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。
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