CNBC | Offshore oil production cut as tropical depression heads to Gulf Coast CNBC Operators shut down about 11.5 percent of oil production and 5.5 percent of natural gas output in the gulf by midday on Monday, according to the Bureau of Environmental Safety and Enforcement. The shut-ins are a common measure to taken for safety and ... US Regulators Warn Drillers to Find Solution to Subsea Bolt Failures Over 11% Of Gulf Of Mexico Daily Oil Output Shut-In As Storm Looms |