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The number of working oil and gas rigs in the U.S. rose by 4 to 731 during the last week, Hughes Tool Co. said. At this time last year, the count was 1,932, down from 4,500 in 1981.
The number of working oil and gas rigs in the U.S. rose by 4 to 731 during the last week, Hughes Tool Co. said. At this time last year, the count was 1,932, down from 4,500 in 1981.