NEW YORK, Nov 15 (Reuters) - U.S. cash crude differentialswere mostly weaker on Friday after a rise in inventories andproduction in the United States and a refinery fire on the GulfCoast weighed on prices, brokers and traders said.
A Chevron Corp worker was killed in the fire thatbroke out early Friday morning at a cracking unit at thecompany's 330,000-barrel-per-day refinery in Pascagoula,Mississippi.
Oil production in North Dakota, home to the giant Bakkenshale oil formation, rose to 932,000 barrels per a day (bpd) inSeptember, data from the state's Department of Mineral Resourcesshowed on Friday.
Bakken crude at the Clearbrook, Minnesota, hub traded at$13.75 under the benchmark U.S. crude futures on Friday.
Crude oil inventories in the world's largest oil consumerrose by 2.6 million barrels last week, data released on Thursdayfrom the U.S. Energy Information Administration (EIA) showed.
Stocks at the Cushing, Oklahoma, storage hub rose by 1.7million barrels, the EIA said.
The Cushing hub is the delivery point for the U.S. lightsweet crude contract traded on the New York Mercantile Exchange(NYMEX). West Texas Intermediate (WTI) crude is the NYMEXcontract's benchmark crude.
Light Louisiana Sweet for December delivery traded at$2.00 and $1.70 over the benchmark U.S. crude futures,weaker after trading on Thursday from $2.25 and $2.75 per barrelover the benchmark.
Mars Sour crude, produced in the Gulf of Mexico,traded at $2.90 and $3.25 a barrel under the benchmark, weakerafter Thursday's trades at $2.25, $2.50 and $2.70 under.
Eugene Island traded at $1.15 under the benchmark,weaker after Thursday's trade at $1.00 below the futuresbenchmark.
Bonito Sour traded at $1.00, $1.15 and $1.25 under thebenchmark futures, after trading on Thursday between from 20cents and $1.20 per barrel under the benchmark.
Thunder Horse crude traded at $1.25 under thebenchmark, after offers were pegged as strong as 50 cents overthe benchmark on Thursday, with bids sighted at 75 cents under.
West Texas Intermediate at Midland , another sweetgrade, traded from $4.50 to $3.80 under the benchmark futures,with most trades seen getting completed at $4.00 under. Thatcompared to Thursday's trades at $4.50 and $4.00 per barrelbelow the benchmark.
West Texas Sour , also in Midland, weakened slightly,trading at $5.25 under the benchmark. WTS traded on Thursday at$5.00 under the benchmark.
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