CYC—100Ⅰ型转动井口

摘要

为解决以往使用偏心井口直接转动油管时，上部与下部油管不同步和转动角度不易控制等问题，介绍了一种通过蜗杆蜗轮机构转动油管的CYC—100I型转动井口。为防止反转导致油管脱扣，这种井口还设有棘轮机构，使油管只能按上扣方向转动。中原油田采油三厂9口油管偏磨井一年来的使用情况表明，使用CYC—100I型转动井口，不但油管转动灵活自如，而且易于确定转动角度，轴承、蜗杆和蜗轮等重要零件也完好无损。由于油管磨损均匀，不曾发生因油管偏磨穿孔而须检泵，平均检泵周期由原先的126天延长至256天，减少作业19井次。%When the eccentric wellhead is used the tubings in an oil well will be rotaed asynchronously adn teh rotating angle is hard to control A new wellhead wiht tubing -otating mechanism is developed The new wellhead tubing By using the new wellhead the eccentric wear of tubing is controlled effectively and the period of pump overhaul is extended distinctly