若将馆陶组地层水作为注入水水源，必须在注入水中加入防膨剂以防止由于粘土水化膨胀而造成的地层伤害。
If the formation water in Guantao formation is used as a source of water injection, swelling preventing agent shall be added to the injected water to prevent formation damage from hydrated clay swell.
PTA粘土稳定剂是通过其表面的正电荷和大分子之间的分子间力强烈地吸附在粘土颗粒表面，防止粘土水化膨胀而起作用的。
The PTA may be by means of actions of its surficial positive charges and intermolecular forces among macromolecules to absorb on the surface of clay grains to prevent clay from hydrating swelling.
通过防止泥页岩水化膨胀的粘土稳定性能研究，讨论了它们的分子结构对抑制性的影响。
The effect of molecular structure of polymer to anti-swell ability are studied by analysing clay stabilization capabilities investigated.
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