Oil pump at an oil well. This machine is commonly known as a nodding donkey or jack pump. It is used to draw crude oil from a well. Jack pumps are used when the pressure difference in the well is not sufficient for the oil to flow to the surface of its own accord | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bond, Martin |
Bildgröße: | 4000 px × 4848 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |