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Soil Monitoring
Corrosion of underground pipelines costs the oil & gas industry millions of dollars each year. Due to more recent safety regulations enforced by the government, pipeline operators are coming under great pressure to provide enhanced protection of pipelines in high-consequence areas, in the form of pipeline integrity programs. These programs are developed to improve safety by assessing and
reducing the impact of external corrosion on pipeline integrity. Pipeline operators are now required to follow a process called the External Corrosion Direct Assessment (ECDA). Such a program is laid out in the NACE International Recommended Practice RP0502-2002.
ECDA consists of four steps: Pre-assessment, Indirect Inspection, Direct Examination, and Post-assessment. Soil Corrosivity is a factor to be considered in the preassessment process and influences where corrosion is most likely to occur. Soil corrosivity is often estimated, or inferred from soil resistivity measurements, but this is not
quantitative.
The new Corrater® Soil Corrosion Rate Monitor changes all of that, and allows a quantitative measurement to be made quickly and easily at the time of the pipe excavation and inspection. Multiple readings can be taken, at different locations around the pipe to check on the consistency of the soil corrosivity.
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