当然，根据实际物料情况，其中整套设备还包括振动给料机、输送带(皮带机)、振动筛和洗砂机。
Of course, according to the actual condition of material, including the whole equipment includes vibrating feeder, conveyer belt (belt machine), vibrating screen and wash the sand machine.
由于携砂液向地层的滤失以及通过筛管缝隙的流体质量交换，水平井砾石充填过程中冲筛、井筒环空两个流动系统均为复杂的变质量流。
During the process of gravel-packing in horizontal Wells, there are the filtration flow of the carrier fluid to the formation and the exchange flow through the screen slots.
描述了割缝筛管防砂机理及割缝筛管筛缝宽度的确定方法，研究了割缝筛管与地层充填砂的配伍性。
It was described to confirm the mechanism of slotted screen liner sand control and its screen fractured width.
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