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Pipeline fault detection system, sensor head and method of detecting pipeline faults

  • US 10,094,732 B2
  • Filed: 05/11/2012
  • Issued: 10/09/2018
  • Est. Priority Date: 05/11/2011
  • Status: Active Grant
First Claim
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1. A trunk mains pipeline fault detection system comprising a vibro-acoustic sensor connectable to a fluid path of a trunk mains pipeline and a remote monitoring system, the sensor being operable to measure, for a plurality of days and for a predetermined time period each day, the predetermined time period being less than 24 hours, one or more predetermined vibro-acoustic properties of the fluid and/or fluid path of the trunk mains pipeline when the trunk mains pipeline is online and under normal operating conditions so as to avoid interruption of a supply of water through the trunk mains pipeline and communicate data on each day'"'"'s measurements to the remote monitoring system, the remote monitoring system being arranged to monitor said data over time to build a representation of gradual changes in said pipeline'"'"'s characteristics from the monitored data over said plurality of days and being further arranged to screen one or more of the representation and the monitored data for characteristics representing a fault type to identify occurrence of a fault type in the pipeline, wherein the representation of gradual changes in said pipeline'"'"'s characteristics built from the monitored data over said plurality of days is a function of the monitored data from the predetermined time periods each being less than 24 hours.

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