Pipeline rupture incident report released; Rupture caused by pipe corrosion [View all]
A stress corrosion crack caused the massive natural gas explosion March 3 north of Mexico, according to an incident report.
The report, filed by Energy Transfer Partners with the Pipeline and Hazardous Materials Safety Administration, was released April 2. Energy Transfer is the owner of the Panhandle Eastern Pipeline, which ruptured approximately one mile north of Mexico near Missouri Highway 15. The company had 30 days to submit a report to the safety administration.
The 30-inch diameter pipe is comprised of carbon steel, with a specified minimum yield strength of 60,000 pounds per square inch. Pressure inside the pipe did not exceed the maximum allowable operating pressure. The investigation did not find evidence of human error or control room malfunctions.
The widest part of the rupture was 94 inches and the entire rupture’s circumference was 864 inches in a pipe buried five feet underground. Two people were evacuated from the incident area, but no injuries or fatalities were reported.
https://www.hannibal.net/news/20190412/pipeline-rupture-incident-report-released-rupture-caused-by-pipe-corrosion
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