Nov. 19 (Bloomberg) -- Enbridge Energy Partners LP is performing “investigative digs” on Line 6B, which was shut Nov. 17 for what the company described as routine work, a spokeswoman said in an e-mail.
The company doesn’t have an “exact time” for when the line will return to service, Lorraine Grymala said. The locations of the digs are based on data from an inline inspection tool, she said.
Enbridge is under a corrective action order that requires it to conduct “integrity verification tests along Line 6B to identify areas needing repairs,” Damon Hill, a spokesman for the Pipeline and Hazardous Materials Safety Administration.
Line 6B runs from Griffith, Indiana, to Sarnia, Ontario, and has a capacity of 290,000 barrels a day if enough storage is available, according to the company website.
The line was restarted in September after being closed since a July 26 rupture that spilled 19,500 barrels of oil near Marshall, Michigan. The shutdown reduced heavy crude supplies for refineries in Ohio, Pennsylvania and Ontario.
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