System and method for detecting and quantifying changes in...

G - Physics – 01 – M

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G01M 3/32 (2006.01) G01G 17/04 (2006.01)

Patent

CA 2671247

A storage tank leak detection system, including a quartz crystal type pressure transducer held at a constant temperature, a bubbler-based pressure sensor for reporting tank bottom pressure measurements to the transducer, a fluid surface measurement apparatus to report liquid surface pressure to the transducer, atmospheric pressure measuring apparatus, and a computing system for, based on data reported by all components, effecting data correction (corrected for atmospheric and container physical variations during data gathering) and regression techniques to yield data indicative of changes, if any, in mass content of a liquid storage container, such as a surface storage tank for petroleum and other chemicals.

L'invention concerne un système de détection de fuite de réservoir de stockage qui comprend un transducteur de pression de type à quartz maintenu à une température constante, un capteur de pression fondé sur un barboteur pour rapporter des mesures de pression de fond de réservoir au transducteur, un appareil de mesure de surface de fluide pour rapporter une pression de surface de liquide au transducteur, un appareil de mesure de pression atmosphérique, et un système informatique pour effectuer, en fonction des données rapportées par tous les composants, une correction des données (corrigées pour des variations atmosphériques et physiques de contenant pendant un regroupement de données), et des techniques de régression pour produire des données indiquant des changements, le cas échéant, dans la teneur en masse d'un contenant de stockage de liquide, tel qu'un réservoir de stockage de surface pour le pétrole et d'autres produits chimiques.

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