Casing completion is the most common and popular completion way but casings in a well can he inevitably damaged to different extent and by different measures.

• 摘要套管完井是最常见和最普遍的完井方式，在井内的套管不可避免地受到不同方式、不同程度的伤害，甚至是损坏，一般包括机械损伤和化学损伤两种。