针对传统的侧钻导斜器固定方法一水泥固定、尾管支撑的缺点：施工麻烦，作业时间长，且不能在任意套管位置固定开窗侧钻，不能满足现场生产的需要，四川石油局井下作业处工具公司研制成功了新型侧钻导斜系统CYY443—146导斜封隔器及其坐封、丢手工艺管柱。该系统结构简单、组装 Aiming at the traditional fixing method of side-guide inclinator, the disadvantages of cement fixing and tail pipe support are that the construction is troublesome, the operation time is long, and the side-drilled window can not be fixed at any casing position, which can not meet the needs of on-site production. Sichuan Petroleum Administration Downhole Operations Department Tools Company successfully developed a new side-guide inclined system CYY443-146 guide inclined packer and setting, losing hand craft column. The system structure is simple, assembly