詳細(xì)說(shuō)明

     After the completion of multi-layer fracturing construction, it is necessary to remove the entire well string and backwash the well, which can achieve a single circuit from the wellhead to the bottom of the well, achieve the purpose of cleaning the entire well, thoroughly sand flushing, and ensure the smooth removal of the string.

        5-1/2Parameters and layering level of the sliding sleeve sandblasting device inside the casing