| 摘要 |
<p>A pumping apparatus for pumping crude oil comprises a pump means operatively positioned in a crude oil pipe line for pumping oil therethrough, an engine operatively connected to the pump means for driving said pump means, a heater and flash vessel for receiving and heating a portion of the crude oil therefrom arranged to flash/evaporate the majority of the lighter fractions from the portion of the crude oil, to leave a residue of crude oil which has a flash point of greater than about 60°C, and means to convey conditioned crude oil having a flash point of less than 60°C to said engine to provide a fuel for driving the pump. In a variant, two additional flash vessels are provided which vaporise crude kerosene and diesel fractions in sequence from the conditioned crude oil, and which are condensed for use as fuels.</p> |
