这种洗井方法对洗井动力的利用比现今任何洗井方法都更为充分，具有强力快速洗井的特点，能对含水层产生多种冲洗和疏通作用。

This well-washing equipment can serve to wash and dredge water-bearing strata, and its washing dynamic utilizing is much more sufficient than any other methods ever.

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论述了水井井周渗透性降低的原因，从钻井方法、冲洗液性能、建立人工过滤层、洗井等方面探讨了改善渗透性的措施。

Measures to improve perrne- ability reduction are discussed in terms of the drilling method, fluid properties, artificial infiltration layer, and well flushing, etc.

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