| abstract |
The invention relates to a method for treating a heavy oil which, according to one embodiment, may comprise the recovery of at least a portion of the heavy oil to form a valued oil, the upgrading comprising contacting the the heavy oil with a hydrodemetallization catalyst, a transition catalyst, a hydrodenitrogenation catalyst and a hydrocracking catalyst for removing at least a portion of the content of metals, nitrogen or aromatics from the heavy oil and form the upgraded oil. The method may further comprise transferring at least a portion of the upgraded oil to a separation device that separates the upgraded oil into one or more transport fuels, the final boiling point of the upgraded oil being less than or equal to 540 ° C. |