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Venkoparao, V. and Sai, B. (2013) Method and Apparatus for Automatic Sediment or Sludge Detection, Monitoring, and Inspection in Oil Storage and Other Facilities. US Patent No. 8452046.

has been cited by the following article:

• TITLE: Experimental Investigations of Various Methods of Sludge Measurements in Storage Oil Tanks

  AUTHORS: Manuel Monteiro, Victor Svet, Donald Sandilands, Sergey Tsysar

  KEYWORDS: Storage Tanks, Sludge, Volume of Sludge, Acoustic Bathymetry, Thermography

  JOURNAL NAME: Advances in Remote Sensing, Vol.4 No.2, June 17, 2015

  ABSTRACT: This article describes the results of experimental studies into various methods of measuring sludge volume and its 3D spatial distribution using a base of data received from the inspection of more than 30 storage tanks of different types: external floating roof, internal floating roof and fixed roof. The advantages and disadvantages of making measurements with existing methods are discussed, including the problem of accuracy. Numerous examples of tank survey results are presented.