Oil output from seven major shale formations in the United States is expected to rise by 79,000 barrels per day to 7.6 million bpd in October, the U.S. Energy Information Administration said Monday.  Surging oil output from shale formations boosted total U.S. crude production to a record high of nearly 10.7 million barrels a day in June, the latest month for which data is available. Production is expected to rise 31,000 bpd in the Permian formation of Texas and New Mexico, the agency said in a monthly report. The output from five other major shale formations is expected to rise in the month. Output in the Haynesville shale, the smallest of the seven formations that the EIA tracks, was expected to be unchanged at 43,000 bpd in the […]