Mini refineries can be designed and manufactured as integrated and portable modules on steel structure or installed on trailers in order to produce valuable products from crude oil or other potential feeds. Corresponding to the facilities of user, i.e. availability of power, water, instrument air, etc., appropriate equipment can be installed on this unit. These units are utilized in remote places and wells with low production capacity that do not deserve high investment, sources with limited feed and operation duration, emergency and war situations that temporarily fuel is required.