Aiming at high permeability and low pressure zones, a cement slurry system with reinforced toughness and no water loss is developed.

• 针对大庆油田调整井高渗低压地层固井过程中易漏、水泥浆失水较大导致固井质量较差的问题,研究开发了增韧防漏水泥浆体系。