Table 3. Interaction Energies between Different Components and Quartz (kJ/mol).

	29.8 MPa	34.9 MPa	39.6 MPa	44.7 MPa	49.5 MPa	54.1 MPa	58.6 MPa
van der Waals
Quartz-methane	–277.9	–239.5	–233.7	–210.9	–231.6	–241.1	–260.1
Quartz-n-octane	–734.5	–638.6	–493.4	–389.6	–269.7	–211.1	–169.9
Quartz-asphaltene	–4616.7	–4960.7	–4935.9	–5062.6	–4776.8	–4610.3	–4310.9
Electrostatic
Quartz-methane	–6.9	–4.9	–5.1	–3.7	–4.5	–5.1	–5.4
Quartz-n-octane	–33.2	–25.9	–18.8	–11.3	–6.7	–5.3	–3.6
Quartz-asphaltene	–3159.6	–3281.5	–3498.6	–3459.1	–3179.5	–3137.1	–2927.9