ProMAC™ 24-Arm Caliper Tool
Measures internal diameter of pipe to quantify metal loss due to corrosion or erosion
Applications
- Casing inspection
- Quantitative evaluation of metal loss, ovality, and buckling
- Time-lapse monitoring
- Leak detection
Features and Benefits
- Fully Probe® high-speed digital (HD) telemetry platform compatible with fast telemetry
- Family of 24-, 40-, and 60-finger tools
- Combinable with other HD well integrity products
- Full surface read out (SRO) and memory capability
Tool Description
The Weatherford ProMAC series 24-arm caliper tool incorporates mechanical, electrical, and electronic features that increase tool accuracy, reliability, maintainability, and overall cost efficiency.
Specifications
Ratings and Dimensions-Probe Telemetry (PTX) and HD
Maximum temperature | 350°F (177°C) |
Maximum pressure | 15,000 psi (103.4 MPa) |
Outside diameter | 1.69 in. (43 mm) |
Length | 61.2 in. (1,554.5 m) |
Weight | 25 lb (11.4 kg) |
Tensile strength | Connection: 15,000 lbf |
Measure points | Caliper: 27.7 in. (703.6 mm) |
Materials | Corrosion resistant throughout |
Hardware Characteristics
| PTX | HD |
Sensor type | Inclinometer: 3-axis accelerometer | |
Combinability | All PTX tools: GR, CCL, iQ™, RADii® | All HD tools: GR, CCL, iQ™, RADii®, RAS™, PLT |
Tool positioning | Centralized | |
Acquisition mode | SRO only | SRO with telemetry |
Electrical
| PTX | HD |
Voltage | 120 V DC | SRO: 50 V DC |
Current | 15 mA (log) | SRO: 40 mA (log), 100 mA (opening) |
Caliper Measurements
| PTX | HD |
Sampling rate | 10 samples/s | 50 samples/s |
Vertical resolution | 0.3 in. (7.6 mm) | 0.12 in. (3 mm) |
Radial resolution | 0.001 in. (0.025 mm) | |
Logging speed | 30 ft/min (9 m/min) | |
Radial accuracy | +/- 0.02 in. (+/- 0.5 mm) | |
Diameter range | 1.75 to 7 in. (44.5 to 177.8 mm) | |
Arm extension kit | PN: 035-MAC24-3KIT: up to 10.0 in. (254.0 mm) | |
Primary output | 24 independent Radii measurements | |
Secondary output | Head voltage, internal temperature, accelerometer | |
Accelerometer Measurements
| Inclination | Relative Bearing |
Range | 0° to 180° | 0° to 360° |
Accuracy | +/- 1.0° | +/- 1.0° |
Resolution | +/- 0.1° | +/- 0.1° |
Calibration
Primary / wellsite | Precision-machined calibration bowl |
Reach out to optimize reservoir performance
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