Fireplace departments in Billings and Lockwood, Montana, responded to the scene, the Billings Fireplace Division tweeted.
As of early Sunday morning, no accidents had been reported, an ExxonMobil spokesperson informed CNN affiliate KULR.
CNN reached out to ExxonMobil for extra particulars.
The refinery is positioned on the financial institution of the Yellowstone River close to Lockwood, Montana, in response to the ExxonMobil web site.
It covers 720 acres, which incorporates about 370 acres of undeveloped land and concrete wildlife habitat space, in response to the web site.
