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The results indicate the stability of deviated wells increases with deviation increment when the vertical stress is intermediate stress.
研究结果表明，当垂向应力为中间应力时，斜井的稳定性随井斜角的增大而增大。
This paper introduces thee-valuation criteria and calculation methods of passing ability of lift pump in highly deviated wells and horizontal wells.
给出了大斜度井、水平井举升泵通过性评判准则及计算方法，以电动潜油离心泵为例进行了不同狗腿度下通过性的计算。
The cutting bed remover, an effective and useful tool to dismantle cutting bed during deviated wells drilling, can break and clean cuttings hydraulically and mechanically.
岩屑床破坏器是一种有效的斜井岩屑床破坏工具，具有水力和机械双作用破坏、清除岩屑床的特点。
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