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ENGINEERING AND ULTRASONIC TOOL RUN IN A NATURAL GAS PIPELINE TO DETECT SCC

机译:天然气管道中工程和超声波工具检测SCC

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Stress Corrosion Cracking (SCC) is a major integrity threat for many gas and oil pipeline operators. Once SCC is detected on a pipeline, if the severity of the SCC is determined to be class III or IV, it is the operator's responsibility to ensure that the risk of a SCC failure is adequately mitigated..rnThis paper discusses several design strategies implemented by TransGas for the purpose of this UT ILI run including: designing a custom launcher to facilitate easy insertion of batching pigs, UT ILI tool, and batching liquid; development and use of a flow / speed control system utilizing pressure differential readings from orifice meters, as well as many of the logistical challenges associated with the project.
机译:应力腐蚀开裂(SCC)是许多天然气和石油管道运营商面临的主要完整性威胁。一旦在管道上检测到SCC,如果将SCC的严重程度确定为III级或IV级,则操作员有责任确保充分减轻SCC故障的风险。 TransGas用于此UT ILI运行的目的包括:设计定制发射器,以方便轻松插入配料清管器,UT ILI工具和配料液体;开发和使用流量/速度控制系统,该系统利用了节流孔板的压力差读数以及与项目相关的许多物流方面的挑战。

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