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。
The rules of perforation exposing process and combustion of mixed charge under different temperature, propellant type and web size are compared.
比较了不同的温度、药型和弧厚条件下，混合装药的破孔及燃烧规律。
The rules of perforation exposing process and combustion of mixed charge under different temperature, propellant type and web size are compared.
比较了不同的温度、药型和弧厚条件下，混合装药的破孔及燃烧规律。
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