It was found that gas injection at riser base could eliminate the severe slugging and stabilize the gas and liquid flow rates at the riser outlet.

• 实验结果表明,采用上升管下部注气的方法可以消除严重段塞流现象,实现管道出口气液的稳定流动,减小系统的最高压力,同时可以防止上游水平管内出现高频率的长液塞流动。