Description
A-One Oil Multi-Finger Caliper (40 finger) MFC43C uses mechanical detection arms to measure the internal diameter (radius) of the casing. By measuring the diameter (radius), it can determine casing damage such as distortion, misalignment, holes, cracks, and internal corrosion.
The MFC43C interpretation software can display the actual condition of the measured casing inner wall in three dimensions, and at the same time, calculate the engineering data of the measured casing and perform statistical analysis.



Technical Parameters
|
General Specs |
|
|
Pressure Rating |
100Mpa |
|
Temperature Rating |
175℃ (350°F) |
|
Working Voltage |
18-24V |
|
Working Current |
100mA |
|
Length |
1848.5mm |
|
Connection Length |
1798.5mm |
|
Logging Speed |
10m/min |
|
Connector Type |
13-Core |
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Logging Conditions |
|
|
Is it possible to have H2S here |
Measurable |
|
Tool Position |
Center of Casing |
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Dimensional Parameters |
|
|
Can be with an Extended Arm |
Can |
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Diameter |
43mm (24-Arm) |
|
73mm (40-Arm) |
|
|
108mm (64-Arm) |
|
|
Well Diameter Measurement Range |
50mm~170mm (24-Arm) |
|
80mm~245mm (40-Arm) |
|
|
120mm~280mm (64-Arm) |
|
|
Measurement Accuracy |
|
|
Accuracy |
±1mm |
|
Resolution Ratio |
0.1mm |
|
Relative Azimuthal Accuracy |
±3° |
|
Relative Azimuthal Range |
0~360° |
|
Well Deviation Accuracy |
±3° |
Features
◆ A-One Oil Multi-Finger Caliper (40 finger) MFC43C 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.
◆ High-precision measurement to evaluate the corrosion condition.
◆ High durability, resistant to high temperatures and high pressures, and adaptable to harsh downhole environments. The mechanical arms are made of corrosion-resistant materials.
Applications
Casing Inspection: Evaluate casing deformation, corrosion, or wear, locate the points of damage, and complete well intervention operations.

FAQ
Q: Are your Multi-Finger Caliper (40 finger) 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: 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: Can this tool be connected to EMFD43C or MCBL?
A: Yes, both can.
Q: How long does it take to readout 2G data?
A: It will need 3min
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