 mm / 13.1×4.7 in (Diameter) / 9 Kg

Material

Steel and lead

FAQ’S portable gamma ray spectrometer

 

What is a Portable Gamma Ray Spectrometer in geology?

 

A Portable Gamma Ray Spectrometer is a crucial tool in geological studies for measuring natural radioactivity from subsurface formations. It specifically detects gamma radiation from elements like potassium, thorium, and uranium. These elements are key indicators of rock types and play a significant role in mineral exploration to identify valuable deposits. The data obtained from gamma-ray spectrometry, often used in conjunction with Gamma Scanning Equipment, is vital for stratigraphic correlation, helping geologists understand geological formations across different well sites. This non-destructive method is extensively used in both mining and energy sectors.

 

How accurate are the measurements?

 

The accuracy of gamma-ray spectrometer measurements is generally high, as the device is designed to detect minute variations in gamma radiation levels. Factors such as calibration, environmental conditions, and the specific spectrometer model can influence the accuracy. Regular maintenance and proper usage can ensure the spectrometer provides reliable data for geological studies, helping in precise identification of rock types and potential resource deposits.

 

What types of materials can it analyze?

 

A Portable Gamma Ray Spectrometer can analyze a wide range of geological materials. It is particularly effective in identifying and quantifying the natural radioactivity in rocks and sediments, focusing on elements like potassium, thorium, and uranium. These elements are prevalent in various rock types, and their presence can indicate the composition and quality of the geological formations. This analysis is essential for assessing the porosity and permeability of rocks, crucial for determining reservoir quality in the oil and gas sector.

 

How do I maintain the spectrometer?

 

Maintaining a Portable Gamma Ray Spectrometer involves several key steps to ensure its longevity and accuracy:

  • Regular Calibration: Ensure the spectrometer is regularly calibrated to maintain measurement accuracy.
  • Cleanliness: Keep the device clean and free from dust and debris that could affect its functionality.
  • Battery Care: Regularly check and maintain the battery to ensure the spectrometer is always ready for use.
  • Environmental Protection: Protect the spectrometer from extreme temperatures and moisture, which can damage sensitive components.
  • Software Updates: Keep the device’s software updated to benefit from the latest features and improvements.

 

Proper maintenance will ensure that the spectrometer continues to provide reliable and accurate measurements for geological studies.

 

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