Extreme overbalance perforating is a new perforation completion technique.
超正压射孔工艺是一项射孔完井新技术。
Perforation of the direction is a new type of perforating technology which can determine the direction under the well.
而定方位射孔技术是一种可以进行井下有方向性射孔的新型射孔工艺技术。
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。
Because of the overbalance conditions at the time of perforating, the perforating acid is forced into the newly formed perforation tunnel to stimulate the crushed zone.
由于在射孔时处于过平衡状态，射孔酸被压入新形成的射孔孔道内并对压碎区进行增产处理。
The law conversation of energy and the hole diameter formula of jet perforating are employed to deduce the relationship of diameter and velocity of jet for cylindrical hole of perforation concrete.
文中根据能量守恒原理及侵彻孔径公式，推导了获得圆柱形穿孔的射流直径与速度的关系。
Based on the analysis of test difficulties, the technique of combining test with perforation and solids-free perforating fluids were employed.
在分析该井测试作业技术难点的基础上，决定采用测试-射孔联作工艺及无固相射孔液。
Based on the analysis of test difficulties, the technique of combining test with perforation and solids-free perforating fluids were employed.
在分析该井测试作业技术难点的基础上，决定采用测试-射孔联作工艺及无固相射孔液。
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