不少专家、学者对射孔损害机理和保护技术也进行了研究，但都比较零散，比较系统地总结了他们的研究结果。
Quite a few specialists and scholars have studied the damage mechanism and protective technologies, but it is all relatively scattered.
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。
A perforating charge designed to provide a long perforation tunnel, such as may be required to bypass any near-wellbore damage.
在不洁的射孔液中进行射孔会造成难以处理和去除的显著的渗透率损害。
Perforating in a dirty fluid may result in significant permeability damage that is difficult to treat and remove.
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