The technology uses deep penetration perforation charge with high perforation density and large perforation diameter and surging perforation with greater pressure differential.
它采用高孔密大孔径深穿透射孔弹和大压差抽吸炮眼清洗技术，不仅能提高油井产能，解除近井带污染，还可以改善防砂完井效果。
A perforating charge designed to provide a long perforation tunnel, such as may be required to bypass any near-wellbore damage.
为提供旁通近井地带损害等所需的长射孔孔道而设计的射孔弹。
On the basis of analyzing different characteristics of penetrating rocks by using jet and EFP of shaped charge, a new approach is presented to make a deep cylindrical perforation in rocks.
分析了聚能射流和爆炸成形弹丸（EFP）在侵彻岩石时的不同特点，提出了用EFP在岩石中侵彻圆柱形深孔的新方法。
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