YPF did not specify the structure of the agreement, what stake had been sold or the location of the 1240-square kilometre area concerned.
But YPF, renationalised in 2012, said the deal was "done with a view to exploration and delineation of high-potential acreage, as well as the implementation of a pilot project to extract unconventional oil and gas."
"We are very pleased to partner with a company like Pluspetrol, which is noted for its professionalism," YPF chief executive Miguel Galuccio said.
"It
