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Oil around flooded well believed to be contained

TRENTON, N.D. — Containment booms are surrounding a flooded oil well near the confluence of the Missouri and Yellowstone rivers to prevent oil that leaked from a tank from spilling into the rivers, the North Dakota Department of Health said.

Crews used two boats to deploy about 6,200 feet of absorbent booms Friday to contain oil from a well site owned by Zavanna that had breached the dike.

“They believe they got all the oil contained,” said Kris Roberts, environmental response team leader with the Health Department’s Division of Water Quality.

The oil leaked from a tank that had floated and had a valve break, Roberts said.

The tank contained an estimated 33 barrels of oil, or 1,386 gallons, but crews don’t believe that entire amount released, Roberts said.

“We’re pretty certain it was a lot less than that,” Roberts said of the spill.

The oil that spilled breached the dike of the well, but did not reach the actual river channel, said Travis Pfaff, production manager for Zavanna.

The company, with headquarters in Denver, has three cleanup crews working in the area, coordinated by a production supervisor who works in Williston, Pfaff said.

Cleanup crews also put containment booms around three other wells that have water within the dikes but have not released oil off site, Pfaff said.

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