DSHB-1 Portable Engineering Logging System

A-S3521 Sound Wave Probes

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: ф50*1650mm
8. Weight: 5Kg
9. Endured pressure: 5Mpa
10. Working temperature: -10℃~70℃

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: φ38*950mm
5. Weight: 2Kg
6. Endured pressure: ≥5Mpa
7. Working temperature: -10℃~70℃

A-WX3521 Well Temperature, 3-Direction Combination Probes

Technical Parameters

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

2 Well temperature measurement range: -10℃~+150℃
3. Temperature feeling time: ＜3s
4. Well temperature stability error: ＜1%
5. Well temperature scale error: ＜±0.5℃
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: φ40*1415mm
12. Weight: 3.4Kg
13. Endured pressure: ≥5Mpa
14. Working temperature: -10℃~60℃
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: ф40*1320mm
6. Weight: 3.3Kg
7. Endured pressure: ≥ 5 Mpa
8. Working temperature: -10℃~+60℃
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), ф23*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: φ40*1495
17. Weight: 5Kg
18. Endured pressure: ≥5Mpa
19. Working environment temperature: -10℃~70℃
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: φ42*980
6. Weight: 2Kg
7. Endured pressure: ≥5Mpa
8. Working environment temperature: -10℃~70℃
Functions:

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