Description
A-One Oil Multifinger Imaging Tool is an advanced downhole logging tool. It's designed for precise wellbore geometry logging in oil and gas exploration and development. Equipped with multiple (often 24-finger, 40-finger, 60-finger) retractable arms, it provides accurate measurements of the casing inner diameter. The high - quality data enables 3D imaging of the casing inner diameter and calculation of statistics on oil/casing corrosion, deformation, and bending. Data is crucial for evaluating casing damage detection and subsequent cementing, completion, etc.
The tool adopts a 13-core instrument bus. Normally connected with other logging tools like Electro-Magnetic Flaw Detectors Tool, Electro-Magnetic Thickness Tool, Gamma Temperature Tools, Gyro Inclinometers, and Downhole TV cameras in a logging string. One downhole trip can acquire data from multiple instruments.
Technical Parameters
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General Specs |
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Pressure Rating |
100Mpa |
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Temperature Rating |
175℃ (350°F) |
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Working Voltage |
18-24V |
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Working Current |
100mA |
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Length |
1848.5mm |
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Connection Length |
1798.5mm |
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Logging Speed |
10m/min |
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Connector Type |
13-Core |
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Logging Conditions |
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Is it possible to have H2S here |
Measurable |
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Tool Position |
Center of Casing |
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Dimensional Parameters |
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Can be with an Extended Arm |
Can |
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Diameter |
43mm (24-Arm) |
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73mm (40-Arm) |
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100mm (60-Arm) |
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Well Diameter Measurement Range |
50mm~170mm (24-Arm) |
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80mm~245mm (40-Arm) |
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110mm~270mm (60-Arm) |
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Measurement Accuracy |
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Accuracy |
±1mm |
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Resolution Ratio |
0.1mm |
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Relative Azimuthal Accuracy |
±3° |
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Relative Azimuthal Range |
0～360° |
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Well Deviation Accuracy |
±3° |
Features
◆ A-One Oil Multifinger Imaging Tool uses a single-cycle ultra-high refresh rate, ensuring that the tool's ability to detect damage is 3-5 times that of the conventional multi-arm currently on the market.
◆ Adopting a high-sensitivity and zero-delay circuit design ensures the instrument's identification of minor defects.
◆ Quick response and stability: The motion of the measurement fingers is swift and stable, ensuring reliable operation even in complicated well conditions (like high temperature, high pressure, drilling fluid impact).
◆ Data reliability and consistency: Multi-point measurements mutually verify each other, reducing the errors from single - point measurements, enhancing overall data reliability and consistency.
Applications
◆ Casing damage detection and evaluation: During production or workover operations, detect casing deformation, diameter reduction, rupture, or corrosion to provide a basis for maintence decisions.
◆ Cementing quality evaluation: Accurate borehole diameter data is basis for calculating cement bond quality and estimating cement volume, ensuring successful cementing operations.
FAQ
Q: Are your Multifinger Imaging Tool for real-time mode or memory mode?
A: Memory mode.
Q: Do you have case studies of actual data of tool in operations?
A: Yes, we have.
Q: Can the well diameter and other parameters be measured simultaneously when going down the well once?
A: Yes, multi-finger calipers are usually designed for incorporation with other logging tools (such as gamma tools, etc.) in the same logging string to obtain multi-parameter data in one downhole operation, which greatly improves the operation efficiency.
Q: How to operate the tools?
A: We will provide the Operating Manual.
In addition, our technical team will arrange professional operators to conduct online training for you . Easy to operate and safe to use.
Q: How to ensure logging accuracy.
A: Before downhole operations, using a calibrator to correct ensuring the well logging accuracy.
Q: What's the maximum logging range of this tool?
A: 24-finge Well Diameter Measurement Range is 50~180mm
40-finger Well Diameter Measurement Range is 80~250mm
60-finger Well Diameter Measurement Range is 110~270mm
Q: How long does it take to readout 2G data?
A: It will need 3min
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