This video from the USA says about itself:
Massive Oil Spill Hits Gulf Of Mexico
23 October 2017
“On Thursday, the Coast Guard reported that the amount of oil discharged from a damaged pipeline 40 miles offshore of Venice, Louisiana was significantly more than initially reported. The pipeline, operated by LLOG Exploration at its Delta House well site, was secured upon discovery of the leak. The spill is still not expected to reach shore.
On Wednesday, LLOG reported a revised estimated volume of unaccounted-for oil to the Coast Guard and the Bureau of Safety and Environmental Enforcement, based on additional data. These new calculations indicate that the total volume of oil discharged could be as much as 16,000 barrels (nearly 700,000 gallons), rather than the 9,000 barrels initially reported.”
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See also here.