Feasibility study for a small refinery

I am looking to hire somebody to conduct a feasibility study to determine if a small refinery is a viable option for me. The proposed refinery will be a mini-refinery, designed to process bitumen, Vacuum Gas Oil (VGO), and Vacuum Residue (VR). In addition to the feasibility study, I need the contractor to provide an estimation of the cost of this project. I have some preliminary information but I need somebody to provide me with a comprehensive understanding of what’s required to make this refinery a viable option.

(Please note initial study and number are ready)