It is proposed that foam adsorption layer possesses the advantage of hydrophobicity and viscoelasticity , and forms an barrier for the invasion of free water to wellbore wall .

• 气泡在井壁的粘着吸附分为四个过程,即接触发生、水层减薄、水层破裂、最终形式是形成三相润湿周边,产生具有疏水性、粘弹性的泡沫吸附壁,从而起到抑制井壁表面水化的作用。