简易套管开窗技术在深井中的应用

Window opening technology of simple casing applied in the deep well

盐八井采用现场设计加工的简易导斜和开窗工具，根据井内情况的变化及时调整并合理运用开窗工艺措施，克服了在开窗之初即发生井下落物而造成的困难，成功地在２７５０余米的深井中磨铣出理想的窗口，取得良好的社会经济效益。

Simple decline-directing and window-opening tools are used by on-the-spot design and processing in Yan No. 8Well. Wlindow opening tech-nology is applied reasonably to get rid of the diffi-culties caused by the fallings at the primary stage of window opening. Ideal windows are successfully opened in the 2750-m well, so a good social and eco-nomical effect is acquired.