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Gas detection systems and methods with search directions

  • US 9,719,879 B1
  • Filed: 01/03/2013
  • Issued: 08/01/2017
  • Est. Priority Date: 05/14/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • performing a gas leak detection survey bymeasuring a plurality of gas concentration values at a corresponding plurality of measurement points using a gas concentration measurement device carried by a moving vehicle along a survey path,determining a plurality of geospatially-referenced locations of the plurality of measurement points using a positioning device carried by the moving vehicle, andmeasuring a plurality of wind direction values using a wind direction determination device carried by the moving vehicle, wherein the plurality of wind direction values are measured within a time interval during which the plurality of gas concentration values are measured, the time interval being less than or equal to 2 minutes;

    determining, using at least one hardware processor, a range of search directions to a suspected gas leak source extending from a location of a gas concentration measurement point according to a variability of the wind direction values, wherein the range of search directions defines a width of a graphical indicator of the variability of the wind direction values; and

    employing the range of search directions to identify a location of the suspected gas leak source, to facilitate a repair of the gas leak source.

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