The adsorption of asphaltene and resin on quartz sands makes the surface property of the quartz sands transfer from strong water-wet to oil-wet.

• 沥青质和胶质在石英砂上的吸附使得石英砂表面由强亲水向油湿方向转化，但这种转化作用与沥青、胶质浓度不成正比。