A maze of crude oil pipes and valves is pictured during a tour by the Department of Energy at the Strategic Petroleum Reserve in Freeport, Texas, U.S. June 9, 2016. President Joe Biden's plan announced in March of the largest release of oil from SPR in history had aimed to sell 180 million barrels by the end of October. So far, only 155 million barrels have been sold and the next sale will bring the total to 165 million barrels, the department said. The SPR holds oil in heavily-guarded former salt caverns along the Gulf of Mexico coast. Register now for FREE unlimited access to Reuters.com RegisterThere is no date set for selling a full 180 million barrels.

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