Natural gas well. Cut-away 19th century artwork of a natural gas well. To reach the natural gas (9) several layers have to be drilled through. These include the soil (1), limestone rocks (2) and various shales (4-7). Image from 'La Science Illustree' Louis Figuier (1895). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Modell-Rechte: | nicht erforderlich |
Länge: | 21 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |