File Name : figs1.pdf

Caption : (a) the density curves of non-polar shale oil molecules under different gor conditions, and (b) the density curves of polar shale oil molecules.

File Name : figs2.pdf

Caption : schematic diagram of quartz surface configurations with different roughnesses: (a) smooth quartz after methylation treatment; (b) quartz after methylation treatment following atomic removal

File Name : figs3.pdf

Caption : (a) magnitude of the interaction energy between oil and the wall surface(b) magnitude of the interaction energy between gas and the wall surface(the unit of surface roughness is nm)