Abstract: In the production process of shale oil refining in mining areas, a certain amount of oily sludge is produced each year, which requires regular collection, cleaning and storage. The treatment and disposal of hazardous waste is a key challenge that this project aims to overcome. The research, development, and engineering design of the process for extracting shale oil from oily sludge are carried out under normal temperature and pressure. While ensuring production safety, the process integrates the treatment and disposal of oily sludge into the production process, thereby separating shale oil from the sludge. This approach turns waste into valuable resources and increases economic benefits. It overcomes the challenges of complex procedures and high costs associated with hazardous waste treatment, representing a pioneering design in the oil shale industry. The equipment operates in a closed system, producing no toxic or hazardous gases, and complies with national environmental protection requirements. With no risk of secondary pollution, it delivers considerable environmental and social benefits.

Key words: shale oily sludge, shale oil extraction from oily sludge, engineering design of shale oily sludge, oily sludge disposal