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Preparing for successful ILI runs: a case study

机译：准备成功ili运行：一个案例研究

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RUNNING A GAUGING PIG before an Inline Inspection (ILI) tool run is very important. Many times if this is not done, the risk of tool run failure increases drastically however, a successful gauge pig run with no plate deflections is not always indicative of a future successful Inline Inspection (ILI) run. Many times the Inline Inspection (ILI) tool run will result in failed data due to debris. A small amount of debris on the pipe wall is often not removed by standard mechanical cleaning runs and will likely not be affected by a gauge pig run. Yet the Inline Inspection (ILI) tool, due to the tool's complex configuration including length, very strong magnets and overall mass, will generally deliver large amounts of residual debris on completion of the run. The debris will often build up on the tool over the duration of the run and can damage tool sensors, odometers and other components. Failing an Inline Inspection (ILI) tool run costs the pipeline operator both time and money as resources must be deployed and re-deployed, flows often must be slowed to facilitate optimal inspection tool speed and third party contractors must be engaged to provide support services associated with transporting a working computer (the ILI tool) through an operating pipeline.. "Getting the ILI right the first time will increasingly be important as the oil and gas industry tackles the more difficult lines. Failure to achieve first run success will result in additional costs on ILI activities with individual project costs potentially many times higher than the original budget. These costs include additional runs; associated lost production; tool repairs or recovery." [Guidance on achieving ILI First Run Success December 2012; Pipeline Operators Forum, p.9]
机译：在内联检查（ILI）工具运行之前运行一只测量猪非常重要。很多次如果没有这样做，刀具运行失败的风险急剧增加，但没有板偏转的成功规格猪并不总是指示未来的成功内联检查（ili）运行。多次内联检查（ILI）工具运行将导致由于碎片导致的数据失败。管壁上的少量碎屑通常不会通过标准机械清洁运行除去，并且可能不会受到量度猪的影响。然而，由于工具的复杂配置，包括长度，非常强大的磁铁和整体质量，因此在运行完成时通常会提供大量的残留碎片，因此内联检查（ILI）工具。碎片通常会在运行期间积聚在工具上，并且可以损坏工具传感器，测量仪和其他组件。失败的内联检查（ILI）工具运行费用，管道运营商必须部署和重新部署资源的时间和金钱，通常必须放慢流量，以便于促进最佳检查工具速度，第三方承包商必须订婚，以提供相关的支持服务通过运输工作计算机（ILI工具）通过操作管道..“当石油和天然气行业解决更困难的线路时，第一次越来越重要地越来越重要。未能实现首次运行成功将导致额外的成功伊犁活动的成本与个别项目成本可能会高于原始预算的潜在数量。这些成本包括额外的运行;相关的损失;工具维修或恢复。“ [2012年12月成功实现ILI首次运行的指导;管道运营商论坛，第9页]

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