HOUSTON (Reuters) – An intensifying tropical storm in the U.S. Gulf of Mexico on Thursday cut more than half the region’s oil output, with energy companies evacuating staff from nearly 200 offshore facilities and a coastal refinery.
Oil firms shut more than 1 million barrels per day of oil production, 53% of Gulf of Mexico’s output, and 1.2 billion cubic feet per day of natural gas production, according to a U.S. regulator.
Tropical Storm Barry was forecast to become a category one hurricane with at least 74 mile-per-hour (119 km-per-hour) winds and bring as much as 25 inches (64 cm) of rain and tornados to some areas. It became a named storm on Thursday on its path through the north central Gulf of Mexico, a major oil-producing region.
Despite the production cuts, U.S. crude, natural gas and gasoline futures slipped after the Organization of the Petroleum Exporting Countries forecast weaker demand for its output next year.
Dozens of oil and gas producers have removed staff from 191 production platforms, according to offshore drilling regulator U.S. Bureau of Safety and Environmental Enforcement. It said seven rigs and 11 drill ships were evacuated or moved out of Barry’s path.
Phillips 66 (PSX.N) evacuated staff and halted operations at its 253,600-barrel-per-day (bpd) Alliance, Louisiana, refinery and pipeline operator Enbridge Inc (ENB.TO) also evacuated three offshore platforms and halted some deepwater Gulf of Mexico natural gas pipelines.
The storm prompted Anadarko Petroleum Corp (APC.N), Chevron Corp (CVX.N), Royal Dutch Shell Plc (RDSa.L) and others to move staff out of the path of the storm and many halted production, according to company reports.
Crude futures, which rose more than 4% on Wednesday, settled at $60.20 a barrel, down 23 cents on the day but near a six-week high. Gasoline futures slipped a fraction.
The National Weather Service issued a hurricane warning for part of the Louisiana coast by Friday night and projected landfall over the state’s central or southeastern coast.
Data provider Refinitiv said natural gas output in the Lower 48 states could drop to a seven-week low of 87.2 billion cubic feet per day (bcfd) on Thursday due to the closings, from a record high of 91.1 bcfd on July 5.
With winds of 40 mph, the storm late Thursday was about 90 miles (145 km) south of the mouth of the Mississippi River, moving west at about 5 miles per hour (7 km per hour). It could make landfall on Saturday on the Louisiana coast and bring 10 inches to 20 inches (38 cm) of rain to the central Gulf Coast, forecasters said.
Barry’s winds could drive ocean water up the Mississippi, forecasters said, with a 3-foot to 6-foot (0.9-meter to 1.8-meter) storm surge at the mouth of the Atchafalaya River, according to the National Weather Service.
Phillips 66’s Alliance refinery sits next to the river 39 miles (63 km) south of New Orleans. The last hurricane to flood the refinery was 2012’s Hurricane Isaac. The refinery was also shut by Hurricane Gustav in 2008 and Hurricane Katrina in 2005.
In 2017, Hurricane Nate led Phillips 66 to shut the refinery, which was restarted within days as the storm turned away from the area.
Reporting by Erwin Seba in Houston and Scott DiSavino in New York; Editing by David Gregorio and Lisa Shumaker
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