A Shell oil facility has leaked nearly 90,000 gallons of oil into the Gulf of Mexico, according to federal authorities. The spill has left a two-mile by thirteen-mile sheen in the Gulf, approximately 165 miles southwest of New Orleans. A helicopter first noticed the spill near Shell’s Brutus platform on Thursday morning, according to Shell spokeswoman Kimberly Windon.

“There are no drilling activities at Brutus, and this is not a well control incident,” Windon told the Associated Press. Instead, authorities believe the leak came from a release of oil from subsea infrastructure, from a line connecting four wells. According to the Wall Street Journal, Shell had dispatched boats Friday to begin cleaning up the spill.

“We are working with the United States Coast Guard and the National Oceanic Atmospheric Association to define the best approach to contain and clean up the sheen,” Windon said.

According to the United States Coast Guard, the leak has been secured, and the Bureau of Safety and Environmental Enforcement is reporting no injuries from the spill.

Local activists, however, are unconvinced by reports that the spill is over. The spill occurred a little less than 100 miles due south […]