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。
Unlike sand migration that is best stabilized, the material mobilized in fines migration should be produced to avoid near-wellbore damage.
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。
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.
同时，在近井带还会形成反渗吸水锁效应，从而进一步加剧近井带地层伤害，对低渗低产凝析气井，这一现象尤为严重。
The method of using mixture of HF and HCL to treat sandstone formations of remove formation damage near the wellbore is a widely used stimulation treatment.
使用土酸处理砂岩地层，解除井壁附近地层伤害，是广泛采用的一种增产措施。
By the linear relationship between newly introduced variable AD and BD, wellbore storage coefficient (c) has been reached, meanwhile, wellbore 's damage coefficient (s) has been given.
由新引进的变量ad和BD之间的直线关系，求出了井筒存储系数C值。同时，给出了井筒污染系数S值。
By the linear relationship between newly introduced variable AD and BD, wellbore storage coefficient (c) has been reached, meanwhile, wellbore 's damage coefficient (s) has been given.
由新引进的变量ad和BD之间的直线关系，求出了井筒存储系数C值。同时，给出了井筒污染系数S值。
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