Electrochemical noise monitoring produces real time corrosion data, which provides information both on the level of corrosion activity in a system and the dominant corrosion mechanism. This data can be used to efficiently evaluate corrosion inhibitor effectiveness and to optimize injection rates. This paper will present data obtained in Canada's Kaybob South Sour Gas field during inhibitor evaluation and optimization testing. Details of the field equipment setup and the data analysis process will be presented along with conclusions regarding inhibitor effectiveness and the field use of electrochemical noise monitoring for inhibitor evaluation.
The inhibitor testing completed in the Kaybob South field was successful in significantly reducing
inhibitor costs in the field as well as in increasing confidence in inhibitor performance and better understanding
of how the inhibitors work in the system. It was also successful in proving electrochemical noise is a viable
option for field inhibition testing and that by using electrochemical noise it is possible to obtain complete
inhibitor testing in the field in a very short period of time compared to traditional testing methods