套管内砾石充填防砂是一种行之有效的防砂方法。
The gravel packing in casing is a effective method to prevent sand production.
为水平井砾石充填防砂设计提供了优化设计参数。
It provided the optimum design parameters for gravel packing sand control design in horizontal well.
特别对砾石充填、固井和射孔等方面的问题作了较详细的讨论。
The problems of gravel pack, cementing and perforation are dwelled upon in special.
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