Borehole Geophysical Instrument Water Well Downhole Logging Devices Borehole Geophysical Measurement Tools With Geophysical Logging Cable Winch Logging Probe
It is used in casing, uncasing borehole and other type borehkole. To test different physical parameters: density, resistivity, sonic, caliper, inclination and ect.
Application:
1.Borehole aquifer thickness
2.Permeability and porosity estimates
3.Borehole fluid characterization
4. Borehole liquid flow rates
5. Casing integrity and well screen location
6. Shale and clay content in well
7. Mineralized zone characterization
8. Coal borehole density and orientation
Borehole geophysical logging winch
Depth from 100m to 3000m depth
Armor cable diameter: 1/8", 3/16"
Cable drum and the level wind
Optional motor drive and controller
Speed controller provides accurate speed control
4-conductor slip ring
| Parameters |
3000m frequency control winch |
2000m frequency control winch |
1000m frequency control winch |
300m winch |
500m winch |
| Type |
GD-3000 |
GD-2000 |
GD-1000 |
GD-300 |
GD-500 |
| Dimensions |
940×800×720 |
920×680×700 |
710×620×670 |
560×490×360 |
540×400×380 |
| Weight |
150 kg |
120 kg |
110 kg |
25 kg |
18 kg |
| Motor Power |
2.2 kw |
1.5 kw |
1.1 kw |
manual |
manual |
| Pulse Number |
1 circle per 4000 |
1 circle per 4000 |
1 circle per 4000 |
|
|
| Reelable Length |
3100 M |
2200 M |
1200 M |
360 M |
550 M |
| 370 (Φ7mm rubber cable) |
| Cable core |
4core |
4core |
4core |
4core |
4core |
| Probe Name |
Usage |
| Combined Sidewall Probe |
Double-spaced compensated density (DsCD), Natural Gamma, Three direction laterolog, Caliper and Spontaneous Potential |
| Combined Density Probe |
Double-spaced compensated density (DsCD), Natural Gamma, Three direction laterolog and Spontaneous Potential |
| Combined Acoustic Wave Probe |
SP, sound velocity, acoustic amplitude |
| Combined Natural Gamma probe |
Magnetic locator, natural gamma |
| Temperature & Liquid Resistivity Combined probe |
Well temperature, liquid resistivity |
| SP, Inclination, Natural Gamma Combined probe |
SP, inclination, natural gamma |
| Digital Inclination Probe |
Inclination |
| Magnetic Susceptibility Probe |
Seeking for magnetic iron ores |
| Three-Lateral Direction Resistivity Laterolog Probe |
Determines the resistivity of rock strata. |
| Caliper Probe |
Check the integrity of well and provide additional information |
| Flow Probe |
Liquid flow |
| Natural Gamma Probe |
Nature gamma |
| Conventional Resistivity Log Probe |
SP, NR, and LR |
| Soft-Elctrode Probe |
SP, NR, LR and IP |
An instrument for measuring the resistivity of rock and ore in a borehole. When measuring resistivity, it is necessary to supply a certain current to the rock layer, and measure the potential difference between different positions of the rock layer due to the current, and then calculate the apparent resistivity. Therefore, the resistivity logging tool generally includes two parts: power supply and measurement record. Due to the influence of actual measurement conditions, the measured result is somewhat different from the actual resistivity of the rock layer, so people call such measurement result as apparent resistivity.
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