套筒式井眼变向器工作原理及效果分析

Principle and effect analysis of sleeve borehole defletion tool

对1986年美国专利文献介绍的一种用以纠正井眼方向的井眼变向器的结构及工作原理进行分析,并对其井眼变向效果进行计算。结果表明该工具有良好的变向效果。

Analysizing the principle and structure of borehole defletion tool introduced by American patent document of 1986, authors calulate its defletion effect which proves satisfactory.