The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.

在套损井中,由于套管变形、结垢等因素,进一步加大了卡钻的能性。

" Water flees fleas" are not insects but copepods, a crustation crustacean like lubster lobsters and crubs crabs but extremely small.

水昆虫类而桡脚类的动物，像龙虾或螃蟹那样有甲壳的，但非常小的。