Innovation by American energy companies has led to a glut of the lighter forms of crude oil found in U.S. shale basins such as Eagle Ford, Barnett and Permian Basin. — Will Hurd Copy Share Image
Immense deposits of kimmeridge clay, containing the oil-bearing bands or seams, stretch across England from Dorsetshire to Lincolnshire. [An early political recognition of the native resource. The Geological Survey had identified the inflammable oil shale in reports since at least 1888.] — Winston Churchill Copy Share Image
![“Immense deposits of kimmeridge clay, containing the oil-bearing bands or seams, stretch across England from Dorsetshire to Lincolnshire. [An early political recognition of the native resource. The Geological Survey had identified the inflammable oil shale in reports since at least 1888.]” quote by Winston Churchill](https://sms4smile.com/quotes/img-quotes/f52/winston-churchill-95_band_immense-deposits-of-kimmeridge-clay-cont_2429959.jpg)