Upgrading shale oil

Claim 1

In a process for upgrading full range shale oil derived by retorting oil shale which process is conducted by contacting said full range shale oil in the presence of hydrogen with a composite dewaxing catalyst comprising a metal and a crystalline zeolite consisting essentially of one having a silica/alumina ratio greater than 12 and a constraint index of about 1 to 12, the improvement which comprises: contacting said full range shale oil in admixture with hydrogen with a hydrotreating catalyst at hydrotreating conditions to convert organic compounds of sulfur, nitrogen, oxygen and metal and passing substantially the entire effluent of such hydrotreating in cascade fashion into contact with said dewaxing catalyst at conversion conditions of temperature, pressure, space velocity and hydrogen concentration of a severity to hydrodewax the shale oil while simultaneously converting at least 50% of the shale oil boiling above about 750° F. to reaction products boiling below 750° F.; said severity including a temperature of 750° to 1000° F. and space velocity of 0.25 to 1 volumes of said shale oil per volume of catalyst per hour.