bonded gravel screen 被耦合的砾石滤网
pre-packed gravel screen 携砾过滤器
gravel fluid screen 砾石充填液滤器
gravel pack screen sand control 砾石充填筛管防砂
gravel washer washing screen 洗砾筛
screen tube gravel pack 割缝管砾石充填
Aimed at the characteristic of horizontal well, combined with large amount of laboratory tests, double-wall pre-packed gravel screen is developed.
针对水平井成井特点，结合大量室内试验，研制了双壁预充陶粒携砾过滤器。
The flame arrester fire resistance reservoir structure have gravel type, type or corrugated metal screen type.
阻火器的阻火层结构有砾石型、金属丝网型或波纹型。
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.
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。
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