Hydroconversion of hydrocarbons

Claim 1

IN A PROCESS FOR THE HYDROCONVERSION OF A HEAVY HYDROCARBON OIL FEED STOCK HAVING A CONRADSON CARBON RESIDUE OF AT LEAST 1% BY WEIGHT AND SELECTED FROM THE GROUP CONSISTING OF CRUDE, REDUCED CRUDE, RESIDUA, SHALE, TAR SAND AND COAL TAR OILS AND MIXTURES THEREOF IN WHICH PROCESS AN INTIMATE MIXTURE OF HYDROCARBON CHARGE STOCK AND HYDROGEN IS PASSED THROUGH A TUBULAR REACTION ZONE UNDER CONDITIONS OF TURBULENT FLOW, THE IMPROVED METHOD OF CONSERVING HYDROGEN WHICH COMPRISES FORMING AN INTIMATE MIXTURE OF HYDROGEN AND SAID HYDROCARBON OIL FEED STOCK AT A PRESSURE BETWEEN ABOUT 500 AND 5000 P.S.I.G AND A TEMPERATURE AT WHICH SAID FEED STOCK IS LIQUID BUT NOT GREATER THAN 790*F. IN AN AMOUNT AT LEAST 1000 AND LESS THAN 5,000 S.C.F.B. HYDROGEN PER BARREL OF FEED STOCK, PASSING SAID INTIMATE MIXTURE THROUGH A TUBULAR REACTION ZONE UNDER CONDITIONS OF TURBULENT FLOW AT A TEMPERATURE AT WHICH SAID FEED STOCK IS LIQUID BUT NOT GREATER THAN 790*F. FOR A PERIOD OF TIME OF AT LEAST 4 SECONDS, THEN MAINTAINING SAID INTIMATE MIXTURE UNDER CONDITIONS OF TURBULENT FLOW AT REACTION CONDITIONS OF TEMPERATURE AND PRESSURE FOR A PERIOD OF TIME OF BETWEE 5 SECONDS AND 2 HOURS, SAID PERIOD OF TIME AT REACTION CONDITIONS BEING ACCOMPANIED BY THE CONSUMPTION OF HYDROGEN.