Advanced Borehole Logging Equipment for Accurate Fluid Resistivity Measurement
JWY-1 Temperature& Fluid Conductivity Probe
Description
Essential for detecting irregularities caused by phenomena like fluid inflow, the borehole temperature data provided by the probe plays a vital role. The probe also measures fluid conductivity, which reflects the density of dissolved minerals. In hydrogeological studies, this information helps determine the concentration of dissolved ions in underground water systems and identify areas of fluid movement within the borehole. Designed for deployment in uncased environments, the probe is compatible with water or mud as the borehole fluid medium.
Operating Conditions:Uncased;Borehole Fluid:Water or Mud.
Features & Advantages
1.
Rapid Temperature Response: The sensor utilizes a PT100 platinum resistor with a small time constant, enabling it to swiftly detect temperature fluctuations within the geological formation.
2.
High Anti-interference Capability: The sensor demonstrates robust resistance against signal jamming and interference.
Applications
•
Salinity Measurement: Used for assessing fluid conductivity to determine salinity levels.
•
Saltwater Intrusion Analysis: Ideal for studying the intrusion of saltwater into freshwater aquifers.
•
Fluid Flow Detection: Capable of identifying fluid movement in both open and cased boreholes.
•
Water Table Determination: Helps in locating the water table within geological formations.
•
Water Quality Monitoring: Useful for monitoring water wells and identifying intervals of varying water quality.
•
Geothermal Gradient Logging: Provides accurate measurements for geothermal gradient studies.
•
Temperature Compensation: Frequently employed to implement temperature compensation equations for various other logging measurements.
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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