Presently, water-surveyed permeability damage rate of the carbamidine glue in-field used in reservoir is all above 54%. There maybe exist damage in the operation of acid treating.

• 目前现场使用的胍胶压裂液对储层造成的水测渗透率损害率(D_k)均在54%25以上，在酸化解堵作业过程中可能存在污染、损害。