A perforating charge designed to provide a long perforation tunnel, such as may be required to bypass any near-wellboredamage.
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。
2
Unlike sand migration that is best stabilized, the material mobilized in fines migration should be produced to avoid near-wellboredamage.
与砂粒运移(它被充分地稳定处理)不同，在细粒运移中被调动的物质应被采出，以避免近井地带的损害。
3
Meanwhile, reverse imbibitions water blockage effect would be appeared to further damage the near the wellbore formation, especially in the low permeability and low productivity condensate gas Wells.