Based on the analysis of the perforation applicability, sand production mechanism of formations, and sand control methods in production, a new method of sand control using high shot density was given.
对射孔器和射孔器适用性，地层出砂机理以及目前现场使用的各种防砂方式进行分析，提出了利用高孔密射孔进行防砂的思路。
Discusses the importance and design scheme of perforating charges with large diameter and perforating guns with high shot density;
描述了大孔径射孔弹和高孔密射孔枪系统的设计；
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