DSH Portable Engineering Logging System

DSHS-1 Portable Engineering Logging System

Technical Parameters

1. Single-transmission and double-receiving non-orientation survey

2. Measurement range: 1000~7000m/s

3. Transmission period: 106ms

4. Transmission sound wave frequency: 20KHz±5KHz

5. Scale precision: 1%

6. Source distance: 0.5M; space distance: 0.2M

7. Frame size: 50*1650mm

8. Weight: 5Kg

9. Endured pressure: 5Mpa

10. Working temperature: -10°C~70°C

Function :

Rock nature partition and determine rock layer porosity, air layer judgment and fissure detection; can determine rock aquifer saturation.

A-JD-1A Electrode Serial Probes

Applications: penetrated rock layer partition and determine invaded zone resistivity.

determine rock layer thickness, stratum water resistivity, estimate mud content

Functions:

 potential resistivity, grads resistivity, measured parameters, and natural potential

Technical Parameters

1. Resistivity measurement range: 0~10KΩm

 2. Measurement sensitivity: 0.04Ωm

 3. Scale precision error: <5%

4. Outside frame size: 38*950mm

5. Weight: 2Kg

6. Endured pressure: ≥5Mpa

7. Working temperature: -10°C~70°C

A-WX3521 Well Temperature, 3-Direction Combination Probes

Technical Parameters

1. Temperature sensitivity (16 digits A/D) sampling: superior to 0.2°C/bit

2 Well temperature measurement range: -10°C~+150°C

3. Temperature feeling time: <3s

4. Well temperature stability error: <1%

5. Well temperature scale error: <±0.5°C

6. 3-direction resistivity measurement range: 0~10KΩm(adjustable)

7. Resistivity sensitivity (16 digits A/D) sampling: <0.1Ωm

8. Resistivity stability error: <5%

9. Resistivity measurement precision error: <5%

10. Digital transmission: 8bit

11. Frame size: 40*1415mm

12. Weight: 3.4Kg

13. Endured pressure: ≥5Mpa

14. Working temperature: -10°C~60°C

Functions:

the parameter of well temperature is geothermal survey to explore geothermal resource, determine mineral layer location in hydrogeology and sediment study, 3-direction resistivity is fit for rock high resistivity thin layer combination or alternation layers with complex structure.

A-J3511 Well Diameter Probes

Technical Parameters

1.Measurement range: 40mm~300mm

2. Output signal: 0~9VDC

3. Sensitivity: 1mm

4. Scale accuracy: ≤3mm

5. Frame size: 40*1320mm

6. Weight: 3.3Kg

7. Endured pressure: ≥ 5 Mpa

8. Working temperature: -10°C~+60°C Functions:

Realize integrality and offer compensation evidence for other logging data interpretation.

A-M3521 Combination Density Probes

Technical Parameters

1. Working source intensity: 10mCi137 Cs isotopes, long and short source distance and natural gamma probe all use.

2. Flickering body: Nal (T1), 23*60mm

3. Photoelectricity multiplying tube: GDB23

4. Counting range: 0~32000cps

5. Long source distance: 400~500mm adjustable

6. Short source distance: 50~350mm adjustable

7. Density measurement range: 1~4g/cm3 (demarcating can reach: 2.8g/cm3)

8. Natural γ measurement range: 1~10000API

9. Tri-direction resistivity measurement range: 0~2KΩm (be adjustable within 0~10 KΩm)

10. Scale accuracy error: <5%

11. Stability: the output change is no more than 5% in continuous work

12. Main electrode length: 25mm, total length of electrode: 455mm

13. Spontaneous potential measurement range: -2V~2V

14. Measurement accuracy: ±2.5mV

15. Data transmission: 8 digits data serial port output

16. Outside dimension: 40*1495

17. Weight: 5Kg

18. Endured pressure: ≥5Mpa

19. Working environment temperature: -10°C~70°C

Functions:

measured parameters: natural γ; SP; tri-direction resistivity; long &short source distance Advantages:

1: especially fit for dry holes.

2: applies density compensation to divide rock layer and determine rock porosity and size density;

3:uses natural γ to identify rock nature and divide stratum.

4: Quantitatively estimate shale content in coal logging and distinguish rock and shale layer.

5: Be used to appraise radioactive ores containing potash or uranium, and determine non-radioactive ores like halite, anhydrite and gesso etc.

A-JQX-2 Inclinometer Probes

Technical Parameters

1. Vertex angle: 0~60°

2. Vertex angle precision: ≤0.1°

3. Azimuth angle range: 0~360°

4. Azimuth angle precision: a. ±4° (vertex angle>3°)                b. ±6° (2°≤vertex angle≤3°)

5. Outside dimension: 2*980

6. Weight: 2Kg 7. Endured pressure: ≥5Mpa 8. Working environment temperature: -10°C~70°C Functions:

Vertex angle and azimuth angle measurement of various geological drilling (no magnetic or far away from magnetic abnormity)