System and method for flexible conversion of feedstock to oil and gas

A feedstock conversion process for simultaneously producing synthetic crude oil and syngas from first and second feedstocks (1590a & 1590b), the process comprising:

• subjecting, in a first chamber (1000a), the first feedstock (1590a) to a first indirectly-heated hydrous devolatilization process using steam as a fluidization medium and operating under a first set of processing conditions, to produce a first coarse mixed stream (1610a) containing char and first volatile reaction products (1375a);
• subjecting, in a second chamber (1000b), the second feedstock (1590b) to a second indirectly-heated hydrous devolatilization process using steam as a fluidization medium and operating under a second set of processing conditions to produce a second coarse mixed stream (1610b) containing char and second volatile reaction products (1375b);
• separating volatile reaction products (1375a, 1375b) from char in the first coarse mixed stream (1610a) and the second coarse mixed stream (1610b) to create a first fine mixed stream (1380a) and a second fine mixed stream (1380b) and a first char stream (1360a) and a second char stream (1360b);
• inputting the first char stream (1360a) into a common reactor (1500) via a first conduit (1355a), and introducing the second char stream (1360b) into the common reactor (1500) via a second conduit (1355b), and converting the first char stream (1360a) and the second char stream (1360b) into syngas via an indirectly heated thermochemical process of steam reforming, partial oxidation, or both;
• and
• condensing at least a portion of both the first and second volatile reaction products (1375a, 1375b) from the first and second fine mixed streams (1380a, 1380b), to produce synthetic crude oil;
• wherein:
• the first and second feedstocks (1590a & 1590b) differ from one another in composition and moisture content.