Remote corrosion monitoring system
AssigneePetroleo Brasileiro S.A. - Petrobras
InventorHeraldo Raimundo Pinto Pamplona
Life of this patent
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Abstract
The present invention addresses to a Corrosion Remote Monitoring System (CRMS) for integral application in the inspection of metallic structures, located in environments with high humidity index (TVZ), aiming at protecting the pipings from the action of external corrosion in the oil and gas industry segment, as it is of great importance for the preservation of the structural integrity of the installations, operational safety and preservation of the environment, in this last aspect, for preventing hydrocarbon leaks at sea. The installation of the Corrosion Detection System (CDS) in any Production Unit (PU) does not require any type of adaptation and additional space, and can be implemented in offshore units.
Claims7
A corrosion remote monitoring system, configured to be used on a pipeline located in a tidal variation zone (TVZ), the system comprising:
- at least one sensor electrode assembly comprising:
- an insulating element configured to be disposed on an external surface of the pipeline;
- a pair of sensor electrodes disposed over the insulating element, a first sensor electrode of the pair of sensor electrodes spaced apart from a second sensor electrode of the pair of sensor electrodes on the insulating element;
- a permo-porous material covering the pair of sensor electrodes;
- a sealing barrier configured to completely cover the permo-porous material, the pair of sensor electrodes, and the insulating element;
- and
- a composite material completely covering the sealing barrier;
- an electronic panel comprising five electrical sensors, each electrical sensor electrically connected to a LED;
- at least one conductor cable reinforced with aramid wire;
- and
- an electrical source;
- wherein each conductor cable electrically connects one of the at least one sensor electrode assembly to one of the five electrical sensors on the electronic panel, and the electrical source;
- wherein each conductor cable is configured to capture an electrical signal generated by external corrosion through the pipeline via the one of the at least one sensor electrode assembly;
- and
- wherein each LED is configured to light up when the electrical signal from each conductor cable is detected in one of the five electrical sensors on the electronic panel.
Dependencies are inferred from the claim text.