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Method and apparatus for scanning corrosion and surface defects

A technology for scanning systems and surface conditions, which is applied in the field of forecasting systems for determining the safe service life of pipelines, determining and analyzing corrosion in or on pipelines, and predicting safe service life of pipelines. Unable to provide issues such as the remaining service life of the pipeline

Inactive Publication Date: 2006-04-19
吉多·D·K·德莫莱奇
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, the techniques described allow detection and localization of areas of corrosion, but do not provide information on the remaining useful life of the pipeline where it is necessary to consider the safe use of the pipeline
[0008] In conclusion, existing methods for corrosion measurements are not only mechanically limited, but also costly in terms of financial and time due to the human effort involved in performing operations, processing data, and drawing conclusions
Furthermore, when detecting and locating corrosion within pipelines, currently available techniques have another major disadvantage of not providing information on the remaining useful life of the pipeline where the safe use of the pipeline needs to be considered

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  • Method and apparatus for scanning corrosion and surface defects
  • Method and apparatus for scanning corrosion and surface defects
  • Method and apparatus for scanning corrosion and surface defects

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Embodiment Construction

[0054] Corrosion is a naturally occurring phenomenon generally defined as the deterioration of a substance, typically a metal, or its properties due to a reaction with the environment. Corrosion can cause dangerous and costly damage to objects such as road bridges, gas and liquid transport pipelines, railways, motor vehicles, aircraft, ships, cranes, oil refineries, chemical, petrochemical and pharmaceutical production plants, nuclear power plants, etc. . Corrosion can lead to structural damage, loss of useful life, loss of capital investment and environmental damage and therefore requires detection, measurement, labeling and evaluation.

[0055] A common misconception is that corrosion damage continues at the same rate and with the same corrosion mechanism, which is not the case. Corrosion occurs in stages and involves specific conditions, for example caused by fluctuations in temperature, or by changing product chemistry and interactions between piping materials. The sever...

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Abstract

The present invention relates to a method and an apparatus for determining the life span for secure use of a pipeline comprising the steps of a) defining an area for surface corrosion analysis on the pipeline, b) providing a corrosion scanning system for scanning the defined area on the pipeline, c) localizing and measuring the corrosion on the surface of the defined area by means of the corrosion scanning system, d) determining the remaining wall-thickness of the pipeline at the defined area by means of the corrosion scanning system, and e) processing the surface condition data related to corrosion at the defined area obtained in steps c) and d) to determine the life span for secure use of the pipeline. In another aspect the present invention relates to a corrosion scanning system for performing for performing the method according to the invention. In another aspect the invention relates to a prediction system for predicting the secure life span of a pipeline.

Description

Field of invention: [0001] The invention relates to the field of inspecting materials for the presence of corrosion and surface defects, such as dents, third-party damage, and the like. In particular, the invention relates to a method and apparatus for determining and analyzing corrosion in or on pipelines. In addition, the present invention also relates to a method and an apparatus for determining the safe service life of pipelines. In other aspects, the present invention also relates to a forecasting system for predicting the safe service life of pipelines. Background of the invention: [0002] Corrosion to the interior and exterior surfaces of in-service pipes, tanks, or other industrial assets reduces the integrity of the material and potentially reduces the service life of the equipment. Defects can take many forms and can potentially initiate corrosion and / or cracking by one or more mechanisms. These factors affect materials over a wide range and involve many indust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/952G01N21/954G01N21/95
CPCG01N21/954G01N2291/015G01N29/041G01N21/49G01N2291/2634G01N2291/0423G01N2291/044G01N2291/014G01N2291/0258G01N21/9515G01N29/07G01N29/2418G01N21/952G01N17/006
Inventor 吉多·D·K·德莫莱奇
Owner 吉多·D·K·德莫莱奇
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