Double-Density Borehole Logging Probe
This probe is used for exploring dry boreholes. It employs compensated density to divide strata and determine rock porosity and volume density.
Technical Specifications
Overview
Double-Density Borehole Logging Probe
The Double-Density Borehole Logging Probe is a high-precision instrument engineered for demanding geological and industrial measurement environments. It features a robust design with adjustable long and short spacing capabilities, ensuring versatile data acquisition. With its advanced scintillation technology and digital output, it provides reliable density and natural gamma measurements for professional borehole logging applications.
Measurement Capabilities
Density Measuring Range
1 g/cm3
Min Density
4 g/cm3
Max Density
Natural Gamma Range
1 API
Min Gamma
10,000 API
Max Gamma
- Count Range
- 32000 cps
Technical Specifications
Spacing Configuration
| Spacing Type | Range |
|---|---|
| Long Spacing | 400 to 500 mm |
| Short Spacing | 250 to 350 mm |
Physical Dimensions and Weight
| Variant | Dimensions | Weight | Pressure Rating |
|---|---|---|---|
| Standard | Φ45×1750mm | 8.4 kg | 20 Mpa |
| 3000m Rated | Φ50×1804mm | 10.7 kg | 30 Mpa |
Components and Electronics
Core Components
- Scintillating material: Nal(T1), Φ23×60mm
- Photomultiplier Tube: GDB23
- Digital transmitter: 8-bit serial output
- Source Intensity
- 30mCi 137Cs radioisotopes
