The properties including inhibition,mud filtrate control capacity,rheology,lubricity and formation protection ability of the new drilling fluid were evaluated in laboratory.

• 对聚醚多元醇钻井液的抑制性、流变性、滤失造壁性、润滑性以及对油气层的保护性能进行了室内评价实验,并分析了该钻井液的作用机理。