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June 18, 2013

UPDATE: Oil pipeline inspection underway at Oologah Lake

OOLOGAH —

A routine maintenance inspection of an oil pipeline below the floor of Oologah Lake is currently underway, according to information provided by the U.S. Army Corp of Engineers Tulsa District.

The pipe inspection site, located northeast of Goose Island, is part of the Ozark Pipeline, which currently transports light crude oil from Cushing to Wood River, Ill. 
Oologah Lake currently supplies water to several local municipalities, including Claremore and parts of Tulsa. 
Enbridge Pipelines, LLC is visually inspecting a 40-foot section of the submerged pipeline, stretching 8,000 feet below 30 feet of water, said Enbridge Project Manager Corey Dahlin. 
Enbridge routinely performs in-line inspections, according to the maintenance project report.
A barge was launched Friday in the lake and a target area for the inspection was marked by anchors to ensure that the barge does not move during white caps or windy weather.
“Anytime on our mainline pipes when we expect some sort of anomoly, we like to get down to the pipeline itself for inspection,” said Dahlin. 
“We currently have two divers down there inspecting the coating, which they will then remove and inspect the pipe itself. Afterwards we will perform a non-destructive testing using ulstrasonics under water to see if there are any extra metal in the pipelines or cracks in the pipeline.”
Oil will be shut off during the inspection for any repairs that need to made.
“If there any areas in need of repair, then we do have the correct repair methods to make sure that the particular part is working properly,” he said. 
Enbridge contacts local community leaders, elected officials and regulatory agencies prior to any pipeline work.
“Right now the pipeline is full of nitrogen, so if anything were to happen to the pipeline, no oil would be released,” said Dahlin. “We still want to take every precaution and have every detail planned out to a T.”

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