The addition of MMH can not only increase the ratio of yield to plasticity of polymer mud with sulphonated additives,but improve its inhibition and strengthen its high temperature stability.

• 正电胶加入聚磺钻井液中，不仅能提高聚磺钻井液的动塑比，而且还能提高聚磺钻井液的抗温能力，改善钻井液抑制性能，从而使形成的复合金属聚磺钻井液体系抗温能力增强，性能稳定，机械钻速得到提高。