Reasonable operating parameters, such as flow rate, flow split ratio and pressure drop, are worked out, and the field technological process of the hydrocyclone is investigated tentatively.
摸索出了较为合理的操作参数（处理量、分流比及压力降等），并对预分离水力旋流器的现场应用工艺流程进行了初步探讨。
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。
It has advantages such as reasonable flow channel structure; low pressure drop; high processing ability, high mass transfer efficiency, good design flexibility and wide applicability.
它的特点是流道结构合理，阻力降小，处理能力大，传质效率高，设计弹性大，适用范围广。
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