Wireline logging To record of a formation's rock properties

Introduction:

The oil and gas industry uses wireline logging to obtain a continuous record of a formation's rock properties. Wireline logging can be defined as being "The acquisition and analysis of geophysical data performed as a function of well bore depth, together with the provision of related services." Note that "wireline logging" and "mud logging" are not the same, yet are closely linked through the integration of the data sets. The measurements are made referenced to "TAH" - True Along Hole depth: these and the associated analysis can then be used to infer further properties, such as hydrocarbon saturation andformation pressure, and to make further drilling and production decisions.

Main Applications and Features

1         Coal Field Digital Integrated Logging

2         Hydrological Engineering Digital Integrated Logging

3         Solid Metal Ore Digital Integrated Logging

4         Other Minerals Digital Integrated Logging

5         External Laptop (Desktop PC)

6         For upward logging, also for downward logging

7         Receive digital signal, analog signal

8         8 taps of power supply current, Optional

9         Automatic sampling as per depth interval, sampling interval arbitrarily

10      Indoor simulation logging, repeatability observation of instruments and probes

11      Membrane panel, attractive and durable

Technical Specifications

1         12bit A/D Conversion, Program-Controlled Magnification K=0.5~128

2         Counting Channel: f≤500KHz

3         Digital Signal Transmission Frequency: 9600bit/s

4         Power Supply Cycle: 400ms

5         Current: 2mA~500 mA Optional

6         Signal Input Range: ≤±10V

7         Continuous Working Time: ≤24 hr

8         Power Consumption: <200W

9         Volume: 420×260×210mm,

10      Weight: <7Kg

11      Working Temperature Range: -10°C~ +50°C

12      Working Power Supply: AC220V±10% 50Hz ±5%

13      Logging Speed: 0~30 m/min Adjustable (as per sampling interval)

Logging Working Software System

1         12bit A/D Conversion, Program-Controlled Magnification

2         ?Operation Environment: Windows98/2000/XP

3         Sampling Interval: Arbitrary (1~1000cm)
Setting (1cm, 2cm, ...1000cm)

4         Maximum depth of one-time acquisition: 3000m (0.1m sampling interval)

5         Depth automatic alignment of multi-parameters

6         Superposition of multi-parameters up to 10

7         Curve movement, anomaly removal, smoothing, inverted order, , segmentation, calculation, etc.

8         Interpretation of profile input, automatic generation of rock stratum name, thickness and baseplate depth

9         Curve amplification and compression

10      5 types of curve depth ratio: 1:50, 1:100, 1:200, 1:500, 1:1000

11      Continuous drawing production in color or black-and-white effects

12      Output graph maximum width: 415mm, length: 2310mm