磨柱

防偏磨配套管柱工艺研究与应用

Research and application of anti-eccentrically worn string process

螺杆钻具井下磨铣管柱受力分析及改进设计

Force analysis and improvement design of downhole milling pipe string of screw drill tool

为了有效减少这种损失，研究与应用了多功能立体防偏磨配套管柱工艺，有效地减少了偏磨引起的修井作业，延长了油井的免修期，从而提高油井的生产时率。

In order to effectively reduce such losses , multifunctional stereo anti-eccentrically worn string has been developed and applied , workover operations due to eccentrically worn have been effectively reduced , the workover-free period is extended , and the production efficiency of oil wells is improved .

斜井防偏磨抽油杆柱工艺研究与应用

Research and Application of Prevention of Sucker Rod String from Deviated Friction in Deviating Wells