Channeling often occurs for some water injection wells of Luliang oilfield in Junggar basin because of poor cementation, which makes the production decrease greatly and the water cut increase rapidly.

• 准噶尔盆地陆梁油田部分注水井,受固井质量的影响,在注水开发过程中,易发生管外窜,导致产量递减大,含水上升快。