The dispersion,migration,swelling and acid sensitivity of clay minerals are seriously ledding blockage of formation pore and therefore making great damage to the tertiary recovery of oil/gas.

• 粘土矿物的分散运移、膨胀以及酸敏导致沉淀物的生成，都严重地造成了地层孔隙的堵塞，对油气的三次开采造成了很大的危害。