Systems and methods for rapid prediction of hydrogen-induced cracking (HIC) in pipelines, pressure vessels, and piping systems and for taking action in relation thereto

一种专家系统、裂纹的技术，应用在专家机械模型系统,评估对金属管线的氢致损坏领域，能够解决缺乏工作站、无法产生超声波测试图、不良模拟收敛等问题

Inactive Publication Date: 2018-12-21
SAUDI ARABIAN OIL CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current attempts to estimate HIC cracking growth rates are not suitable for practical deployment of this technique, e.g., due to computer resource constraints (e.g., CPU time, memory usage, etc.), unacceptable computation times for large-scale simulations (e.g., generating accurate models, when there are hundreds or thousands of cracks), poor simulation convergence issues, inability to produce complete ultrasonic test charts, and technical limitations (e.g., lack of workstations, licensing, training, certification)

Method used

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  • Systems and methods for rapid prediction of hydrogen-induced cracking (HIC) in pipelines, pressure vessels, and piping systems and for taking action in relation thereto
  • Systems and methods for rapid prediction of hydrogen-induced cracking (HIC) in pipelines, pressure vessels, and piping systems and for taking action in relation thereto
  • Systems and methods for rapid prediction of hydrogen-induced cracking (HIC) in pipelines, pressure vessels, and piping systems and for taking action in relation thereto

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Embodiment Construction

[0029] Throughout the specification, terms may have nuanced meanings suggested or implied in the context beyond the explicitly stated meaning. Likewise, the phrase "in one implementation" as used herein does not necessarily refer to the same implementation, and the phrase "in another implementation" as used herein does not necessarily refer to a different implementation. Similarly, the phrase "one or more implementations" as used herein does not necessarily refer to the same implementation, and the phrase "in at least one implementation" as used herein does not necessarily refer to different implementations. For example, it is intended that the claimed subject matter include combinations of exemplary implementations in whole or in part.

[0030] The present disclosure details systems and methods for improved HIC growth rate modeling. Since existing methods in the field of HIC measurement and prediction technology are not efficient or effective in determining crack growth char...

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Abstract

Methods and systems of predicting the growth rate of hydrogen-induced cracking (HIC) in a physical asset (e.g., a pipeline, storage tank, etc.) are provided. The methodology receives a plurality of inputs regarding physical characteristics of the asset and performs parametric simulations to generate a simulated database of observations of the asset. The database is then used to train, test, and validate one or more expert systems that can then predict the growth rate and other characteristics of the asset over time. The systems herein can also generate alerts as to predicted dangerous conditions and modify inspection schedules based on such growth rate predictions.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Patent Application Serial No. 62 / 353,406, filed June 22, 2016, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to assessing equipment damage to metal pipelines, in particular to assessing hydrogen-induced damage to metal pipelines. More specifically, the present invention relates to a fast, robust and easy-to-use expert mechanical modeling system capable of predicting hydrogen-induced cracking (HIC) growth rates and corresponding field-deployable numerical tools for taking actions related to such predictions. Background technique [0004] Hydrogen-induced cracking (HIC) is a persistent problem in pipelines, especially those composed of non-HIC-resistant steel and serving sour gases (e.g., H 2 S) or pipelines for natural gas. In general, HIC refers to the interior that may arise in metal (eg, steel) pipes, pressure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02G05B23/02
CPCG05B17/02G05B23/0245G05B23/0254G06N3/08G06N3/042G06F30/20G06F2111/10
Inventor A.特雷迪亚A.谢里克
Owner SAUDI ARABIAN OIL CO
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