Coating Continuity Testing Drone for Scaffolding-Free Inspection

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Solution Overview

Problem

Conventional methods for inspecting out-of-reach locations on equipment structures in oil and gas facilities, such as pipelines and storage tanks, are costly and time-consuming due to the need for scaffolding, and lack a reliable verification assessment of coating integrity.

Innovation Solution

Utilizing an unmanned aerial vehicle (UAV) equipped with a continuity testing device and a marker spray to measure and analyze coating continuity, identify defects, and provide a verification assessment using artificial intelligence.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If scaffolding is erected to inspect out-of-reach locations, then inspector access to equipment structures is improved, but inspection cost and time are significantly increased

Engineering Contradiction:

Improveinspector accessVSAvoidinspection time

Core Design Contradiction:

Ease of operationVSLoss of time

Solution Approach 1:

The patent replaces the mechanical scaffolding system with an unmanned aerial vehicle (drone) equipped with a continuity testing device. The drone can freely navigate to out-of-reach locations on equipment structures without requiring physical support structures, thereby eliminating the time-consuming scaffolding erection process while maintaining inspector access capability

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an unmanned aerial vehicle as an intermediary between the inspector and the out-of-reach equipment locations. The drone serves as a mobile platform that carries the continuity testing device to difficult-to-access areas, providing inspector access without the need for traditional scaffolding infrastructure

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If scaffolding is erected to inspect out-of-reach locations, then inspector access to equipment structures is improved, but inspection cost is significantly increased

Engineering Contradiction:

Improveinspector accessVSAvoidinspection cost

Core Design Contradiction:

Ease of operationVSQuantity of substance

Solution Approach 1:

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent employs a disposable or reusable drone platform that can be deployed for inspection tasks without the need for expensive, permanent scaffolding infrastructure. The drone represents a cost-effective, temporary solution that can be deployed and removed as needed, reducing overall inspection costs compared to erecting and dismantling scaffolding structures

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Device complexity

If conventional continuity testing is performed without verification assessment, then inspection process is simple, but confirmation of successful completion and enhancement opportunities are lost

Engineering Contradiction:

Improveinspection process complexityVSAvoidinspection verification

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent implements a feedback mechanism where continuity test results are automatically analyzed and compared against acceptance criteria. The system provides real-time feedback on whether the coating continuity meets specified requirements, enabling immediate verification of inspection success and identification of areas requiring rework or enhancement

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent enables the inspection system to automatically verify its own results through integrated analysis capabilities. The continuity testing device and analysis system work together to autonomously determine whether inspection objectives have been met, reducing the need for manual verification while enhancing reliability through consistent, objective assessment

Inventive Principle:

Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enhances inspection efficiency, reduces labor costs, and ensures accurate detection of coating defects through real-time analysis and automated verification, allowing for safer and more efficient maintenance.

Implementation Method 1

Holiday testing or coating continuity testing is performed on equipment to measure current flow between two points and detect local degradation of coating

Methodology Applied

Scientific EffectElectrical Resistance: Electrical Resistance

Implementation Method 2

a marker spray coupled to the electric brush configured to spray an area of concern at the desired location

Methodology Applied

Scientific EffectSpray: Spray

Data Source

PatentUS20250232425A1Coating continuity testing drone

Publication Date: 2025.07.17 SAUDI ARABIAN OIL CO

AI summary

System and method for inspecting an equipment structure including dispatching an unmanned aerial vehicle (UAV) to a desired location on the equipment structure, collecting a visual image, and measuring continuity readings representing a condition of the equipment structure. The continuity testing device includes an electric brush. The method further includes receiving the continuity readings and the visual image, via communicably connecting a computer processor in a pilot testing pit to the UAV, determining an analysis of the desired location identifying a coating defect and a defect type, and inputting the analysis into an artificial intelligence model. The method further includes producing a verification assessment of the plurality of continuity readings and an enhanced testing technique based on the analysis and spraying, using a marker spray coupled to the electric brush, an area of concern at the desired location.