In order to solve this problem, micro - step hole enlargement technology is proposed to change narrow clearance cementing to wide clea...

• 为解决该问题,提出使用微台阶扩孔技术将侧钻小井眼窄间隙固井转化为宽间隙常规固井,同时加大水泥环厚度,提高固井质量,延长侧钻井寿命。