JMZD-2D well density logging equipment analysis Density Gamma Sp Laterolog Resistivity Caliper
JMZD-2D Sidewall Density Gamma Probe
Features & Benefits
- Advanced compensation algorithms produce accurate density data even when borehole rugosity and fractures are obstacles
- Real-time Quantitative Density;Improved thin bed resolution
- Easy to calibrate with Nylon and Aluminum calibration blocks.
Applications
Density Porosity; Quantitative In-situ Density
Petrophysical Properties
Coal Quality and Delineation
Caliper Borehole Volume
Parameter
1. Source:Cesium-137
2. Laterolog-3 Electrode:Stainless Steel Electrode
3. Focusing Electrode Length:2L=2×0.6m; Main Electrode Length:L0=0.06m
4. Spontaneous Potential (SP) Electrode:Pb Electrode
5. Natural Gamma Sensor:NaI Crystal,Scattering Sensor:NaI Crystal
6. Counter Range:Caliper:60~300mm,5%;
Spontaneous Potential (SP): ±1200mV,5%;
Laterolog-3 Resistivity:1.2~1.2×105Ωm,5%;
Natural Gamma:0~32768cps;
LSD (long-spaced density):0~32768cps;
SSD (short-spaced density):0~32768cps;
Compensated density (dual density):1~~3 g/ cm,3%
7. Device Power:>10kg
8. Environmental:≤75ºC,20MPa
9. Signal:Bipolar Codes
Parameters of Borehole Geophysics Logging
Water Well Logging Equipment, Geo Logging Equipment
| 12bit A/D Conversion, Program-Controlled Magnification |
K=0.5~128 |
| Counting Channel |
f≤500KHz |
| Digital Signal Transmission Frequency |
9600bit/s |
| Power Supply Cycle |
400ms |
| Current |
2mA~500 mA Optional |
| Signal Input Range |
≤±10V |
| Continuous Working Time |
≤24 hr |
| Power Consumption |
<200W |
| Volume |
420×260×210mm |
| Weight |
<7Kg |
| Working Temperature Range |
-10ºC~ +50ºC |
| Working Power Supply |
AC220V±10% 50Hz ±5% |
| Logging Speed |
0~30 m/min Adjustable (as per sampling interval) |
System Composition of Borehole Geophysics Logging
Water Well Logging Equipment, Geo Logging Equipment
| No. |
Name |
Qty |
| 1 |
GDQ-2D Logging System Box |
1 |
| 2 |
Well Logging Probe |
1 |
| 3 |
Logging Winch and Logging Cable |
1 |
| 4 |
Drilling Mouth Pulley |
1 |
| 5 |
Depth Encoder |
1 |
| 6 |
Laptop (Optional) Printer (Optional) |
1 |
The probes of Borehole Logging Downhole Caliper Logging Groundwater Logging Borehole Gamma Logger Water Well Logging System
| Model/ Name |
Parameter to measure |
| JDX-2Dr Resistivity & Gamma probe |
SP, Apparent resistivity, natural gamma |
| JDX-3Dr Combined probe |
16"/64"resistivity, SP, natural gamma, temperature, SPR |
| JJH-2 Res/IP probe |
16"/64"resistivity, SP, IP |
| JCX3-GMD Laterology & Gamma |
Laterology-3 resistivity, natural gamma, SP |
| JCC-2A Three-component magnetometer |
Magnetic Tri-component |
| JCH-2 Magnetic susceptibility probe |
Susceptibility |
| JWY-1 Temperature & Fluid resistivity |
Temperature, fluid resistivity |
| JWL-2W Flow Combined probe |
Temperature, water level, flow |
| JJX-3DA High precision inclination probe |
Vertex angle, azimuth |
| JJY-3D Three-arm caliper |
Diameter, liquid level |
| JSS-3 Sonic probe |
Travel-time, Equation of time, Amplitude1, Amplitude2 |
| JMZD-2D Combined density probe |
Density, laterology,resisitivity, natural gamma, SP, caliper |
| JZZ-3 Neutron & gamma probe |
Natural gamma, porosity |
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