Pipeline Inspection Modules for Hot Tapping Flow Assessment

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Solution Overview

Problem

Current pipeline inspection technologies lack the capability to monitor pipeline conditions and structural tool performance during hot tapping operations, leading to potential safety risks and inefficiencies due to reliance on general pipeline flow information.

Innovation Solution

A pipeline inspection tool adapted for use within a pressurized pipeline, equipped with imaging, measurement, and monitoring capabilities, is inserted through a control bar and fitting along the pipeline sidewall to inspect and monitor hot tapping, pipeline isolation, and plugging operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If general pipeline flow information is used to select hot tap tools and determine safety, then the process is simple and quick, but the accuracy and reliability of safety assessment is insufficient

Engineering Contradiction:
Improvesafety assessment reliabilityVSAvoidinspection system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The inspection tool is deployed before the hot tapping operation to collect baseline data on pipeline conditions, tool positioning, and flow characteristics. This preliminary inspection enables accurate tool selection and safety assessment before the actual hot tap begins, resolving the contradiction by providing reliable data without requiring complex real-time monitoring during the operation itself.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

An inspection tool acts as an intermediary device between the pipeline operator and the hot tapping service provider. This tool collects and transmits critical pipeline condition data, enabling the service provider to make informed decisions about tool selection and safety without directly accessing the pipeline's internal state, thus maintaining system simplicity while improving assessment reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If real-time monitoring of pipeline conditions during hot tapping is implemented, then operational safety and efficiency are improved, but the complexity and cost of the inspection system increases

Engineering Contradiction:
Improvehot tapping operational efficiencyVSAvoidreal-time monitoring system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The inspection tool is designed with multi-functionality, serving both as a pre-operation assessment device and a real-time monitoring instrument. By integrating multiple sensing capabilities (positioning, flow measurement, condition detection) into a single tool that can be deployed through the hot tap valve, the system achieves real-time monitoring without proportionally increasing complexity, as the same hardware performs multiple functions throughout the operation.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The inspection tool is inserted through the hot tap valve itself, utilizing the valve's opening as the deployment pathway. This self-service approach eliminates the need for separate access points or complex installation procedures, allowing the monitoring system to be deployed as part of the hot tapping process rather than as an additional independent system.

Inventive Principle:
Principle #25Self-service

3Reliability

If structural tools are set in the line based on general pipeline information, then the installation process is straightforward, but the tools may not perform as expected under actual pipeline conditions

Engineering Contradiction:
Improvestructural tool performance reliabilityVSAvoidtool installation ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The inspection tool provides real-time feedback on actual pipeline conditions including pressure, flow characteristics, and tool positioning during insertion. This feedback loop enables operators to adjust tool selection and installation parameters based on measured conditions rather than relying solely on general pipeline information, ensuring tools are properly configured for the specific operational environment while maintaining straightforward installation procedures.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20250067382A1Pipeline Service System Including Inspection Tools to Evaluate Pipeline Flow and Assess Performance of Structural Tools during Hot Tapping Operation
Publication Date: 2025.02.27 TDW DELAWARE INC
  • US20250067382A1 patent drawing
  • US20250067382A1 patent drawing
  • US20250067382A1 patent drawing

AI summary

A pipeline inspection tool 300 of this disclosure is adapted for use a first pipeline service machine 200, including a control bar 210, when connected to a first valve 206 providing access to an interior of a pipe 52. The tool includes a connector 302 adapted for use in a pressurized pipeline, the connector including an electrical wire interconnect 308 and connectable at one end 304 to a distal end 212 of the control bar and connectable at another end 306 to a module 310, 310A, 310B of the pipeline inspection tool, module including a pressurized housing 314 containing the inspection tool. The module also includes a bulkhead 316 having a square O-ring 318 and a rod 320 that extends through the bulkhead to place the square O-ring in compression. In some embodiments, the tool includes two modules 310A, 310B, one containing a camera 330, the other containing lights 340.