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ROSEN Automated Coiled Tubing Integrity Monitoring Service (ACIM)

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Real-time feature detection during operations

Page last modified
May 21 2023

ROSEN’s ACIM is a sophisticated tool designed to identify critical defects before failure with a high probability of detection. It monitors the tubing condition in real time and provides a clear, unambiguous and comprehensive analysis of the inspection data in an easy-to-read report. Corrective actions can then be scheduled, thus increasing operational efficiency. The resultant inspection data can be used to inform risk-based integrity decisions and more realistic remaining life assessments. It can also be integrated with other data sources.


Confidence that coiled tubing is safe for operation
Accurate and reliable detection of metal loss and ovalities
Highly sensitive to even smallest defects, such as pinhole corrosion and mechanical damage
Real-time monitoring delivering immediate results on wall thickness, diameter, speed and depth
Designed for hazardous environments, including ATEX zone 1 for onshore and off shore operations
Cost savings and improved operating efficiency through avoidance of unscheduled downtime
Provision of vital input data for subsequent assessments, such as fatigue and remaining life assessments
Only works with magnetic materials like steel


Accuracy Minimum longitudinal Notch Detection (LxWxD) 12.7mm [0.5”] x 0.7mm [0.03”] x 10% | Minimum transverse Notch Detection (LxWxD) 6.35mm [0.25”] x 0.5mm [0.02”] x 10% | Thinning (LxWxD) 30mm [1.2”] x 25mm [1”] x 0.25mm [0.01”]
Dimension Diameter Range: 1.250”, 1.500”, 1.750”, 2.000”, 2.375” & 2.875”
Material Ferro magnetic steel (ferretic alloys) | Duplex alloys (limited)
Measurement Tool speed: max 3.2ft/s (1m/s) and min “no limit” | Depth/Length: <±1.0% | Outer Diameter ±0.005” (±127µm) | Wall thickness: ±0.005” (±127µm)
Range WT Ranges: 0.109” till 0.224” (2.76mm-5.68mm)
Sample rate Every 1/32” (1mm)

Relative Business Impact

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Technology Readiness Level


Development Technology demonstration Mature / Proven
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About ROSEN Group

The ROSEN Group is a leading global provider of cutting-edge solutions for all areas of the integrity management process. Since its origins as a one-man business in 1981, ROSEN has grown rapidly and continues to do so. Today the business is still privately owned and employs a team of more than 3,000, operating in more than 120 countries. The four key areas of expertise include:

  • Inspection of critical industrial assets to ensure reliable and effective operation
  • Customized engineering consultancy ensuring efficient asset integrity management
  • Production and supply of customized novel systems and products
  • Market-driven research and development providing “added value” products and services
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