Multifinger Imaging Tool (MIT 60)

The Multifinger Imaging Tool (MIT 60) is an advanced, high-resolution downhole tubular inspection instrument designed for precise inner diameter and surface condition measurement of casing and tubing in cased wells. Equipped with 60 independent measurement fingers and integrated orientation sensing, MIT 60 enables comprehensive 3D imaging and detailed characterization of tubular surfaces - empowering engineers with actionable data to evaluate corrosion, scale buildup, mechanical wear, and anomalies that could compromise well integrity.

With its industry-verified mechanical caliper architecture and robust data processing workflows, MIT 60 supports accurate remedial planning, integrity assessment, and risk mitigation for oil and gas operations.

What Is the MIT 60 Tool?

The Multifinger Imaging Tool is a multicontact mechanical caliper instrument that provides continuous, high-resolution measurements around the full circumference of tubulars during a wireline logging pass. MIT tools are leveraged predominantly in cased-hole environments to quantify casing wall conditions that standard caliper logs or simple diameter measurements may miss.

The MIT 60 variant uses 60 evenly spaced fingers, each of which directly contacts the inner surface of casing or tubing and measures small variations in radius. These measurements are converted into electrical signals and processed to reveal variations in tubular geometry that indicate corrosion, wear, distortion, or other degradation mechanisms.

High-Resolution Measurement Array

◆ 60 independent measurement fingers for dense radial coverage and superior spatial resolution across the tubular internal surface.

◆ Ability to detect very small changes in inner wall geometry - down to fractions of a millimeter - enabling early detection of defects.

3D Imaging & Orientation.

◆ Integrated inclinometer ensures that finger positions are properly referenced relative to the high side of the pipe.

◆ Measurement data can be processed into 3D models using advanced software such as Well Integrity Visual Analysis (WIVA), facilitating intuitive visualization of damage, corrosion patterns, and deformation.

Sophisticated Data Analytics

◆ Use Well Integrity Processing, Evaluation and Reporting (WIPER) software for robust statistical analysis of tubular conditions.

◆ Generates quantitative insights that inform engineering decisions for remediation, completion, and maintenance planning.

Flexible Deployment & Integration

◆ MIT 60 is available in multiple sizes to accommodate various casing and tubing diameters.

◆ Can be run alone or in combination with other cased-hole logging instruments and production logging tools for comprehensive downhole evaluation.

Engineering-Oriented Design

◆ Fingers remain retracted during run-in to prevent damage and extend tool life.

◆ Motor-activated deployment occurs once the tool reaches target depth, allowing continuous logging as the tool is pulled upward.

◆ Designed for challenging well conditions - including high temperature and deviated or horizontal wells.

Tubular degradation due to corrosion, erosion, scale buildup, or mechanical wear can significantly limit well life, reduce production efficiency, and increase maintenance costs if left undetected. The MIT 60 tool addresses these challenges by providing precise, depth-correlated geometry data that allows operators to:

◆ Early Detection of Structural Issues

Identify minor anomalies before they escalate into major integrity failures, allowing timely remedial action and reducing risk of costly repairs or production downtime.

◆ Quantitative Tubular Condition Assessment

Measure corrosion profiles, wear patterns, and diameter variations with high accuracy - a key input for engineering analysis and risk prioritization.

◆ 3D Visualization for Clear Interpretation

By integrating MIT 60 data with specialized software, operators can generate detailed 3D tubular models that visualize internal surface condition and guide targeted interventions more effectively than traditional 2D logs.

◆ Compatibility with Other Logging Technologies

MIT 60 can be combined with production logging or other well integrity tools to deliver a multi-parameter evaluation in a single tool run, improving operational efficiency and reducing rig time.

◆ Corrosion & Erosion Monitoring-quantify metal loss and corrosion progress over time.
◆ Scale & Deposits Evaluation-determine scale buildup profiles impacting production flow.
◆ Anomaly Detection-locate holes, dents, unusual wear paths or axially oriented defects.
◆ Completion Component Inspection-evaluate packers, liners, and perforation integrity. Mechanical Damage Assessment-identify bending, buckling or deformation patterns.

The Multifinger Imaging Tool (MIT 60) delivers high-resolution, reliable tubular imaging data that empowers operators and engineers to make confident decisions about well integrity, production optimization, and remedial action planning. With robust measurement principles, advanced data processing support, and integration flexibility, MIT 60 stands as a trusted solution for detailed casing and tubing condition evaluation in the most demanding petroleum engineering environments.

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