It has high cleaning, reasonable structure, large capacity, small power consumption, less and loss, and low failure rate, is the best choice for upgrading of domestic sand washing equipment.
它具有洗净度高、结构合理、处理量大、功率消耗小、砂子流失少、故障率低等特点，是国内洗砂设备升级换代的最佳选择。
Sand washing in horizontal Wells requires that the sand are carried out of surface without new damage on pay zones. This requires the reasonable flow rate and pressure in horizontal Wells.
水平井冲砂既要做到将砂粒冲出地面又不能在井底对储层造成新的污染，这就要求采取合理的水平井冲砂液流量和冲砂压力。
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