Process for recovering crude oil from crude oil which has thickened to form oil sludge and sedimented, and equipment for carrying out the process

摘要

Process for recovering crude oil from residues, consisting of crude oil thickened to form oil sludge and sedimented in a storage vessel or transport vessel, is characterised in that the oil-containing residues are suspended or dissolved back into the liquid phase by means of crude oil or fractions thereof injected by means of hydrodynamic energy under pressure into the residues.