ExxonMobil’s two shale wells drilled in Poland’s Podlasie and Lublin Basins have failed to flow commercial volumes of gas.The two wells, Siennica-1 which was drilled to a total depth of 3,847m (12,622ft) on the Minsk Mazowiecki block in the Podlasie Basin, and the Krupe-1 … 3,807m (12,49 ft) -Chelm block in the Lublin Basin, were completed with hydraulic fracturing late last year. Gas was found but neither well achieved significant output on test.