分支井用导向筒回收送放工具设计

摘要

The principle and structure of retrievable grab are the critical tools of the multi-laterals wells. Combined with the drilling technological process, the structural features of the tool and constructed experiment on ground was discussed.%介绍了分支井钻井关键工具可回收式卡瓜的结构原理及地面模拟试验,并结合钻井工艺流程进行了该工具弹性爪和弹簧的力学分析及地面模拟试验.